kW to Wh calculator

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

kW to Wh calculation

Wh: 0

E(Wh) = 1000 x P(kW) × t(h)

The energy E in watt-hours (Wh) is equal to 1000, multiplied by the power P in kilowatts (kW), multiplied by the time period t in hours (h).