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Formula
MJ = kWh × 3.6
Example
Example: convert 500 kilowatt-hours to megajoules.
500 kWh = 1800 MJ
Conversion table
| kilowatt-hours (kWh) | megajoules (MJ) |
|---|---|
| 1 kWh | 3.6 MJ |
| 2 kWh | 7.2 MJ |
| 5 kWh | 18 MJ |
| 10 kWh | 36 MJ |
| 20 kWh | 72 MJ |
| 50 kWh | 180 MJ |
| 100 kWh | 360 MJ |
Explanation
These are both units.
How to convert kilowatt-hours to megajoules
- Start with the value in kilowatt-hours (kWh).
- Multiply it by 3.6.
- The result is the measurement in megajoules (MJ).
Example: 500 kWh → 1800 MJ
Frequently Asked Questions
How do you convert joules to calories?
Divide joules by 4.184 to get calories.
How many joules are in 1 kWh?
1 kilowatt-hour equals 3.6 million joules.
How do you convert calories to joules?
Multiply calories by 4.184 to get joules.
What energy units can I convert here?
This converter supports joules, kilojoules, watt-hours, kilowatt-hours, calories, kilocalories, BTU, electronvolts, and more.
What is a kilowatt-hour?
A kilowatt-hour is a unit of energy commonly used for electricity usage and billing.
How many calories are in 100 joules?
100 joules equal about 23.9 small calories.
Can I convert BTU and kWh here?
Yes. This converter supports both BTU and kilowatt-hours.
Is energy conversion useful for electricity and heating?
Yes. Energy conversion is useful for power usage, food energy, physics, and heating systems.
What’s the difference between a calorie and a Calorie?
A small calorie (cal) is used in physics. A food Calorie (Cal) is a kilocalorie: 1 Cal = 1 kcal = 4,184 J.
How many BTU are in 1 kWh?
1 kWh equals about 3,412.14 BTU (IT).