Measure Converter

Did You Know?

The kilometer became popular during the French Revolution as part of the metric system.

The Autobahn in Germany has no speed limit on some stretches, but average speeds are around 120 km/h (75 mph).

The Earth’s circumference is 40,075 km (24,901 miles)—meaning you could circle the globe in just 40 hours driving nonstop at 1,000 km/h!

Quick Reference

• 1 km = 1000 m
• 1 m = 100 cm
• 1 cm = 10 mm
• 1 mm = 1000 μm (micrometers)
• 1 μm = 1000 nm (nanometers)
• 1 in = 2.54 cm
• 1 ft = 12 in
• 1 yd = 3 ft
• 1 chain = 22 yd
• 1 rod (pole) = 5.5 yd
• 1 fathom = 6 ft
• 1 mi = 1760 yd
• 1 nmi (nautical mile) = 1852 m
• 1 league = 3 mi