Energy Converter

Convert between chemical, electrical and physical energy units.

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Related Conversions
5 kJ to BTU 10 kJ to BTU 35.2 kJ to BTU 38.4 kJ to BTU 51.2 kJ to BTU 64 kJ to BTU 76.8 kJ to BTU 100 kJ to BTU 128 kJ to BTU 500 kJ to BTU 2,500 kJ to BTU 100,000 kJ to BTU
Reverse Conversions
5 BTU to kJ 10 BTU to kJ 25 BTU to kJ 50 BTU to kJ 76.8 BTU to kJ 100 BTU to kJ 500 BTU to kJ 640 BTU to kJ 2,500 BTU to kJ 5,000 BTU to kJ 50,000 BTU to kJ 100,000 BTU to kJ
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

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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

Boil 1 liter water 334 kJ
AA battery 10 kJ
Phone battery 40 kJ
Laptop full charge 200 kJ
Cup of coffee 5 kJ
Slice of bread 330 kJ

Formula

BTU = kJ × 0.9478169879

Example

Example: convert 32 kilojoules to British thermal units.

32 kJ = 30.33014361 BTU

Conversion table

kilojoules (kJ) British thermal units (BTU)
1 kJ 0.94781699 BTU
2 kJ 1.89563398 BTU
5 kJ 4.73908494 BTU
10 kJ 9.47816988 BTU
20 kJ 18.95633976 BTU
50 kJ 47.3908494 BTU
100 kJ 94.78169879 BTU

Explanation

These are both units.

How to convert kilojoules to British thermal units

  1. Start with the value in kilojoules (kJ).
  2. Multiply it by 0.9478169879.
  3. The result is the measurement in British thermal units (BTU).

Example: 32 kJ → 30.33014361 BTU

Frequently Asked Questions

How much is 32 kilojoules in British thermal units?

32 kilojoules is about 30.3301 British thermal units.

How many British thermal units is 1 kilojoule?

1 kilojoule equals 0.947816987913 British thermal units.

How many kilojoules is 1 British thermal unit?

1 British thermal unit equals 1.055056 kilojoules.

What is the difference between kilojoules and British thermal units?

Both measure energy in SI. The main difference is usually scale: some units are convenient for smaller values, while others are used to express larger values more practically.

Where are kilojoules and British thermal units used?

They are used in physics and engineering to measure work, energy, and heat; the most practical unit depends on the magnitude.

Why does 1 kilojoule equal 0.947816987913 British thermal units?

Because the units are defined with a fixed relationship. To convert kilojoules to British thermal units, multiply by that factor.