Length Converter
Type a length once, in any unit, and see it in every unit at once
Meter
↑ ↓ step by 1 · Shift × 10 · Alt × 0.1 · or type the unit, e.g. 3 km or 5' 11"
mm
cm
m
km
in
ft
yd
mi
≈ 1 × a guitar
For scale, a guitar is about 1 mConversions
Decimals
Metric
Millimeter
Centimeter
Meter
Input
Kilometer
Imperial / US
Inch
Foot
Feet and inches
Yard
Mile
Nautical
Nautical mile
How to convert length
- Type a length with its unit, e.g. 3 km or 5' 11", or pick the unit next to the number.
- See it in every unit at once: metric, imperial / US, nautical and astronomical.
- Click a value to copy it, or set the decimals.
- Copy the link to share the conversion.
Questions
How many centimeters are in an inch?
Exactly 2.54 cm; a foot is 30.48 cm and a mile 1.609344 km.
Can I type feet and inches together?
Yes, type 5' 11" or 5 ft 11 in and every unit is shown.
How tall is 180 cm in feet?
Type 180 cm: it's about 5' 10.9", shown in feet with inches along with every other unit.
Is it accurate?
Yes, conversions use the exact definitions of the units; choose how many decimals to show.