Energy Converter

Convert between chemical, electrical and physical energy units.

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Related Conversions
1 kJ to BTU 5 kJ to BTU 80 kJ to BTU 90 kJ to BTU 120 kJ to BTU 200 kJ to BTU 250 kJ to BTU 500 kJ to BTU 2,000 kJ to BTU 5,000 kJ to BTU 50,000 kJ to BTU 100,000 kJ to BTU
Reverse Conversions
5 BTU to kJ 50 BTU to kJ 80 BTU to kJ 110 BTU to kJ 120 BTU to kJ 200 BTU to kJ 240 BTU to kJ 250 BTU to kJ 400 BTU to kJ 1,000 BTU to kJ 5,000 BTU to kJ 25,000 BTU to kJ
More Energy Conversions
1 GJ to kWh 1 GJ to MJ 1 MJ to BTU 100 J to cal 1 MJ to kWh 2 GJ to MJ 2 MJ to BTU 100 kJ to kcal 1 kWh to cal 10,000 J to kJ

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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

Laptop full charge 200 kJ
Match stick 1 kJ
Food calorie 4184 J
100 W bulb for 1 hour 0.1 kWh
Phone battery 40 kJ
AA battery 10 kJ

Formula

BTU = kJ × 0.9478169879

Example

Example: convert 100 kilojoules to British thermal units.

100 kJ = 94.78169879 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: 100 kJ → 94.78169879 BTU

Frequently Asked Questions

How much is 100 kilojoules in British thermal units?

100 kilojoules is about 94.7817 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.