ucUnitCloudInternational unit matrix

Converter

Kilowatt-hour a Joule

Food calories are kilocalories. Utility bills use kilowatt-hours. Both are energy units, but in different contexts.

Unit console

Converter unidades com fórmula, contexto e precisão

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De1 kWh
Resultado3 600 000 J
Factor1 kWh = 3 600 000 J
Source basisBIPM SI Brochure · NIST Guide to SI Appendix B

Examples

011 kWh = 3 600 000 J

Example value from the reference table. Internal calculation uses stored factors; display output is rounded.

02Erro comum

Food calories are kilocalories. Utility bills use kilowatt-hours. Both are energy units, but in different contexts.

03Unidade base: J

1 kWh = 3,600,000 J. Then the value is converted through the base unit J into Joule.

Tabela

Kilowatt-hourJoule
13 600 000
1036 000 000
100360 000 000
350012 600 000 000

Fórmula

1 kWh = 3,600,000 J. Then the value is converted through the base unit J into Joule.

Fontes

BIPM SI BrochureSI base units, prefixes and official SI context.NIST Guide to SI Appendix BNIST conversion-factor method and non-SI factors.

Conversões relacionadas

Joule a Kilowatt-hourJ → kWhEnergiaKilocalorie a Kilojoulekcal → kJEnergiaKilojoule a KilocaloriekJ → kcalEnergiaBritish thermal unit a Kilowatt-hourBTU → kWhEnergia

Search and practice paths

Search and practice paths

FórmulaTabelaExamplesErro comumEveryday/engineeringExcel/CSVConversor em lotePrint view
kWhEnergy prices, kWh and technical work
Factor origin

Factors come from the stored source family and are not derived from rounded display values.

Rounding rule

UnitCloud keeps calculating with stored factors and rounds only the displayed output by selected precision.

When not to use

Do not use as the sole basis for official, medical, safety-critical or contractual decisions.

Citation

Citation note: UnitCloud, conversion with formula, sources current as of May 2026. Energia. Source basis: BIPM SI Brochure · NIST Guide to SI Appendix B.

Common questions

What is the factor for Kilowatt-hour a Joule?

1 kWh = 3 600 000 J

Which formula does Kilowatt-hour a Joule use?

1 kWh = 3,600,000 J. Then the value is converted through the base unit J into Joule.

When should I verify the result?

Do not use as the sole basis for official, medical, safety-critical or contractual decisions.