•   Forecasting Model (Decomposition-Based) forecast

  Create forecasts from choices for level, trend, seasonality, and random variation.

•   Forecast Future Values of an Asset based on Volatility and Drift forecast_fv

  Forecast future values of an asset using Monte Carlo simulation. Predicts price series based on starting price, periods, volatility, and drift.

•   Volatility and Drift from Historical Values volatility

  Calculate volatility and drift from historical values. Estimate future movements.

•   Optimization: Linear Programming linprog

  Solve a linear programming problem by selecting an objective, defining decision variables, and applying linear constraints.

•   Optimization: Nonlinear Programming nonlinprog

  Solve a nonlinear optimization problem by selecting an objective, defining decision variables, and applying nonlinear constraints.

•   Optimization: Assignment optima_assignment

  Assign tasks to agents at minimum total cost under capacity constraints. Use this for worker-task assignment, machine-job assignment, and ticket routing problems.

•   Optimization: Capacity optima_capacity

  Allocate limited capacity to required demand while minimizing cost and shortage penalties. Use this for capacity planning, staffing plans, and shortfall-penalty balancing problems.

•   Optimization: Knapsack optima_knapsack

  Maximize value under a capacity limit with binary or integer item decisions. Use this for budget selection, portfolio picking, and constrained mix-selection problems.

•   Optimization: Placement optima_placement

  Assign entities to locations with a blended score and cost objective under location capacity limits. Use this for slotting, host-placement, and entity-to-site assignment problems.

•   Optimization: Redundancy optima_redundancy

  Select backup pairings with minimum extra cost while meeting optional average coverage targets. Use this for backup design, failover planning, and resilience-cost optimization problems.

•   Optimization: Routing optima_routing

  Find minimum-cost flow from a source node to a target node over constrained edges. Use this for network pathing, lane selection, and constrained transfer-flow problems.

•   Monte Carlo Simulation monte_carlo

  Repeat a calculation many times while sampling a variable from a probability distribution, then chart the resulting distribution of outcomes

•   Monte Carlo Simulation 2 monte_carlo2

  Repeat a calculation while sampling multiple variables independently, with an optional correlated pair

•   What-If Scenario Comparison compare

  Evaluate an expression for multiple input scenarios, then compare the resulting values in a table and grouped bar chart

•   Redo Calculation redo

  Calculate and display values based on a mathematical expression with variable input. Customize result and chart display.

•   Scenario Analysis (Result Postprocessor) scenario

  Postprocess scenario results using delta, rank, filter, or weighted score analysis modes

•   Optimization: Facility Location - Facility to Customer facility_opt

  Calculate the optimal facility locations for customers based on various constraints and criteria. Optimize costs and distances.

•   Optimization: Transportation optima_transport

  Minimize total shipping cost from sources to destinations under supply and demand constraints. Use this for distribution, replenishment, and source-to-demand allocation problems.

•   Source Destination Mesh sd_mesh

  Calculate source to destination mesh connections with customizable labels. Visualize the network for analysis.

•   Source Transit Destination Mesh std_mesh

  Calculate and visualize connections between sources, transits, and destinations in a mesh network. Customize labels and edge styles.

•   Optimization: Transportation - Plant to Customer transport_opt

  Optimize transportation from plant to customer with cost analysis for efficient delivery. Plan routes for maximum efficiency and cost savings.

•   Optimization: Transshipment - Plant -> Distribution Center -> Customer transship_opt

  Optimize the flow from Plant to Customer through Distribution Center. Visualize the network and solution.

•   Break-Even Analysis break_even

  Calculate break-even quantity and revenue, contribution margin, target-profit requirements, and profit at a selected sales volume.

•   Buy vs Rent buy_rent

  Compare the present-value cost of buying an asset with renting it over the same period, including ownership costs, rent escalation, residual value and opportunity cost.

•   Make vs Buy Analysis make_buy

  Compare the full and relevant costs of making a product or service internally versus buying it externally, and determine the break-even quantity.

