How many centimeters are in an inch?

One inch equals exactly 2.54 centimeters. This is an exact definition established in 1959. Therefore 1 foot (12 inches) = 30.48 cm, and 1 meter ≈ 39.3701 inches.

How many kilometers are in a mile?

One mile equals approximately 1.60934 kilometers. Conversely, 1 kilometer ≈ 0.62137 miles. The mile is used primarily in the United States, UK, and a few other countries.

What is the difference between a yard and a meter?

One yard equals 0.9144 meters exactly, so they are close but not equal. A meter is about 9.36% longer than a yard. Both are commonly used for measuring medium distances like sports fields.

Length Converter

Convert between mm, cm, m, km, inches, feet, yards, and miles.

Value

Unit

Millimeters (mm)

1000

Centimeters (cm)

100

Meters (m)

Kilometers (km)

0.001

Inches (in)

39.37007874

Feet (ft)

3.280839895

Yards (yd)

1.093613298

Miles (mi)

0.0006213711922

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FAQ

How many centimeters are in an inch?: One inch equals exactly 2.54 centimeters. This is an exact definition established in 1959. Therefore 1 foot (12 inches) = 30.48 cm, and 1 meter ≈ 39.3701 inches.
How many kilometers are in a mile?: One mile equals approximately 1.60934 kilometers. Conversely, 1 kilometer ≈ 0.62137 miles. The mile is used primarily in the United States, UK, and a few other countries.
What is the difference between a yard and a meter?: One yard equals 0.9144 meters exactly, so they are close but not equal. A meter is about 9.36% longer than a yard. Both are commonly used for measuring medium distances like sports fields.

The Length Converter accepts a length value and unit and instantly shows equivalents across all common length units: millimeters, centimeters, meters, kilometers, inches, feet, yards, and miles. Results are displayed in a card grid with copy buttons for each value.