Ohm's Law Calculator
Calculate voltage, current, resistance, or power
Ohm's Law Calculator
Enter your details below and get instant results
Ohm's Law Calculator
Use Ohm's Law to calculate any missing value. Enter any two of Voltage (V), Current (I), Resistance (R), or Power (P) to calculate the others.
How to Use
- Enter any two known values
- Leave the other two blank
- Click Calculate to find the missing values
Formula
V = IR | P = VI | P = I┬▓R | P = V┬▓/R
Related Tools
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin
Gravity Calculator
Calculate gravitational force between two objects
Speed Converter
Convert between km/h, mph, knots, and more
Acceleration Calculator
Calculate acceleration, initial/final velocity, or distance