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Kilometers to miles converter

1 km = 0.6213711922 mi. Race distances (5K, 10K, half marathon), road signs abroad and car odometers set to kilometers.

km
5 km = 3.106855961 mi
  • Meters5,000 m
  • Inches196,850.4 in
  • Feet16,404.2 ft
  • Centimeters500,000 cm

Factor 1 km = 0.621371192237 mi · shown rounded; the calculation uses exact factors

Show this length in every unit
Same length in other units
Millimeters (mm)5,000,000
Centimeters (cm)500,000
Meters (m)5,000
Kilometers (km)5
Inches (in)196,850.3937
Feet (ft)16,404.19948
Yards (yd)5,468.066492
Miles (mi)3.106855961
Nautical miles (nmi)2.699784017
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Drawn to scale · metric above, US customary below

Both rulers share one physical scale: a tick on the top lines up with the same length on the bottom. Comparison lengths are official or standard sizes.

How to convert kilometers to miles

1 mi = 1.609344 km (exact)

miles = kilometers ÷ 1.609344

1 km ≈ 0.621371 mi

Shortcut: Multiply by 0.6 and add a bit (about 3.5% low otherwise): 10 km ≈ 6 + 0.2 = 6.2 mi.

Km to miles table

Kilometers to miles conversion table
KilometersMiles
1 km0.6214 mi
2 km1.2427 mi
3 km1.8641 mi
5 km3.1069 mi
8 km4.971 mi
10 km6.2137 mi
15 km9.3206 mi
20 km12.4274 mi
21.0975 km13.1094 mi
25 km15.5343 mi
30 km18.6411 mi
40 km24.8548 mi
42.195 km26.2188 mi
50 km31.0686 mi
80 km49.7097 mi
100 km62.1371 mi
160 km99.4194 mi
200 km124.2742 mi
500 km310.6856 mi
1,000 km621.3712 mi

Values are calculated with exact factors and rounded for the table; the converter above shows full precision.

Worked examples

5 km to miles

5 ÷ 1.609344

3.1069 mi

10 km to miles

10 ÷ 1.609344

6.2137 mi

42.195 km to miles

42.195 ÷ 1.609344

26.2188 mi

Questions

How many miles is a 5K?

About 3.107 miles.

How many miles is a 10K?

About 6.214 miles.

How many miles is a marathon?

42.195 km, about 26.219 miles, usually quoted as 26.2 miles.

Related conversions

The history: Where the inch, foot, yard and mile came from.

Sources