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Exameter Conversions

An exameter is 10¹⁸ meters, about 106 light-years. It's used for distances between stars.

1 Em = 1 × 10¹⁸ m

Convert exameters to other units

Each line shows how much 1 exameter (Em) equals. Select a conversion for a calculator, formula and table.

Metric (SI)

Imperial & US customary

US survey units

Nautical

Astronomical

Atomic & physics

Historical & cloth

Typography

Convert other units to exameters