Watts to Wh calculator

Enter the power in watts (W), time period in hours (h), then press the Calculate button to get the result in watt-hours (Wh).

Watts to Wh calculation

Watt-Hours: 0

E(Wh) = P(W) × t(h)

The energy E in watt-hours (Wh) is equal to the power P in watts (W), multiplied by the time period t in hours (h).