Kilowatt-hours to Joules (kWh to J) Converter

Convert kilowatt-hours to joules instantly. Use our live calculator, see the exact conversion formula, view the step-by-step lookup table, and review practical examples.

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Energy Converter

COMMON CONVERSIONS
1 Kilocalorie=4184 Joule
1 Kilowatt-hour=3600000 Joule
1 BTU=1055.06 Joule
1 Kilojoule=0.2390057361 Kilocalorie
EXACT CONVERSION FORMULA
Joules (J) = Kilowatt-hours (kWh) ร— 3,600,000

1 kWh equals 3.6 million joules (3,600 seconds ร— 1,000 watts).

Kilowatt-hours to Joules Conversion Table

Quick reference lookup table for converting common values from kilowatt-hours to joules:

Kilowatt-hours (kWh)Joules (J)
0.001 kWh3600 J
0.01 kWh36000 J
0.1 kWh360000 J
0.5 kWh1800000 J
1 kWh3600000 J
2 kWh7200000 J
5 kWh18000000 J
10 kWh36000000 J
50 kWh180000000 J
100 kWh360000000 J

Practical Examples

1 kWh = 3,600,000 J
Standard electricity billing unit

Frequently Asked Questions

How many joules is 1 kWh?

1 kilowatt-hour equals exactly 3,600,000 joules (3.6 MJ).