Conversion Calculators

Mouser's online conversion calculators offer a one-stop resource for many electronics industry calculations.
4-band resistors in a circuit board

Resistor Colour Code Calculator

This resistor colour code calculator is designed to find the resistance and tolerance values of through-hole resistors.
Engineer testing an electrical current

Ohm's Law Calculator

This Ohm's law calculator is used to calculate power, current, voltage or resistance.