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Convert millijoule to joule

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

The millijoule is a unit of energy. By definition, 1 millijoule [mJ] equals exactly 0.001 joule [J] — a fixed mathematical relationship, not an approximation.

millijoule to joule Conversion Table

millijoule [mJ]joule [J]
1 mJ0.001 J
5 mJ0.005 J
10 mJ0.01 J
50 mJ0.05 J
100 mJ0.1 J

Formula

1 millijoule [mJ] = 0.001 joule [J]
1 joule [J] = 1000.0 millijoule [mJ]

Convert Millijoule to Other Energy Units