Question

1kwh=how much kilowatt

Answer 1

1 kwh = 3.6 mega joules
1 kwh = kw * hr

Answer 2

The energy E in kilowatt-hour (kWh) is equal to the power P in kilowatts (kW), times the time period t in hours (hr):

E(kWh) = P(kW) × t(hr)

So

kilowatt-hour = kilowatt × hour

or

kWh = kW × hr