CALCULATORS & CONVERTERS

Science & Lab

Explore physical quantities, motion, circuits, waves and chemical formula units with explicit units and model assumptions.

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A tool can belong to several categories. All tools lists each calculator once.

Chemistry

Mole Calculator

Learning & Education · Science & Lab

Enter a chemical formula and mass or amount of substance. Find molar mass, moles and particle count with an element-by-element breakdown.

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Dilution Calculator

Science & Lab · Learning & Education

Calculate the stock quantity needed for a target concentration and final batch size. Choose a concentration basis and see dilution factors, steps and batch-size comparisons.

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Mathematics

Statistics Calculator

Learning & Education · Science & Lab

Enter a list of numbers to calculate mean, median, modes, quartiles, population and sample standard deviation, with a frequency histogram.

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Physics

Constant Acceleration Calculator

Learning & Education · Science & Lab

Enter initial velocity, constant acceleration and time. Find final velocity, signed displacement and total distance, with position and velocity graphs.

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Density Calculator

Learning & Education · Science & Lab

Find density, mass or volume from the other two values. Choose international and regional units and inspect the formula and unit-conversion tables.

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Ohm’s Law Calculator

Learning & Education · Science & Lab

Enter two electrical quantities to find voltage, current, resistance and power for an ideal DC resistor. Follow the equations and current–voltage graph.

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Wave Calculator

Learning & Education · Science & Lab

Calculate wave speed, frequency or wavelength from the other two. Convert units, find the period and view an illustrative normalized wave.

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