Power in watts (W) to energy in kilowatt-hours (kWh) 计算器 and calculation formula.
输入 the power in watts, consumption 时间 period in hours and press the 计算 button:
The energy E in kilowatt-hours (kWh) is equal to the power P in watts (W),
times the 时间 period t in hours (hr) divided by 1000:
E(kWh) = P(W) × t(hr) / 1000
