U.S. Customary Units
12 inches | 1 foot |
3 feet | 1 yard |
5,280 feet | 1 mile |
1,760 yards | 1 mile |
Metric System
10 millimeters | 1 centimeter |
10 centimeters | 1 decimeter |
10 decimeters | 1 meter |
1,000 meters | 1 kilometer |