•   Optimization: Project Portfolio optima_project

  Select projects to maximize portfolio value under optional budget, resource, and relation constraints. Use this for project intake, capex planning, and constrained portfolio selection problems.

•   Project Ranking based on Cashflows prjrank

  Calculate project ranking based on cashflow analysis using discount rate and cashflow intervals. Determine if projects are good, bad, or the best option.

•   Working Capital & Cash Conversion Cycle working_capital

  Calculate DSO, DIO, DPO, Cash Conversion Cycle and operating working capital, and estimate additional financing caused by changes in customer and supplier payment terms.

•   Calculate Inventory Level invlevel

  Calculate Inventory Level: Determine stock levels based on demand, reorder points, and lead times. Plan orders efficiently for optimal inventory management.

•   Calculate Purchase Cost purcost

  Calculate the total cost of purchasing items based on various factors like demand, transaction cost, and order quantity. Optimize your order quantity for cost efficiency.

•   Planning: S&OP Optimization optima_sop

  Optimize a multi-period production and inventory plan from demand, product economics, and capacity data. The model can minimize cost, maximize service level, or minimize inventory. Optional overtime and procurement companion modules can be enabled for modular planning workflows.

•   Economic Order Quantity (EOQ) and Total Cost eoq

  Calculate the Economic Order Quantity and Total Cost for efficient inventory management. Find order interval, material, inventory, transaction, and operational costs.

•   Minimum Order Quantity (MOQ) Impact moq

  Compare the Economic Order Quantity (EOQ) against a supplier-imposed Minimum Order Quantity (MOQ) and quantify the extra inventory and cost caused when the MOQ forces an order larger than the economically optimal quantity.

•   Optimization: Supplier Selection optima_supplier_selection

  Minimize procurement cost with supplier capacities, optional budget, and risk/quality controls. Use this for sourcing decisions, vendor mix planning, and cost-risk-quality trade-off problems.

•   Supplier Discount Analysis supdisc

  Compare all-units supplier quantity-discount tiers, including purchase, ordering, and inventory carrying cost, and identify the tier and order quantity with the lowest annual cost.

•   Total Cost of Ownership (TCO) Comparison tco

  Compare the total cost of ownership of two or more suppliers (or alternatives) side by side across the standard cost categories - purchase, freight, installation, operating, maintenance, financing, disposal and residual value - discounted over an analysis period, with optional annual cost escalation. Leave any irrelevant cost row as zero.

•   Downtime Loss Calculator downtime_loss

  Estimate production and contribution-margin losses from planned and unplanned downtime.

•   Optimization: Raw Material Mix optima_blending

  Minimize total blend cost while meeting batch-size and property specifications with optional min/max bounds per material. Use this for feed formulation, food blending, chemicals, alloys, fuels, and fertilizer mixes.

•   Optimization: Production and Inventory Planning optima_production_inventory

  Minimize total production, holding, setup, and optional backlog cost across multiple periods. Use this for finite-capacity production planning and inventory balance decisions.

•   Optimization: Workforce Shift Scheduling optima_workforce

  Assign workers to shifts at minimum labor cost with max-shift limits and optional skill matching. Optionally allow shortages with penalty to keep the problem feasible under tight staffing.

•   Optimization: Optimal Overtime Level optimal_overtime

  Find overtime hours that minimize total production-related cost with overtime efficiency deterioration and shortfall penalty.

•   Optimization: Production Mix Profitability production_mix_profit

  Optimize product quantities to maximize monthly contribution profit subject to machine time, labor time, demand, and ramp-change constraints.

•   Optimization: Sales Discount discount_opt

  Find the discount that maximizes profit using a saturating conversion response, with capacity and margin-floor constraints.

•   Pricing and Margin Calculator pricing_margin

  Calculate profit, gross margin, markup, target pricing, discounted pricing, break-even price, and profit at quantity.

•   Estimate Brick, Cement and Sand for Brickwork brickwork

  Estimate materials and labor for brickwork. Calculate bricks, cement, sand, and labor needed for a project.

