Topic

Calculators

Free physics calculators that show the working.

Ohm’s Law: Calculator and Examples

Ohm’s law explained with a free calculator: V = IR, how to find voltage, current or resistance, power in circuits, worked examples and common mistakes.

2 min read

Free Fall Calculator and Formulas

Free fall explained with a calculator: time to fall, impact speed and distance fallen, the equations of motion with g = 9.81 m/s², examples and air resistance.

2 min read