Math Playground
Numbers
Algebra
Geometry
Data
Calculus
Games
Dictionary
Search
⌘K
All topics
Measurement
Length conversions
Convert any length — metric to imperial, ancient to modern.
Length conversions across systems.
Conversions
1 cm
≈ 0.394 in
1 m
≈ 3.28 ft
1 km
≈ 0.621 mi