Tools
Watts to kWh calculator
Convert power (watts or kilowatts) and usage time into kilowatt-hours. On electricity bills in many markets, 1 unit = 1 kWh.
Estimated energy use
1 kWh
That is also 1 units, because 1 unit = 1 kWh.
Formula: kWh = (Watts × Hours × Days) / 1000. With 1,000 W × 1 h × 1 day(s).