Conversion reference
Formula: MJ = GJ x 1,000.
Gigajoules to Megajoules Converter
Convert Gigajoules (GJ) to Megajoules (MJ). Change either field to update the other value instantly.
GJ and MJ converter
This page converts energy units directly in your browser.
GJ to MJ conversion table
| Gigajoules | Megajoules |
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GJ to MJ formula
About GJ
Gigajoules are used in energy conversions. Enter a GJ value above to calculate MJ instantly.
About MJ
Megajoules are the target unit on this page. The table below gives common reference values for quick comparison.
Convert other units to MJ
These pages use MJ as the target unit.