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Kilojoule to Watt-hour (kJWh)

Convert kilojoule to watt-hour instantly. The conversion factor below is exact by international definition.

Realtime·energy·SI
Exact
kJ
× 0.2778
Wh
0.277778
Precision [auto]
6

📐kJ to Wh formulaExact

Wh = kJ × 0.277777777778
Inverse: kJ = Wh × 3.6

Worked example: 1 kJ = 0.277777777778 Wh

ℹ️About these units

Kilojoule (kJ)
Food energy labels in many countries.
Watt-hour (Wh)

📊Reference table: kJWh

Kilojoule (kJ)Watt-hour (Wh)
10.277778
20.555556
51.3889
102.7778
154.1667
205.5556
256.9444
5013.8889
10027.7778
25069.4444
500138.8889
750208.3333
1,000277.7778

Want a downloadable CSV? Append ?format=csv to the API /api/v1/table endpoint.

🔁Reverse & related

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