تحويل

Joule to Kilowatt-hour

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

Unit console

حوّل الوحدات مع الصيغة والسياق والدقة

UnitCloud مختبر قياس محلي للحياة اليومية والهندسة وتقنية المعلومات والطاقة والتنقل والتصميم.

ما الذي تريد تحويله؟

من1 J

النتيجة0.00000028 kWh

Factor1 J = 0.0000002778 kWh

Source basisBIPM SI Brochure · NIST Guide to SI Appendix B

Examples

011,000 J = 0.00027778 kWh

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

02خطأ شائع

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

03وحدة الأساس: J

base. Then the value is converted through the base unit J into Kilowatt-hour.

جدول

Joule	Kilowatt-hour
1,000	0.00027778
1,000,000	0.27777778
3,600,000	1

الصيغة

base. Then the value is converted through the base unit J into Kilowatt-hour.

المصادر

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

تحويلات مرتبطة

Kilowatt-hour to JoulekWh → Jالطاقة Kilocalorie to Kilojoulekcal → kJالطاقة Kilojoule to KilocaloriekJ → kcalالطاقة British thermal unit to Kilowatt-hourBTU → kWhالطاقة

Search and practice paths

الصيغةجدولExamplesخطأ شائعEveryday/engineeringExcel/CSVمحول دفعيPrint 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. الطاقة. Source basis: BIPM SI Brochure · NIST Guide to SI Appendix B.

Common questions

What is the factor for Joule to Kilowatt-hour?

1 J = 0.0000002778 kWh

Which formula does Joule to Kilowatt-hour use?

base. Then the value is converted through the base unit J into Kilowatt-hour.

When should I verify the result?

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