How do I convert kJ to kWh?

Use the formula shown above or enter a value to see kJ converted to kWh instantly.

What is the formula for kJ to kWh?

The converter calculates kWh by applying the category-specific conversion factor for Energy.

When should I use kJ vs kWh?

kJ and kWh are both part of the Energy category; pick the unit that matches your measurement context (e.g., scale, region, or industry standard).

Energy Conversion Guide

Convert kJ to kWh

Use the live converter below to translate between Kilojoule (kJ) and Kilowatt Hour (kWh). Scroll further for quick examples, formula tips, and related units.

Formula insight: Most unit conversions use a simple multiplication or division by a conversion factor. The calculator shows the exact formula used.

Convert

kJ → kWh

Kilojoule

Kilowatt Hour

0.0003

kWh

Rounded result (4 decimals max)

Formula

1 kJ = 0.0003 kWh

Conversion sourcesTap or click to view references

The International System of Units (SI) — NIST Special Publication 330
National Institute of Standards and Technology (NIST). The SI Brochure (SP 330) is the definitive English edition of the BIPM SI tables. NIST’s edition lists the official constants and conversion factors tying inch-pound units to SI, which SwapUnits applies for length, mass, temperature, pressure, volume, and related conversions. See /standards/nist-si-tenfold for the complete decimal multiple/submultiple table. View source · View SI table

Results update as you type. Swap the direction to convert back from kWh to kJ.

Back to main converter

kJ to kWh quick table

Multiply any row by the same factor to scale results. Use the converter above to enter exact values with your own units.

Kilojoule (kJ)	Kilowatt Hour (kWh)
0.25 kJ	0.0001 kWh
0.5 kJ	0.0001 kWh
1 kJ	0.0003 kWh
2 kJ	0.0006 kWh
5 kJ	0.0014 kWh
10 kJ	0.0028 kWh
25 kJ	0.0069 kWh
100 kJ	0.0278 kWh

kWh back to kJ

Keep the reciprocal handy when double-checking calculations or undoing a conversion.

Kilowatt Hour (kWh)	Kilojoule (kJ)
0.25 kWh	900 kJ
0.5 kWh	1,800 kJ
1 kWh	3,600 kJ
2 kWh	7,200 kJ
5 kWh	18,000 kJ
10 kWh	36,000 kJ
25 kWh	90,000 kJ
100 kWh	360,000 kJ

Explore more energy conversion guide

kJ → J

Convert into Joule without leaving SwapUnits.

kJ → cal

Convert into Calorie without leaving SwapUnits.

kJ → BTU

Convert into British Thermal Unit without leaving SwapUnits.

kJ → kcal

Convert into Kilocalorie (food) without leaving SwapUnits.

Compare all energy conversion guide

View the full unit roster, charts, and tips for Energy Conversion Guide conversions.

Open category guide