Length Converter

Convert across metric, imperial, nautical, astronomical, digital, and historic units

Convert

3.280839895

Precision

6 sig. figs

Quick Conversions

Real-world Reference

≈ 0.5882353× Average human height

Reference: 1.70e+0 m

Fromm

Metre

1 m = 1 m

Toft

Foot

1 ft = 0.3048 m

All Conversions

Metric
Picometre(pm)

Atomic bond lengths

1000000000000
Nanometre(nm)

Wavelength of light

1000000000
Micrometre(µm)

Width of a human hair ÷ 100

1000000
Millimetre(mm)
1000
Centimetre(cm)
100
Decimetre(dm)
10
Metre(m)
1
Decametre(dam)
0.1
Hectometre(hm)
0.01
Kilometre(km)
0.001
Megametre(Mm)

~¼ Earth circumference

0.000001
Gigametre(Gm)

~Earth–Moon distance

1e-9
Imperial
Thou(thou)

1/1000 of an inch

39370.07874
Inch(in)
39.37007874
Foot(ft)
3.280839895
Yard(yd)
1.093613298
Chain(ch)

Surveying unit

0.04970969538
Furlong(fur)

1/8 mile

0.004970969538
Mile(mi)
0.0006213711922
League(lea)

~1 hour walk

0.0002071237307
Nautical
Fathom(ftm)

Water depth measurement

0.5468066492
Cable(cbl)
0.005399568035
Nautical mile(nmi)
0.0005399568035
Nautical league(nl)
0.0001799856012
Astronomical
Astronomical unit(AU)

Earth–Sun distance

6.684587e-12
Light-year(ly)
1.057001e-16
Parsec(pc)
3.240779e-17
Kiloparsec(kpc)
3.240779e-20
Megaparsec(Mpc)
3.240779e-23
Light-second(ls)

Distance light travels in 1 second

3.335640952e-9
Light-minute(lm)
5.559402e-11
Digital
Pixel (96dpi)(px)
3779.532321
Point (CSS)(pt)

1/72 inch

2834.643884
Pica(pc)

1/6 inch, 12 points

236.220491
Em (16px)(em)

Relative to font size

236.220491
Historic
Hand(hh)

Horse height measurement

9.842519685
Cubit(cbt)

Elbow to fingertip

2.187226597
Smoot(smt)

Oliver Smoot's height (MIT prank)

0.5876131155
Rod(rd)

5.5 yards

0.1988387815
Nail(nai)

Cloth measurement

17.49781277
Span(spn)

Width of outstretched hand

4.374453193

All conversions use the metre as the SI base unit. Click any from or to badge in the table to instantly set that unit.