calcuk

Science Calculators

Free science tools organised by topic. Physics, electrical engineering and energy conversion for students and professionals.

speed Physics

Speed Distance Time

Calculate speed, distance or time by entering any two values. Supports multiple units.

electrical_services Electrical Engineering

Energy Converter

Convert between joules, calories, kilowatt-hours, BTU and other energy units.

Ohm's Law Calculator

Calculate voltage, current, resistance and power using Ohm's law.

science Chemistry

More tools coming soon

Molar mass, reaction balancing, pH and more.