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Convert gigajoule to millijoule

Please provide a value below to convert gigajoule [GJ] to millijoule [mJ], or vice versa.

The gigajoule is a unit of energy. By definition, 1 gigajoule [GJ] equals exactly 1000000000000.0 millijoule [mJ] — a fixed mathematical relationship, not an approximation.

gigajoule to millijoule Conversion Table

gigajoule [GJ]millijoule [mJ]
1 GJ1000000000000.0 mJ
5 GJ5000000000000.0 mJ
10 GJ10000000000000.0 mJ
50 GJ50000000000000.0 mJ
100 GJ100000000000000.0 mJ

Formula

1 gigajoule [GJ] = 1000000000000.0 millijoule [mJ]
1 millijoule [mJ] = 1.0E-12 gigajoule [GJ]

Convert Gigajoule to Other Energy Units