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Science / Study tools

Heat & ideal gases

Calculate heat transfer or solve an ideal-gas quantity.

Free to useResults stay in this tabExamples & working

Heating or cooling

Use mass in kg, specific heat capacity in J/(kg·K) and a temperature change in °C or K.

Ideal-gas equation

Choose the unknown quantity. The calculation converts inputs to Pa, m³ and K.

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Science

Unit converter

Convert length, mass, temperature and eight more unit groups.

11 unit groups · SI conversions
Science

Motion calculator

Solve constant-acceleration questions from your known quantities.

SUVAT · signed values · multiple solutions
Science

Ohm’s law calculator

Find voltage, current, resistance and power from two values.

Six input pairs · circuit working