Conversion

Real-World Equivalents

Information

Distance Units

Distance can be measured in various units across different measurement systems. The most common are:

Metric System

  • Millimeter (mm) - 1/1000 of a meter
  • Centimeter (cm) - 1/100 of a meter
  • Meter (m) - Base unit of length
  • Kilometer (km) - 1000 meters

Imperial/US Customary System

  • Inch (in) - 1/12 of a foot
  • Foot (ft) - 12 inches
  • Yard (yd) - 3 feet
  • Mile (mi) - 5280 feet

Conversion Factors

1 inch = 2.54 cm
1 foot = 30.48 cm
1 mile = 1.60934 km
1 yard = 0.9144 m

Common Distances

5 km
Typical running race
100 m
Olympic sprint
26.2 mi
Marathon
1.5 in
Golf ball diameter