ucUnitCloudInternational unit matrix

Omrekenen

Kilowatt-hour to Joule

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

Unit console

Eenheden omrekenen met formule, context en precisie

UnitCloud is een lokaal meetlaboratorium voor dagelijks werk, techniek, IT, energie, mobiliteit en ontwerp.

Van1 kWh
Resultaat3.600.000 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.

02Veelgemaakte fout

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

03Basiseenheid: J

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

Tabel

Kilowatt-hourJoule
13.600.000
1036.000.000
100360.000.000
3.50012.600.000.000

Formule

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

Bronnen

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

Gerelateerde omzettingen

Joule to Kilowatt-hourJ → kWhEnergieKilocalorie to Kilojoulekcal → kJEnergieKilojoule to KilocaloriekJ → kcalEnergieBritish thermal unit to Kilowatt-hourBTU → kWhEnergie

Search and practice paths

Search and practice paths

FormuleTabelExamplesVeelgemaakte foutEveryday/engineeringExcel/CSVBatchconverterPrint 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. Energie. Source basis: BIPM SI Brochure · NIST Guide to SI Appendix B.

Common questions

What is the factor for Kilowatt-hour to Joule?

1 kWh = 3.600.000 J

Which formula does Kilowatt-hour to 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.