Wh to kWh converter

1 watt-hour equals 0.001 kilowatt-hours. Conversions use kWh = Wh × 0.001

Wh → 0.001 kWh

kWh = Wh × 0.001

Converter

Worked examples

1 Wh = 0.001 kWh
2 Wh = 0.002 kWh
5 Wh = 0.005 kWh
10 Wh = 0.01 kWh
100 Wh = 0.1 kWh

watt-hours to kilowatt-hours conversion table

Wh	kWh	Arithmetic
1 Wh	0.001 kWh	× 0.001
2 Wh	0.002 kWh	× 0.001
3 Wh	0.003 kWh	× 0.001
4 Wh	0.004 kWh	× 0.001
5 Wh	0.005 kWh	× 0.001
6 Wh	0.006 kWh	× 0.001
8 Wh	0.008 kWh	× 0.001
10 Wh	0.01 kWh	× 0.001
12 Wh	0.012 kWh	× 0.001
15 Wh	0.015 kWh	× 0.001
20 Wh	0.02 kWh	× 0.001
25 Wh	0.025 kWh	× 0.001
30 Wh	0.03 kWh	× 0.001
40 Wh	0.04 kWh	× 0.001
50 Wh	0.05 kWh	× 0.001
60 Wh	0.06 kWh	× 0.001
70 Wh	0.07 kWh	× 0.001
80 Wh	0.08 kWh	× 0.001
90 Wh	0.09 kWh	× 0.001
100 Wh	0.1 kWh	× 0.001

How to convert Wh to kWh

Take your value in watt-hours.
Multiply by 0.001
That is your answer in kilowatt-hours — no rounding needed until you choose a display precision.

Related conversions

kWh to Wh J to kWh kJ to kWh cal to kWh kcal to kWh Wh to J Wh to kJ Wh to cal Wh to kcal all energy units

Questions

How many kilowatt-hours in 1 watt-hour?

Exactly 0.001 kWh. The factor follows from the definitions of both units, not from a measurement, so it is exact.

How do I convert Wh to kWh?

Multiply the watt-hours figure by 0.001 — or use the converter above, which updates as you type.

Is Wh to kWh the same as kWh to Wh?

No — they are inverses. One Wh is 0.001 kWh, while one kWh is 1,000 Wh.

What is 1 Wh in kWh?

1 Wh = 0.001 kWh (see the value page for the full arithmetic).