km to Miles Converter

Convert kilometers to miles — 1 km = 0.621371 miles

1 km = 0.6214 mi1 mile = 1.60934 kilometers
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km
2

Result

Miles
0.6214
miles
1 km = 0.621371 miles
Meters1,000
Feet3,281
Yards1,094
Centimeters100,000

Kilometers to Miles — Common Conversions

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Quick trick: Multiply km by 0.6 for a fast estimate. For exact: km × 0.621371. Reverse: miles × 1.60934 = km.

Kilometers (km)Miles (mi)Meters (m)Feet (ft)
0.5 km0.311 mi500 m1,640 ft
1 km0.621 mi1,000 m3,281 ft
2 km1.243 mi2,000 m6,562 ft
3 km1.864 mi3,000 m9,843 ft
4 km2.485 mi4,000 m13,123 ft
5 km3.107 mi5,000 m16,404 ft
8 km4.971 mi8,000 m26,247 ft
10 km6.214 mi10,000 m32,808 ft
15 km9.321 mi15,000 m49,213 ft
20 km12.427 mi20,000 m65,617 ft
25 km15.534 mi25,000 m82,021 ft
42.195 km26.219 mi42,195 m138,435 ft
50 km31.069 mi50,000 m164,042 ft
75 km46.603 mi75,000 m246,063 ft
100 km62.137 mi100,000 m328,084 ft
150 km93.206 mi150,000 m492,126 ft
200 km124.274 mi200,000 m656,168 ft

Miles to Kilometers — Common Conversions

Miles (mi)Kilometers (km)Meters (m)
0.5 mi0.805 km805 m
1 mile1.609 km1,609 m
2 miles3.219 km3,219 m
3 miles4.828 km4,828 m
5 miles8.047 km8,047 m
10 miles16.093 km16,093 m
13.1 miles (half marathon)21.082 km21,082 m
26.2 miles (marathon)42.165 km42,165 m
50 miles80.467 km80,467 m
100 miles160.934 km160,934 m

Race Distances — km and Miles

RacekmMiles
1K run1 km0.621 mi
5K run5 km3.107 mi
10K run10 km6.214 mi
15K run15 km9.321 mi
Half Marathon21.097 km13.109 mi
Marathon42.195 km26.219 mi
50K Ultra50 km31.069 mi
100K Ultra100 km62.137 mi

Speed Conversion — km/h to mph

Speed limits, car speedometers, and running paces use different units in different countries. Here's a full reference:

km/hmphReal-World Reference
10 km/h6.2 mphBrisk walking / slow jog
15 km/h9.3 mphEasy running pace
20 km/h12.4 mphModerate cycling
30 km/h18.6 mphUrban speed limit (many countries)
40 km/h24.9 mphResidential road limit
50 km/h31.1 mphCity speed limit — Europe/Asia
60 km/h37.3 mphUrban expressway
80 km/h49.7 mphRural road (UK/EU)
100 km/h62.1 mphHighway limit — most countries
110 km/h68.4 mphHighway — Australia/Canada
120 km/h74.6 mphMotorway — Germany Autobahn advisory
130 km/h80.8 mphMotorway — France/Spain/Italy
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Running paces: A 5-min/km pace = 12 km/h = 7.46 mph. A 6-min/km pace = 10 km/h = 6.21 mph. Marathon world record pace ≈ 2:58/km = 20.2 km/h = 12.5 mph.

Frequently Asked Questions

How many miles in a kilometer?

1 kilometer = 0.621371 miles. To convert km to miles, multiply by 0.621371. So 5 km = 3.107 miles, 10 km = 6.214 miles.

How do you convert km to miles?

Multiply km by 0.621371. Formula: miles = km × 0.621371. Quick estimate: multiply by 0.6. Example: 10 km × 0.621371 = 6.214 miles.

How many km in a mile?

1 mile = 1.60934 kilometers. To convert miles to km, multiply by 1.60934. So 5 miles = 8.047 km, 10 miles = 16.093 km.

How many miles is 10 km?

10 km = 6.214 miles. A 10K race is exactly 6.214 miles. A marathon (42.195 km) = 26.219 miles.

How many km is 5 miles?

5 miles = 8.047 kilometers. Multiply 5 × 1.60934 = 8.047 km.

What is the formula to convert km to miles?

Exact formula: miles = km × 0.621371. Quick approximation: multiply km by 5 then divide by 8 (e.g., 8 km × 5 ÷ 8 = 5 miles).

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