Length Unit Converter
Convert meters, feet, inches, kilometers, miles, yards, centimeters, and millimeters with instant real-time bidirectional calculations.
Metric vs Imperial length units
Length conversions bridge the gap between two major measurement systems: the International System of Units (Metric) used globally, and the Imperial/US Customary System used primarily in the United States and international aviation/maritime contexts.
Key conversion factors
- 1 Meter (m) = 3.28084 Feet (ft) = 1.09361 Yards (yd) = 100 Centimeters (cm)
- 1 Kilometer (km) = 0.621371 Miles (mi) = 1,000 Meters (m)
- 1 Inch (in) = 2.54 Centimeters (cm) = 25.4 Millimeters (mm)
- 1 Foot (ft) = 12 Inches (in) = 0.3048 Meters (m)
Popular Length Conversions
Frequently Asked Questions
How many feet are in a meter?+
1 meter is defined as exactly 3.28084 feet (or 39.3701 inches).
How do I convert miles to kilometers?+
Multiply the distance in miles by 1.609344. For example, 5 miles × 1.609344 = 8.0467 kilometers.
Which metric and imperial units are supported?+
ShadTools supports meters (m), kilometers (km), centimeters (cm), millimeters (mm), miles (mi), yards (yd), feet (ft), and inches (in).
Can I swap the input and output units instantly?+
Yes. Click the central swap button to invert your conversion direction instantly without re-typing.