Kilojoules to Watt Hours
Convert kilojoules (kJ) to watt hours (Wh).


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 Kilojoules (kJ) to Watt Hours (Wh). Results update instantly using the exact conversion factor.

The Kilojoules (kJ) is a unit of energy in the Energy category.

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

Kilojoules to Watt Hours Formula

1 kJ ÷ 3.6 = 0.277778 Wh

How to convert Kilojoules to Watt Hours?

Wh = kJ ÷ 3.6

To convert kJ to Wh, divide the value in kJ by 3.6 (since 1 kJ = 0.277778 Wh). Equivalently, multiply by 0.277778. Example: 1 kJ = 1 kJ × 0.277778 = 0.277778 Wh.

Example: Convert 10 kJ to Wh

10 kJ = 2.777778 Wh ÷ 3.6 = 10 kJ

Kilojoules to Watt Hours Conversion Table

Common values from kJ to Wh.

Kilojoules to Watt Hours Conversion Table
kJ Wh
1 0.2778
2 0.5556
3 0.8333
4 1.1111
5 1.3889
6 1.6667
7 1.9444
8 2.2222
9 2.5
10 2.7778
11 3.0556
12 3.3333
13 3.6111
14 3.8889
15 4.1667
16 4.4444
17 4.7222
18 5
19 5.2778
20 5.5556
1 kJ 0.2778 Wh
2 kJ 0.5556 Wh
3 kJ 0.8333 Wh
4 kJ 1.1111 Wh
5 kJ 1.3889 Wh
6 kJ 1.6667 Wh
7 kJ 1.9444 Wh
8 kJ 2.2222 Wh
9 kJ 2.5 Wh
10 kJ 2.7778 Wh
11 kJ 3.0556 Wh
12 kJ 3.3333 Wh
13 kJ 3.6111 Wh
14 kJ 3.8889 Wh
15 kJ 4.1667 Wh
16 kJ 4.4444 Wh
17 kJ 4.7222 Wh
18 kJ 5 Wh
19 kJ 5.2778 Wh
20 kJ 5.5556 Wh