Mile(mi)

The mile is a long-distance unit in the imperial and US customary systems, equal to exactly 1,609.344 meters.

Reviewed September 4, 2026

Symbol: mi
Quantity: Length
Measurement system: Imperial and US customary
SI classification: Non-SI unit
Reference unit: Meter
Exact relationship: 1 mi = 1,609.344 m exactly

Visualizing mile

The marked distance represents a length of 1 mi. The illustration is conceptual and not drawn to physical scale.

What the mile is

The mile remains common in road-distance and travel contexts in several countries, even though the meter and kilometer are the standard SI length units.

Convert Mile

LengthMilesCentimeters1 mi = 160,900 cm
LengthMilesDecimeters1 mi = 16,090 dm
LengthMilesInches1 mi = 63,360 in
LengthMilesMeters1 mi = 1,609 m
LengthMilesFeet1 mi = 5,280 ft
LengthMilesKilometers1 mi = 1.609 km