Energy Converter

Convert between chemical, electrical and physical energy units.

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Related Conversions
25 MJ to GJ 50 MJ to GJ 250 MJ to GJ 1,000 MJ to GJ 5,000 MJ to GJ 10,000 MJ to GJ 25,000 MJ to GJ 54,000 MJ to GJ 72,000 MJ to GJ 96,000 MJ to GJ 144,000 MJ to GJ 240,000 MJ to GJ
Reverse Conversions
5 GJ to MJ 100 GJ to MJ 250 GJ to MJ 2,500 GJ to MJ 54,000 GJ to MJ 66,000 GJ to MJ 72,000 GJ to MJ 96,000 GJ to MJ 100,000 GJ to MJ 120,000 GJ to MJ 144,000 GJ to MJ 1,200,000 GJ 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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Common Benchmarks

Laptop full charge 200 kJ
AA battery 10 kJ
Phone battery 40 kJ
Boil 1 liter water 334 kJ
1 kWh 3.6 MJ
Cup of coffee 5 kJ

Formula

GJ = MJ × 0.001

Example

Example: convert 60000 megajoules to gigajoules.

60000 MJ = 60 GJ

Conversion table

megajoules (MJ) gigajoules (GJ)
1 MJ 0.001 GJ
2 MJ 0.002 GJ
5 MJ 0.005 GJ
10 MJ 0.01 GJ
20 MJ 0.02 GJ
50 MJ 0.05 GJ
100 MJ 0.1 GJ

Explanation

These are both units.

How to convert megajoules to gigajoules

  1. Start with the value in megajoules (MJ).
  2. Multiply it by 0.001.
  3. The result is the measurement in gigajoules (GJ).

Example: 60000 MJ → 60 GJ

Frequently Asked Questions

How much is 60000 megajoules in gigajoules?

60000 megajoules equals 60 gigajoules.

How many gigajoules is 1 megajoule?

1 megajoule equals 0.001 gigajoules.

How many megajoules is 1 gigajoule?

1 gigajoule equals 1000 megajoules.

What is the difference between megajoules and gigajoules?

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 gigajoules 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 0.001 gigajoules?

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