Watt Hours to Kilowatt Hours
Convert watt hours (Wh) to kilowatt hours (kWh).


About this conversion

Convert joules (J), calories (cal), kilowatt-hours (kWh), BTU, and other energy units. Energy is the capacity to do work; the joule (J) is the SI unit (1 J = 1 N·m). Nutritional calories and electrical kWh use different reference definitions tied to joules.

This energy converter transforms values from Watt Hours (Wh) to Kilowatt Hours (kWh). Results update instantly using the exact conversion factor.

The Watt Hours (Wh) is a unit of energy in the Energy category.

The kilowatt-hour (kWh) measures electrical energy: 1 kWh = 3.6 × 10⁶ J.

Watt Hours to Kilowatt Hours Formula

1 Wh ÷ 1000 = 0.001 kWh

How to convert Watt Hours to Kilowatt Hours?

kWh = Wh ÷ 1000

To convert Wh to kWh, divide the value in Wh by 1000 (since 1 Wh = 0.001 kWh). Equivalently, multiply by 0.001. Example: 1 Wh = 1 Wh × 0.001 = 0.001 kWh.

Example: Convert 10 Wh to kWh

10 Wh = 0.01 kWh ÷ 1000 = 10 Wh

Watt Hours to Kilowatt Hours Conversion Table

Common values from Wh to kWh.

Watt Hours to Kilowatt Hours Conversion Table
Wh kWh
1 0.001
2 0.002
3 0.003
4 0.004
5 0.005
6 0.006
7 0.007
8 0.008
9 0.009
10 0.01
11 0.011
12 0.012
13 0.013
14 0.014
15 0.015
16 0.016
17 0.017
18 0.018
19 0.019
20 0.02
1 Wh 0.001 kWh
2 Wh 0.002 kWh
3 Wh 0.003 kWh
4 Wh 0.004 kWh
5 Wh 0.005 kWh
6 Wh 0.006 kWh
7 Wh 0.007 kWh
8 Wh 0.008 kWh
9 Wh 0.009 kWh
10 Wh 0.01 kWh
11 Wh 0.011 kWh
12 Wh 0.012 kWh
13 Wh 0.013 kWh
14 Wh 0.014 kWh
15 Wh 0.015 kWh
16 Wh 0.016 kWh
17 Wh 0.017 kWh
18 Wh 0.018 kWh
19 Wh 0.019 kWh
20 Wh 0.02 kWh