Watts to Joules calculator

Enter the power in watts (W), time period in seconds (s), then press the Calculate button to get the result in joules (J).

Watts to Joules calculation

J: 0

E(J) = P(W) × t(s)

The energy E in joules (J) is equal to the power P in watts (W), multiplied by the time period t in seconds (s).