•   Estimate Gravel, Cement and Sand for Plain Cement Concrete work ccwork

  Estimate materials and labor required for concrete work based on dimensions and ratios. Calculate cement, sand, gravel, and labor needs.

•   Estimate Cement and Sand for Plaster work plaster

  Estimate Cement and Sand for Plaster work with ease. Get accurate quantities for your project quickly. Save time and resources.

•   RCC Column Material Requirement rcc_column_materials

  Estimate reinforcement steel, concrete, sand and khoa for an RCC column. Concrete is based on a 1:1.5:3 nominal mix with a dry-volume factor of 1.54. Longitudinal bars and stirrups are included in the steel quantity. Nominal concrete cover is 40 mm and each stirrup includes 10 bar diameters for each hook.

•   Irregular Land Area, Coordinates Known irg_land

  Calculate irregular land area with known coordinates, perimeter, and edge length. Visualize land shape with a chart.

•   Irregular Land Area by Triangulation irg_land2

  Calculate irregular land area using triangulation method with flexible units and parameters. Get accurate results with this calculator.

•   Irregular Land Area from Image irg_landimg

  Calculate the irregular land area from an image in pixel units. Get image size and land area percentage.

•   Rectangular Land Area rectland

  Calculate the area of a rectangular land by providing its length and width. Get accurate results in your preferred unit of measurement.

•   Amortization Schedule Calculation amort

  Calculate your loan payment schedule with total interest and principal payments. Visualize your payment journey with an interactive chart.

•   Interest for Periodic Balance ipbal

  Calculate interest for periodic balance using given rates and initial balance.

•   Loan Prepayment Savings loan_prepay

  Estimate the interest and payoff time saved by adding an extra amount to every monthly payment.

•   Real Return After Inflation and Tax real_return

  Calculate the investment return after tax and inflation, and compare nominal, after-tax and real returns.

•   Retirement Withdrawal Sustainability retirement_sustainability

  Estimate whether a retirement portfolio can sustain inflation-adjusted withdrawals at a selected interval, using compound periodic returns, tax on investment gains, and start-of-period or end-of-period withdrawal timing.

Estimate air-conditioner energy use and electricity cost from rated power, daily use, average operating load, and an effective electricity rate.

Make delicious apple pie with this recipe. Adjust servings to get the right amount of ingredients. Enjoy baking!

Estimate the cost of gold jewelry including VAT and making charge.

Calculate the price of a bond based on face value, coupon rate, interest rate, and duration. Bond Pricing tool for financial analysis.

Calculate the compound interest rate without periodic payment for a given present and future value over a specified duration.

Calculate compound interest rate conversion for different time periods. Convert annual interest rate to specified time unit.

Calculate compound interest rate with periodic payment, given initial and final values, duration, payment amount, interval, and tolerance.

The Debt Paydown vs Investment calculator helps you compare two ways of using available cash: Pay down debt and Invest the cash

Finance Calculator Helper

Calculate the future value of a principal amount with periodic payments based on interest rate and duration. Plan your investments wisely.

Calculate periodic payment for a future cash value based on interest rate and number of periods. Get payment amount and total payment.

Calculate Modified Internal Rate of Return (IRRM) for given cashflows, finance rate, and reinvestment rate. Get both periodic and annual interest rates.

Calculate the Internal Rate of Return (IRR) for a series of cashflows. Get periodic and annual interest rates.

Calculate periodic payment for a loan based on loan amount, interest rate, and number of periods. Get payment amount and total payment.

Net Future Value (NFV) of Cashflows

Calculate the number of periodic payments needed based on initial, future values, interest rate, and payment intervals.

Calculate the Net Present Value (NPV) of future cashflows based on an interest rate.

Portfolio Optimization function calculates the optimal weights for a portfolio to achieve a target return. It uses historical data to allocate investments efficiently.

Calculate the periodic payment and cash flow for a financial scenario. Determine the amount to be paid or received at regular intervals.

