Unit Converter: Length (metre, inch, yard)

  • Convert length units such as Metric system, United States customary units / Imperial units, and Japanese units of measurement to each other.
  • Round to the 14th decimal place.
日本語 / English

Metric system

angstrom
nanometrenm
micrometreμm
millimetremm
centimetrecm
metrem
kilometrekm

United States customary units / Imperial units

inchin
footft
yardyd
chainch
furlongfur
milemi

Japanese units of measurement

sun
shaku
ken
chō
ri

Nautical

nautical milenm / M
* About the notation of "e": Numbers with many digits may be displayed as "1e9". This is a computer exponential notation, where “e” represents a power of 10.
1e3 = 103 = 1,000
1e6 = 106 = 1,000,000
1e9 = 109 = 1,000,000,000
1e-3 = 10-3 = 0.001
1e-6 = 10-6 = 0.000001
1e-9 = 10-9 = 0.000000001

Length conversion formula

Metric system

1km=103m1km = 10^3m 1m=102cm=103mm=106μm=109nm=1010A˚1m = 10^2cm = 10^3mm = 10^6μm = 10^9nm = 10^{10}\text{\AA}

United States customary units / Imperial units

1mile=8furlong=80chain=1760yard1mile = 8furlong = 80chain = 1760yard 1yard=3foot=36inch1yard = 3foot = 36inch 1inch=25.4mm1inch = 25.4mm

Japanese units of measurement

1=361\text{里} = 36\text{町} 1=60=3601\text{町} = 60\text{間} = 360\text{尺} 1=61\text{間} = 6\text{尺} 1=101\text{丈} = 10\text{尺} 1=10=1033m0.3030303m1\text{尺} = 10\text{寸} = {\dfrac {10}{33}}m \approx 0.3030303m

Nautical

1nm=1852m1nm = 1852m