Energy Converter

Convert between chemical, electrical and physical energy units.

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Related Conversions
1 J to kWh 99 J to kWh 121 J to kWh 176 J to kWh 250 J to kWh 264 J to kWh 500 J to kWh 1,000 J to kWh 1,100 J to kWh 2,500 J to kWh 25,000 J to kWh 100,000 J to kWh
Reverse Conversions
1 kWh to J 99 kWh to J 121 kWh to J 132 kWh to J 176 kWh to J 220 kWh to J 250 kWh to J 500 kWh to J 1,100 kWh to J 2,200 kWh to J 5,000 kWh to J 25,000 kWh to J
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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

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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

Slice of bread 330 kJ
Laptop full charge 200 kJ
Microwave 10 minutes 0.17 kWh
1 kWh 3.6 MJ
Boil 1 liter water 334 kJ
Match stick 1 kJ

Formula

kWh = J × 2.77777778e-7

Example

Example: convert 110 joules to kilowatt-hours.

110 J = 0.00003056 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: 110 J → 0.00003056 kWh

Frequently Asked Questions

How much is 110 joules in kilowatt-hours?

110 joules is about 0.00003056 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.