Length Converter

Convert meters, feet, inches, miles and more instantly.

1 ft=0.3048 m
1 ft = 0.3048 m 1 m = 3.2808399 ft

All conversions

0.3048
Meter m
0.0003048
Kilometer km
30.48
Centimeter cm
304.8
Millimeter mm
304,800
Micrometer µm
304,800,000
Nanometer nm
12
Inch in
1
Foot ft
0.33333333
Yard yd
0.00018939394
Mile mi
0.00016457883
Nautical mile nmi

Common length conversions

ft to m
ftm
10.3048
51.524
103.048
257.62
5015.24
10030.48
1000304.8
in to cm
incm
12.54
512.7
1025.4
2563.5
50127
100254
10002,540
mi to km
mikm
11.609344
58.04672
1016.09344
2540.2336
5080.4672
100160.9344
10001,609.344
km to mi
kmmi
10.62137119
53.106856
106.2137119
2515.53428
5031.06856
10062.137119
1000621.37119

Unit reference

UnitSymbolEquals
Metermbase unit
Kilometerkm1 km = 1,000 m
Centimetercm1 cm = 0.01 m
Millimetermm1 mm = 0.001 m
Micrometerµm1 µm = 0.000001 m
Nanometernm1 nm = 1e-9 m
Inchin1 in = 0.0254 m
Footft1 ft = 0.3048 m
Yardyd1 yd = 0.9144 m
Milemi1 mi = 1,609.344 m
Nautical milenmi1 nmi = 1,852 m

About this length converter

This length converter turns any distance into 11 units at once, from nanometers to nautical miles. Type a value, pick the unit you have, and every result updates as you type. All factors are the exact international definitions (for example 1 inch = 25.4 mm and 1 mile = 1,609.344 m), so results are reliable for school, DIY and professional work.

Working with areas or capacities instead? Try the area converter or the volume converter.

Construction & DIY

Switch between feet, inches and meters when reading blueprints, buying materials or following international furniture plans.

Travel & fitness

Compare miles and kilometers for road signs, running routes and cycling distances.

Science & engineering

Move between millimeters, micrometers and nanometers for lab work, tolerances and specifications.

Tips for accurate results

Use exact definitions

Since 1959 the international inch is exactly 25.4 mm, so 1 ft = 0.3048 m and 1 mi = 1,609.344 m exactly. Avoid rounded shortcuts like 1.6 km per mile for anything critical.

Know your miles

A statute (land) mile is 1,609.344 m. A nautical mile, used in aviation and shipping, is 1,852 m.

Frequently asked questions

How many centimeters are in an inch?

There are exactly 2.54 centimeters in one inch. To convert inches to centimeters, multiply by 2.54.

How do I convert feet to meters?

Multiply the number of feet by 0.3048. For example, 10 feet is 3.048 meters. To go the other way, divide meters by 0.3048.

What is the difference between a mile and a nautical mile?

A statute mile equals 1,609.344 meters, while a nautical mile equals 1,852 meters (one minute of latitude). Nautical miles are used for sea and air navigation.

Are the results rounded?

Results show up to 8 significant digits by default. You can raise the precision to 15 digits, and the copy buttons always copy the value at the selected precision.

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