Kilometer Converter
Convert kilometers to other distance units. The standard metric unit for road distances.
1 kilometers =
0.621371 mi
All Conversions
0.621371
Miles
1,000
Meters
3,280.84
Feet
0.539957
Nautical Miles
Formula
1 km = 0.621 miles = 1000 m
Quick Reference
1 km
= 0.621 miles
5 km
= 3.11 miles
10 km
= 6.21 miles
Marathon
= 42.195 km
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
📚
Formula Source: NIST Guide to SI Units
by National Institute of Standards
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.