Energy Converter

Convert between chemical, electrical and physical energy units.

Energy
6
Printable Chart
Related Conversions
5 BTU to MJ 100 BTU to MJ 500 BTU to MJ 1,000 BTU to MJ 2,500 BTU to MJ 5,000 BTU to MJ 108,000 BTU to MJ 132,000 BTU to MJ 144,000 BTU to MJ 192,000 BTU to MJ 240,000 BTU to MJ 480,000 BTU to MJ
Reverse Conversions
10 MJ to BTU 50 MJ to BTU 2,500 MJ to BTU 10,000 MJ to BTU 50,000 MJ to BTU 96,000 MJ to BTU 100,000 MJ to BTU 108,000 MJ to BTU 132,000 MJ to BTU 192,000 MJ to BTU 480,000 MJ to BTU 2,400,000 MJ to BTU
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

Trending Now

Days Until Christmas Business Days 1 kWh to joules Percentage Calculator 1 week to hours Days Until New Year 200 pounds to kg 212 °F to °C FIFA World Cup 2026 Days Until Halloween

Recent Tools

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

100 W bulb for 1 hour 0.1 kWh
Cup of coffee 5 kJ
Boil 1 liter water 334 kJ
Laptop full charge 200 kJ
Slice of bread 330 kJ
1 kWh 3.6 MJ

Formula

MJ = BTU × 0.001055056

Example

Example: convert 120000 British thermal units to megajoules.

120000 BTU = 126.60672 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: 120000 BTU → 126.60672 MJ

Frequently Asked Questions

How much is 120000 British thermal units in megajoules?

120000 British thermal units is about 126.607 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.