Length conversion

Length Converter

Convert metric, US, imperial, and nautical length units, with common equivalents shown together for quick comparison.

Length conversion

Enter a length

Choose the starting unit and the unit you want. Results update locally in your browser.

The conversion runs entirely in your browser and is not stored.

Converted length

3.28083989501 ft

Common metric and US/imperial equivalents are calculated from the same length.

Millimeters
1,000 mm
Centimeters
100 cm
Meters
1 m
Kilometers
0.001 km
Inches
39.3700787402 in
Feet
3.28083989501 ft
Yards
1.09361329834 yd
Miles
0.000621371192237 mi
1 in = 2.54 cm1 ft = 0.3048 m1 mi = 1.609344 km

Quick example

Convert 1 meter to feet

Divide 1 meter by the exact length of a foot, 0.3048 meter. The result is approximately 3.28084 feet, or about 39.3701 inches.

Quick reference

Common length conversions

Starting lengthEquivalent
1 inch2.54 centimeters
1 foot0.3048 meter
1 yard0.9144 meter
1 meter3.28084 feet
1 mile1.609344 kilometers
1 kilometer0.621371 mile
1 nautical mile1.852 kilometers

Unit systems

Metric, US, imperial, and nautical units

Metric units

Nanometers through kilometers scale by powers of ten around the meter, making conversions within the metric system decimal shifts.

Inches, feet, and yards

There are 12 inches in a foot and 3 feet in a yard. These units are widely used in the United States and also appear in imperial contexts.

International mile

The mile used here contains 5,280 feet and is exactly 1,609.344 meters.

Nautical mile

A nautical mile is exactly 1,852 meters and is used in marine and air navigation.

Precision

Exact factors, readable results

The converter calculates through meters using defined conversion factors. Relationships such as 1 inch = 2.54 centimeters are exact, but repeating decimal results are rounded for display to 12 significant digits. Very small or large values use scientific notation.

Common questions

Length conversion FAQ

How many feet are in a meter?

One meter equals approximately 3.28084 feet.

How do I convert inches to centimeters?

Multiply inches by exactly 2.54. For example, 10 inches equals 25.4 centimeters.

How many kilometers are in a mile?

One international mile equals exactly 1.609344 kilometers.

Is a nautical mile the same as a regular mile?

No. A nautical mile is exactly 1,852 meters; an international mile is exactly 1,609.344 meters.