Energy Converter

Convert between chemical, electrical and physical energy units.

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Related Conversions
25 MJ to BTU 500 MJ to BTU 800 MJ to BTU 900 MJ to BTU 1,100 MJ to BTU 1,200 MJ to BTU 1,600 MJ to BTU 2,400 MJ to BTU 2,500 MJ to BTU 10,000 MJ to BTU 20,000 MJ to BTU 25,000 MJ to BTU
Reverse Conversions
25 BTU to MJ 50 BTU to MJ 100 BTU to MJ 250 BTU to MJ 800 BTU to MJ 900 BTU to MJ 2,500 BTU to MJ 4,000 BTU to MJ 5,000 BTU to MJ 10,000 BTU to MJ 20,000 BTU to MJ 100,000 BTU to MJ
More Energy Conversions
1 GJ to MJ 1 MJ to BTU 100 J to cal 1 GJ to kWh 2 GJ to MJ 2 MJ to BTU 100 kJ to kcal 1 MJ to kWh 10,000 J to kJ

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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

1 kWh 3.6 MJ
AA battery 10 kJ
Gasoline liter 34 MJ
100 W bulb for 1 hour 0.1 kWh
Slice of bread 330 kJ
Phone battery 40 kJ

Formula

BTU = MJ × 947.8169879134

Example

Example: convert 1000 megajoules to British thermal units.

1000 MJ = 947816.98791344 BTU

Conversion table

megajoules (MJ) British thermal units (BTU)
1 MJ 947.81698791 BTU
2 MJ 1895.63397583 BTU
5 MJ 4739.08493957 BTU
10 MJ 9478.16987913 BTU
20 MJ 18956.33975827 BTU
50 MJ 47390.84939567 BTU
100 MJ 94781.69879134 BTU

Explanation

These are both units.

How to convert megajoules to British thermal units

  1. Start with the value in megajoules (MJ).
  2. Multiply it by 947.8169879134.
  3. The result is the measurement in British thermal units (BTU).

Example: 1000 MJ → 947816.98791344 BTU

Frequently Asked Questions

How much is 1000 megajoules in British thermal units?

1000 megajoules is about 947816.99 British thermal units.

How many British thermal units is 1 megajoule?

1 megajoule equals 947.81698791 British thermal units.

How many megajoules is 1 British thermal unit?

1 British thermal unit equals 0.001055056 megajoules.

What is the difference between megajoules 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 megajoules 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 megajoule equal 947.81698791 British thermal units?

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