Length conversions

Metric and imperial distance, from nanometres up to light years. The most searched conversion family on the internet.

Every length unit

Relative to one meter.

UnitSymbol1 m equals
Nanometersnm1,000,000,000
Micrometersµm1,000,000
Millimetersmm1,000
Centimeterscm100
Metersm
Kilometerskm0.001
Inchesin39.3701
Feetft3.2808
Yardsyd1.0936
Milesmi0.000621
Nautical milesnmi0.00054
Light yearsly1.0570 × 10^-16

All length conversions

132 pages, grouped by starting unit.

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