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watt hour

Wh exact

1 Wh = 3600 J exactly.

Definition

Dimension
Energy
Symbols
Wh
System
SI
Base factor
×3600
Exactness
exact

Follows from an SI or definitional identity — no material assumption.

Also known as

watt-hourwatt hourswatt-hourswh

Sources

Common conversions

for 1 Wh
joule3,600J exact
kilojoule3.6kJ exact
megajoule0.0036MJ exact
gigajoule0.0000036GJ exact
kilowatt hour0.001kWh exact
megawatt hour0.000001MWh exact
British thermal unit3.41214BTU standard definition
million British thermal units0.00000341214MMBTU standard definition
therm (US)0.0000341214therm standard definition
tonne of oil equivalent0.0000000859845toe standard definition

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© 2026 Universal Converter · v0.1 — an explanatory reference tool, not a compliance calculator. Sources over invented numbers · exact vs. estimate kept distinct.