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Petameter Conversions

A petameter is 10¹⁵ meters, roughly a tenth of a light-year.

1 Pm = 1 × 10¹⁵ m

Convert petameters to other units

Each line shows how much 1 petameter (Pm) 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 petameters