Calculate the present value of future cash and periodic payment based on specified parameters. Get accurate financial insights.

•   Area Chart area_chart

  Area Chart

•   Simple Bar Chart bar_chart

  Create a simple bar chart showing month wise temperature. Visualize data with ease.

•   Simple Box Chart box_chart

  Simple Box Chart

•   Bubble Chart bubble_chart

  Bubble Chart

•   Chord Diagram chord_diagram

  Chord Diagram

•   3D Contour Chart contour3d_chart

  3D Contour Chart

•   Dendrogram Chart dendrogram_chart

  Dendrogram Chart

•   Error Bar Chart errorbar_chart

  Error Bar Chart

•   Feasible Region Chart feasible_chart

  Feasible Region Chart

•   Plot Multiple Equations fx2

  Plot Multiple Equations

•   Gantt Chart gantt_chart

  Gantt Chart

•   Simple Heatmap Chart heatmap_chart

  Simple Heatmap Chart

•   Simple Histogram histogram

  A simple histogram calculator to visualize the frequency distribution of values. Customize bins, labels, and title.

•   Simple Double Line Chart line2_chart

  A versatile calculator displaying a double line chart comparing two sets of values. Visualize data effortlessly.

•   3D Line Chart line3d_chart

  A versatile tool to create a 3D line chart with customizable labels and values. Visualize data in a clear and interactive way.

•   Simple Line Chart line_chart

  Create a simple line chart to visualize data with x and y values. Customize labels and title for easy interpretation.

•   Simple Network Diagram or 2D Mesh mesh

  Calculate network diagram with mesh nodes and edges, displaying title and edge labels.

•   3D Mesh Plot mesh3d_chart

  3D Mesh Plot

•   Parametric Equation pareq

  Generate parametric equations graphically with this calculator. Customize variables, constants, and labels easily.

•   Simple Pareto Chart pareto_chart

  Create a Pareto chart to visualize data distribution by month. Display counts with a customizable title.

•   Simple Pie Chart based on Tabular Data pie2_chart

  Create a pie chart to visualize tabular data on month-wise temperature. Customize labels and values with percentage and shadow options.

•   Simple Pie Chart pie_chart

  Create a pie chart to visualize data with labels and values. Customize appearance with options like percentage display and shadows.

•   Polar Chart polar_chart

  Polar Chart

•   QQ Plot qqplot_chart

  QQ Plot

•   Quadrant Chart quadrant_chart

  A versatile tool to visually represent data points in four categories on a chart. Find your data trends easily.

•   Simple Radar Chart radar_chart

  Simple Radar Chart

•   Sankey Diagram sankey_chart

  Sankey Diagram

•   3D Scatter Chart scatter3d_chart

  3D Scatter Chart

•   Simple Scatter Chart scatter_chart

  A simple scatter chart calculator to visualize data points in a graph. Customize x and y values with labels and titles.

•   Simple Stack Chart stack_chart

  Simple Stack Chart

•   Streamgraph streamgraph

  Streamgraph

•   3D Surface Chart surface3d_chart

  A calculator function that creates a 3D surface chart based on given values and expressions. Visualize data in a 3D space efficiently.

•   3D Surface Chart with Error surface3d_error_chart

  3D Surface Chart with Error

•   3D Surface Contour Chart surface_contour3d_chart

  3D Surface Contour Chart

•   Simple Violin Chart violin_chart

  Simple Violin Chart

•   Waterfall Chart waterfall_chart

  Waterfall Chart

•   CSV Editor csv_editor

  A versatile tool for editing CSV files with options to load, edit, and save data. Ideal for managing data efficiently.

•   CSV Reader csv_reader

  This calculator function reads and processes CSV data for easy viewing in a table.

•   File Reader file_reader

  This calculator function reads and retrieves information from a file or URL.

•   HTML Reader html_reader

  This calculator function removes all tags from HTML content to display plain text. Convert HTML to clear text easily.

•   Mark Down File Reader md_reader

  This calculator function reads and converts markdown files, text, or URLs into HTML format.

