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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.

Capacitance Conversion

Capacitance Conversion

Use this calculator to quickly convert capacitance values between units pF, nF, µF and F....

5-Band Resistor Color Code Calculator

5-Band Resistor Color Code Calculator

Use this calculator to identify the value, and tolerance of a 5-band color coded resistor...

Temperature Conversion

Temperature Conversion

Use this calculator to easily convert temperatures between Celsius, Fahrenheit, Kelvin, and Rankine. Celsius: °C...

Voltage Divider Calculator

Voltage Divider Calculator

Use this tool to calculate the output voltage of a resistor divider circuit for a...

Battery Life Calculator

Battery Life Calculator

This calculator offers two options—simple, and advanced—for estimating how long a battery will last before...

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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