Energy Converter

Convert between chemical, electrical and physical energy units.

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Related Conversions
5 BTU to MJ 6.5 BTU to MJ 8.5 BTU to MJ 10 BTU to MJ 11.2 BTU to MJ 16.8 BTU to MJ 25 BTU to MJ 28 BTU to MJ 100 BTU to MJ 140 BTU to MJ 500 BTU to MJ 5,000 BTU to MJ
Reverse Conversions
1 MJ to BTU 5.5 MJ to BTU 6.5 MJ to BTU 8.5 MJ to BTU 11.2 MJ to BTU 16.8 MJ to BTU 70 MJ to BTU 500 MJ to BTU 2,500 MJ to BTU 5,000 MJ to BTU 10,000 MJ to BTU 25,000 MJ to BTU
More Energy Conversions
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 1 kWh to cal

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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

Match stick 1 kJ
Laptop full charge 200 kJ
Cup of coffee 5 kJ
AA battery 10 kJ
Slice of bread 330 kJ
1 kWh 3.6 MJ

Formula

MJ = BTU × 0.001055056

Example

Example: convert 7 British thermal units to megajoules.

7 BTU = 0.00738539 MJ

Conversion table

British thermal units (BTU) megajoules (MJ)
1 BTU 0.00105506 MJ
2 BTU 0.00211011 MJ
5 BTU 0.00527528 MJ
10 BTU 0.01055056 MJ
20 BTU 0.02110112 MJ
50 BTU 0.0527528 MJ
100 BTU 0.1055056 MJ

Explanation

These are both units.

How to convert British thermal units to megajoules

  1. Start with the value in British thermal units (BTU).
  2. Multiply it by 0.001055056.
  3. The result is the measurement in megajoules (MJ).

Example: 7 BTU → 0.00738539 MJ

Frequently Asked Questions

How much is 7 British thermal units in megajoules?

7 British thermal units is about 0.00738539 megajoules.

How many megajoules is 1 British thermal unit?

1 British thermal unit equals 0.001055056 megajoules.

How many British thermal units is 1 megajoule?

1 megajoule equals 947.81698791 British thermal units.

What is the difference between British thermal units and megajoules?

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 British thermal units and megajoules 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 British thermal unit equal 0.001055056 megajoules?

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