Energy Converter

Convert between chemical, electrical and physical energy units.

Energy
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Common Benchmarks

Match stick 1 kJ
1 kWh 3.6 MJ
AA battery 10 kJ
Phone battery 40 kJ
100 W bulb for 1 hour 0.1 kWh
Microwave 10 minutes 0.17 kWh

Formula

MJ = GJ × 1000

Example

Example: convert 110000 gigajoules to megajoules.

110000 GJ = 110000000 MJ

Conversion table

gigajoules (GJ) megajoules (MJ)
1 GJ 1000 MJ
2 GJ 2000 MJ
5 GJ 5000 MJ
10 GJ 10000 MJ
20 GJ 20000 MJ
50 GJ 50000 MJ
100 GJ 100000 MJ

Explanation

These are both units.

How to convert gigajoules to megajoules

  1. Start with the value in gigajoules (GJ).
  2. Multiply it by 1000.
  3. The result is the measurement in megajoules (MJ).

Example: 110000 GJ → 110000000 MJ

Frequently Asked Questions

How much is 110000 gigajoules in megajoules?

110000 gigajoules equals 110000000 megajoules.

How many megajoules is 1 gigajoule?

1 gigajoule equals 1000 megajoules.

How many gigajoules is 1 megajoule?

1 megajoule equals 0.001 gigajoules.

What is the difference between gigajoules 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 gigajoules 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 gigajoule equal 1000 megajoules?

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