Electricity Calculator

Enter any two or three values to calculate the others. Supports power, voltage, current, energy, and time.

Electricity Tips

Formulas

P = V × I, E = P × t, t = E / P, I = P / V, V = P / I

How to Use

Enter any two or three values, leave the others blank. The calculator will solve for the missing values.

Examples

P=1000W, t=2h → E=2kWh.