•   Show a Geographic Location geo_location

  Show a Geographic Location

•   Distance between Two Locations on Earth map_distance

  Calculate the distance between two locations on Earth. Get the distance in any unit you prefer, with an option to show the map.

•   Show Geographic Region map_region

  Discover the geographic region based on central coordinates and extent. Visualize the area on a map with specified resolution.

•   List to String list2string

  List to String

•   String to List string2list

  String to List

•   English Synonym of an Word synonym

  This calculator finds the synonym of a given word. Discover alternative words easily.

•   Text Formatting textcase

  Format text in various styles like title case, sentence case, lower case, upper case, camel case, or remove punctuations.

•   User Memory mem

  User Memory function helps store and retrieve values for calculations. Customize storage size and clear memory option available.

•   Create My Calculator mycal

  Create My Calculator

•   Read My Calculator cache mytree

  Read My Calculator cache

•   Process Information pinfo

  Process Information

•   User Preferences pref

  Customize calculator settings such as decimal formatting, chart appearance, and search options with qCalc Settings. Save preferences easily.

•   Share by Email share_by_email

  Share by Email

•   Your Temporary Data temp

  This calculator function helps manage temporary files. It can clear them and display their details efficiently.

•   Output Collection collect

  Combine and calculate the values from multiple inputs. Get the result, errors, and count.

•   Calculate Cost cost

  Calculate the cost of items with this flexible unit calculator. Get itemized costs and a visual chart easily.

•   Calculate y=f(x) fx

  Calculate y=f(x) with given function and variable range. Output in CSV, Table, or Chart format for analysis.

•   Quantities within a Given Range and Increment qrange

  Generate quantities within a specified range and increment, with flexible units and rounding options. Display results in a table and chart.

•   Schedule of Rates rates

  Calculate unit costs for items in a price schedule. Get accurate prices per unit for items like brick, sand, and cement.

•   Search Catalog search

  Search Catalog

•   Calculate Trans trans

  Calculate Trans function transfers data from a source to a destination field.

•   Values within a Given Range and Step vrange

  Values within a Given Range and Step

•   Function Execution Time xtime

  Calculate the total and average execution time of a function. Measure the time taken for a specific number of runs.

Convert Date Time Around the World

This calculator function displays the code for calculating various values.

Calculate Color Profile

Easily convert and express values between different units. Get cost calculations as well.

Convert values from one unit to another, with cost calculation. Input value, units, and get converted and expressed values.

Convert between different units of length, wavelength, and other quantities. Calculate costs for unit conversions.

Convert any amount from one currency to another with this Simple Currency Converter. Get accurate rates instantly.

Calculate exchanged currency amount with fees, rates, and differences. Buy and sell in different currencies.

Evaluate simple expressions and calculations with this flexible calculator. Get results and console output easily.

Use this linear interpolation calculator to find a value between known data points. Get accurate results and visual representation.

Calculate function details such as arguments, annotations, and information for a flexible unit system.

Calculate your age accurately from your date of birth.

Calculate Body Mass Index using provided weight and height measurements. Calculate BMI and return the result.

Calculate Basal Metabolic Rate (BMR) based on weight, height, age, and gender for daily calorie needs.

Calculate body fat percentage using skinfold measurements for accurate and personalized results. Get average, max, min, and standard deviation.

Calculate body fat percentage using weight, height, age, and gender. Get accurate results based on BMI and US Navy methods.

Calculate your daily calorie needs based on your age, gender, height, weight, activity level, and body fat percentage. Get personalized calorie recommendations for weight maintenance or various levels of weight loss.

Calculate Creatinine Clearance based on age, weight, serum creatinine level, and sex. Adjusts for sex differences.

Assess your heart condition based on health parameters. High blood pressure, sugar, or cholesterol levels may indicate risk.

Calculate your target heart rate based on your age, resting heart rate, and training intensity. Keep your heart healthy and stay fit.

