Science & Engineering Calculators

Calculate voltage, current, or resistance using Ohm's Law.

Calculate electrical power from voltage and current.

Calculate voltage drop across a resistor.

Decode resistor color bands.

Calculate kinetic energy.

Calculate gravitational potential energy.

Calculate force from mass and acceleration.

Calculate density from mass and volume.

Calculate pressure from force and area.

Solve PV = nRT for any variable.

Calculate wavelength from frequency.

Calculate frequency from wavelength.

Calculate heat energy (Q = mcΔT).

Calculate torque from force and radius.