Common Converters

Convert Watt-hours to Kilojoules

Use our accurate converter to change watt-hours into kilojoules. This tool is simple to use and works instantly.

How to Calculate

To change watt-hours to kilojoules, you just need to know the conversion factor.

Rule: 1 Watt-hours = 3.6 Kilojoules

Watt-hours to Kilojoules
Pre-defined calculator for direct watt-hours to kilojoules conversion.
Watt-hours (Wh)
0
Kilojoules (kJ)
Formula: 1 Watt-hours = 3.6 Kilojoules

Unit Information

About Watt-hours

Definition: A watt-hour is the energy used by one watt of power for one hour.

History: It is a derived unit used mostly for electricity.

Where it is used: Used to talk about how much energy a battery can hold.

Watt-hours to Kilojoules Conversion Table

Watt-hours [wh]Kilojoules [kj]
0.01 wh0.036 kj
0.1 wh0.36 kj
1 wh3.6 kj
2 wh7.2 kj
3 wh10.8 kj
5 wh18 kj
10 wh36 kj
20 wh72 kj
50 wh180 kj
100 wh360 kj
1000 wh3,600 kj

How to Convert Watt-hours to Kilojoules

Calculation: To convert watt-hours to kilojoules, multiply the value by the conversion factor (3.6).

Example: convert 15 wh to kj:
15 wh = 15 × 3.6 kj = 54 kj

Watt-hours to All Energy Units

Explore all available conversion pairs for watt-hours to other professional energy metrics.

All Unit Conversion Systems

Access our high-fidelity calculators for other measurement systems and engineering metrics.