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Energy

Joules to watt hours Converter

Convert joule to watt-hour instantly.

FormulaWh = J × 0.000277777777778
Sources and methodology1 J = 0.000277777777778 Wh — exactly. exactly

Quick conversion table

joulewatt-hour
1 J0.000277777777778 Wh
10 J0.00277777777778 Wh
100 J0.0277777777778 Wh
500 J0.138888888889 Wh
1000 J0.277777777778 Wh
5000 J1.38888888889 Wh
10000 J2.77777777778 Wh
100000 J27.7777777778 Wh

Unit definitions

joule (J)

joule is a unit of Energy. In this converter it is defined against the category base unit as 1 J = 1 J.

watt-hour (Wh)

watt-hour is a unit of Energy. In this converter it is defined against the category base unit as 1 Wh = 3600 J.

Example

10 J = 0.00277777777778 Wh

Sources and methodology

Definitions: BIPM SI Brochure and NIST conversion guidance. Methodology.