Length Unit Converter

Convert between 11 length units instantly - metric, imperial and more

Value

From

Result

To

Convert to All Units

Nanometer (nm)-

Micrometer (μm)-

Millimeter (mm)-

Centimeter (cm)-

Inch (in)-

Meter (m)-

Foot (ft)-

Yard (yd)-

Chain (ch)-

Kilometer (km)-

Mile (mi)-

Length Units Reference

Unit	Symbol	In Meters	Common Use
Nanometer	nm	10⁻⁹ m	DNA helix width (~2nm), visible light wavelength (400-700nm)
Micrometer	μm	10⁻⁶ m	Human hair diameter (~70μm), bacteria (1-10μm)
Millimeter	mm	10⁻³ m	Credit card thickness (~0.76mm), ant length (~2-5mm)
Centimeter	cm	10⁻² m	Fingernail width (~1cm), coin diameter (~2-3cm)
Inch	in	0.0254 m	Thumb tip length (~1in), smartphone screens
Meter	m	1 m	Door height (~2m), single bed width (~1m)
Foot	ft	0.3048 m	Human arm length (~2ft), guitar length (~3ft)
Yard	yd	0.9144 m	Car width (~2yd), football first down (10yd)
Chain	ch	20.1168 m	Cricket pitch length (1ch), land surveying
Kilometer	km	1000 m	12-min walk (~1km), city block (~0.1km)
Mile	mi	1609.34 m	15-20 min drive (~1mi), marathon (~26.2mi)