Energy Converter

Convert between chemical, electrical and physical energy units.

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Related Conversions
5 J to kWh 10 J to kWh 50 J to kWh 54 J to kWh 66 J to kWh 72 J to kWh 120 J to kWh 144 J to kWh 250 J to kWh 600 J to kWh 2,500 J to kWh 5,000 J to kWh
Reverse Conversions
5 kWh to J 54 kWh to J 72 kWh to J 100 kWh to J 120 kWh to J 144 kWh to J 240 kWh to J 250 kWh to J 1,000 kWh to J 1,200 kWh to J 5,000 kWh to J 10,000 kWh to J
More Energy Conversions
1 MJ to BTU 100 J to cal 1 GJ to kWh 1 GJ to MJ 2 MJ to BTU 100 kJ to kcal 1 MJ to kWh 2 GJ to MJ 10 BTU to J 250 cal to J

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Popular Conversions

Kilowatt-Hours to Megajoules Megajoules to Kilowatt-Hours Joules to Calories Kilocalories to Kilojoules British Thermal Units to Joules Watt-Hours to Joules

Common Benchmarks

AA battery 10 kJ
Match stick 1 kJ
Slice of bread 330 kJ
Microwave 10 minutes 0.17 kWh
Boil 1 liter water 334 kJ
Cup of coffee 5 kJ

Formula

kWh = J × 2.77777778e-7

Example

Example: convert 60 joules to kilowatt-hours.

60 J = 0.00001667 kWh

Conversion table

joules (J) kilowatt-hours (kWh)
1 J 2.77777778e-7 kWh
2 J 5.55555556e-7 kWh
5 J 0.00000139 kWh
10 J 0.00000278 kWh
20 J 0.00000556 kWh
50 J 0.00001389 kWh
100 J 0.00002778 kWh

Explanation

These are both units.

How to convert joules to kilowatt-hours

  1. Start with the value in joules (J).
  2. Multiply it by 2.77777778e-7.
  3. The result is the measurement in kilowatt-hours (kWh).

Example: 60 J → 0.00001667 kWh

Frequently Asked Questions

How much is 60 joules in kilowatt-hours?

60 joules is about 0.00001667 kilowatt-hours.

What is a joule?

A joule is a unit of energy.

What is a kilowatt-hour?

A kilowatt-hour is a unit of energy.

When are joules used?

It is used when working with energy measurements.

When are kilowatt-hours used?

It is used when working with energy measurements.

Why do some conversions produce very small or very large numbers?

The result can look tiny or huge because the units are meant for very different scales. A joule is used for everyday scales, while a kilowatt-hour is used for much larger scales. That’s why 1 kilowatt-hour equals 3,600,000 joules.