Calculate your daily water intake based on your weight. Stay hydrated!

Use the Zung Self-Rating Depression Calculator to determine your anxiety level. Get results ranging from normal to extreme anxiety.

Convert your image to grayscale or black & white effortlessly with this tool. Perfect for adjusting image tones.

Use this tool to read image details including format, size, and exif tags. Perfect for analyzing image properties.

Easily remove the background from an image with this online tool. Convert your image with just a click.

Resize an image with flexible options for width, height, and aspect ratio. Convert and display original and converted image sizes.

Rotate an image by a specified angle. Convert and save the rotated image in PNG format.

Upscale your image to a higher resolution with fast and accurate results. Choose from different options for enhanced quality.

•   Broken Link Checker broken_links

  Check a website for broken links and display the number of broken links found.

•   Keyword Extractor keywords

  Use this Keyword Extractor to find the most relevant keywords in your text. Get a list of top keywords based on relevancy.

•   Measure Page Size of Web Pages pgsize

  Measure the size of web pages and assets. Analyze page load time. Get insights for website optimization.

•   Measure SEO Score of a web page seo_score

  Measure SEO Score of a web page by analyzing page elements like titles, headings, paragraphs, meta tags, images, links, and keyword density. Get detailed insights and recommendations for optimizing your web page.

•   Generate Word Cloud word_cloud

  Generate a stunning word cloud from your text or URL with this tool. Visualize word frequency beautifully!

•   Word Frequency Analysis word_freq

  This calculator analyzes word frequency in a text or URL, showing top words and their occurrence percentages.

•   Extract all URLs from a Webpage xurls

  Extract all URLs from a webpage and provide counts and lists of internal and external URLs.

•   Calculate Area, Circumference, Diameter and Radius of a Circle circle

  Calculate the Area, Circumference, Diameter, and Radius of a Circle using a single parameter. Flexible unit usage.

•   Calculate Area of a Quadrilateral quadlat

  Calculate the area of a quadrilateral using sides, angles, or height. Get accurate results in your preferred units.

•   Calculate Area of a Triangle triangle

  Calculate the area, sides, and angles of a triangle with this versatile calculator. Perfect for geometry enthusiasts.

•   Matrix Binary Operations bmatrix

  Perform matrix binary operations like addition, subtraction, multiplication, division, or using custom expressions. Get accurate results easily.

•   Matrix Unary Operations umatrix

  Perform various operations on a matrix such as sum, transpose, determinant, or custom expression. Flexible and efficient matrix calculator.

•   Correlation and Covariance corr

  Calculate correlation coefficient, covariance, and regression line for given data. Find Pearson, Kendall, and Spearman correlation.

•   Normal Distribution Curve normal

  Calculate the Normal Distribution Curve with mean and standard deviation. Visualize data spread efficiently.

•   Basic Statistics stat

  Calculate various statistical measures like mean, median, mode, and standard deviation. Also supports weighted calculations.

Solve linear equations with N unknowns in a flexible way. Find solutions effortlessly.

Solve linear equations with 2 unknowns. Enter expressions and values to find the unknowns.

Calculate permutations of a list of values. Enter values and specify the number of items to permute. Display all permutations generated.

Calculate the sine of an angle. Convert the angle to radians and return its sine value.

• Curves (8)
  •   Butterfly Curve butterfly

    Explore the mesmerizing Butterfly Curve with this calculator. Visualize the elegant mathematical pattern it creates.

  •   Hypotrochoid Curve 1 hypo1

    Explore the beautiful shape of a Hypotrochoid Curve with this calculator. Find the curve with fixed, inner radii, and distance parameters.

  •   Hypotrochoid Curve 2 hypo2

    Calculate the Hypotrochoid Curve 2 with given parameters. Create intricate geometric patterns effortlessly.

  •   Hypotrochoid Curve 3 hypo3

    Create a Hypotrochoid Curve using specified parameters - Fixed radius, Inner radius, and Distance.

