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Electronics Calculators

Access our collection of handy electronics calculators. Quickly compute resistor values, LED resistors, voltage dividers, Ohm’s law calculations, and other essential circuit parameters to speed up your project planning.

Ohm’s Law Calculator

Ohm’s Law Calculator

Use this calculator to calculate the relationships between current, voltage, resistance, and power in simple...

Series Resistor Calculator

Series Resistor Calculator

Use this calculator to quickly determine the total equivalent resistance of up to ten resistors...

Parallel Resistor Calculator

Parallel Resistor Calculator

Use this calculator to quickly determine the total equivalent resistance of up to ten resistors...

Resistor Color Code Calculator

Resistor Color Code Calculator

Use this calculator to identify the value, and tolerance of a color coded resistor by...

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