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Kilowatt-hours to watt-hours

1 kilowatt-hour in watt-hours
1 kWh = 1,000 Wh
Wh = kWh × 1,000

To convert kilowatt-hours to watt-hours, multiply by 1,000. The table below gives the values people look up most often, and the converter works for any number.

Kilowatt-hours to watt-hours table

Common kilowatt-hour values converted to watt-hours.
Kilowatt-hours Watt-hours
1 kWh 1,000
2 kWh 2,000
3 kWh 3,000
4 kWh 4,000
5 kWh 5,000
10 kWh 10,000
15 kWh 15,000
20 kWh 20,000
25 kWh 25,000
30 kWh 30,000
40 kWh 40,000
50 kWh 50,000
75 kWh 75,000
100 kWh 100,000
250 kWh 250,000
500 kWh 500,000
1,000 kWh 1,000,000

How the conversion works

The relationship is Wh = kWh × 1,000. Both units measure energy, so the conversion is a fixed factor that never changes.

Common questions

How many watt-hours are in one kilowatt-hour?
One kilowatt-hour equals 1,000 watt-hours. Wh = kWh × 1,000.
How do you convert kilowatt-hours to watt-hours?
Use Wh = kWh × 1,000. So 10 kWh is 10,000 Wh.
How many kilowatt-hours are in one watt-hour?
One watt-hour equals 0.001 kilowatt-hours, which is the reverse of the conversion above.

Related pages

Sources

  1. Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
  2. The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
  3. Calculated on this page — At One Place

How these figures are compiled and checked