  •   Hypotrochoid Curve 4 hypo4

    Calculate the Hypotrochoid Curve 4 with given parameters. Create intricate geometric patterns effortlessly.

  •   Hypotrochoid Curve 5 hypo5

    Calculate the Hypotrochoid Curve 5 with given parameters for Fixed radius, Inner radius, and Distance.

  •   Lissajous Curve lissa

    Explore the mesmerizing Lissajous Curve with customizable parameters. Visualize intricate patterns in an interactive chart.

  •   Spiral Curve spiral

    Create a beautiful spiral curve with adjustable parameters for visualization. Explore different shapes and patterns effortlessly.

•   Generate ASCII art from an image img2asc

  Convert an image into ASCII art with a customizable width parameter.

•   Calculates the Steps to reach Kaprekar's constant (6174) kaprekar_steps

  Calculates the Steps to reach Kaprekar's constant (6174)

•   Calculate Profile of an Integer Number number_profile

  Calculate Profile of an Integer Number

Aspect Ratio Calculator for images or videos. Simply input width and height to get the correct aspect ratio.

Calculate depth of field based on aperture, focal length, distance to subject, and image sensor size. Get near point, far point, and depth of field.

Calculate the equivalent focal length by multiplying the focal length with the crop factor.

Calculate Exposure Value based on aperture, shutter speed, and ISO settings.

Calculate the field of view using sensor size and focal length. Get the result in degrees.

Golden and Magic Hours are the best time of day to photograph. The golden hour typically lasts about one hour after sunrise and one hour before sunset, and the magic hour is roughly one hour before sunrise and one hour after sunset.

Calculate hyperfocal distance using focal length, aperture, and image sensor size.

Calculate the print size of an image based on its dimensions and DPI. Get the width and height of the print in inches.

Calculate image resolution in megapixels based on width and height. Easy tool for photographers and designers.

Calculate storage requirement for storing a certain number of images with specified dimensions and bit depth.

Calculate Shutter Speed: Determine the shutter speed based on focal length and crop factor.

•   Coversion of Coordinates coord

  Coversion of Coordinates

•   Calculate Julian Day Number jday

  Calculate Julian Day Number: Counting days since January 1, 4713 BC. Get the Julian Day Number for any date.

•   Calculate Moonphase on a Date moonphase

  Calculate the phase of the moon on a specific date based on lunar cycles. Find out if it's New, Full, or in between.

•   Calculate Sunrise and Sunset Time sunrise

  Calculate sunrise and sunset time, day length, and night length based on location and date.

•   Periodic Element Information element

  Explore the properties of any element with this periodic table calculator. Find atomic number, mass, melting point, and more.

•   Calculate molecular mass and composition of an element molecule

  Calculate molecular mass and composition of an element. Get the Hill and Empirical notation, average, nominal, and isotopic mass, atoms, charge, and composition of a molecule.

•   Einstein's Theory of Special relativity emc2

  Calculate energy and mass conversion using Einstein's Theory of Special relativity. Convert mass to energy and vice versa.

•   Compressed Gas Flow Duration gas_flow

  Calculate the usage volume and duration of compressed gas flow based on cylinder and usage pressures, and gas flow rate.

•   Gas Law - General Gas Equation gas_law

  Calculate Pressure, Volume, Amount of Substance, and Temperature of an Ideal Gas using the General Gas Equation. Enter any THREE parameters to calculate the FOURTH one.

•   Calculate Gravitational Force between Two Masses gravitational_force

  Calculate Gravitational Force between Two Masses

•   Calculate the Dew Point based on Temperature and Humidity dew_point

  Calculate the Dew Point based on Temperature and Humidity

•   Calculate the Heat Index based on Temperature and Humidity heat_index

  Calculate the Heat Index based on Temperature and Humidity

•   Calculate Visibility Distance using Koschmieder Law visibility

  Calculate Visibility Distance using Koschmieder Law

•   Get Weather Information of a Location weather

  Get Weather Information of a Location

•   Wind Chill Calculator wind_chill

  Wind Chill Calculator