Length Converter
Convert between metric and imperial length units. Switch between mm, cm, m, km, inches, feet, yards, and miles instantly.
Convert
Millimeters
30,480 mm
Centimeters
3,048 cm
Meters
30.48 m
Kilometers
0.03048 km
Inches
1,200 in
Feet
100 ft
Yards
33.3333 yd
Miles
0.018939 mi
Length Conversion Table
| Centimeters | Inches | Feet |
|---|---|---|
| 1 cm | 0.39 | 0.03 |
| 5 cm | 1.97 | 0.16 |
| 10 cm | 3.94 | 0.33 |
| 20 cm | 7.87 | 0.66 |
| 30 cm | 11.81 | 0.98 |
| 50 cm | 19.69 | 1.64 |
| 100 cm | 39.37 | 3.28 |
| 150 cm | 59.06 | 4.92 |
| 200 cm | 78.74 | 6.56 |
Frequently Asked Questions about the Length Converter
How many meters are in a foot?
1 foot equals exactly 0.3048 meters by international agreement. That makes 1 meter about 3.2808 feet, or 39.3701 inches.
How long is a mile in kilometers?
1 mile equals exactly 1.609344 kilometers. So a 5K race is about 3.1069 miles, and a 10-mile run is roughly 16.09 km.
How do I convert meters to yards quickly?
Multiply meters by 1.0936, or divide by 0.9144. A 100-meter sprint is about 109.36 yards, just under 110.
Where are metric vs imperial length units used?
Meters, centimeters, and kilometers are standard worldwide. The US uses inches, feet, yards, and miles for daily life. The UK uses miles for road distance but meters and centimeters for most other measurements.
What is a quick shortcut to estimate inches from centimeters?
Divide centimeters by 2.54, or for a rough estimate divide by 2.5 and subtract about 2 percent. A 30 cm ruler is roughly 11.8 inches.