Miles to KM Converter

Convert between miles and kilometers instantly — no signup, nothing sent to a server.

Edit either field — the other updates automatically. 1 mi = 1.60934 km.

Formula, conversion table & examples

Formula

km = mi × 1.61

mi = km ÷ 1.61

Miles to Kilometers conversion table

Miles (mi) Kilometers (km)
1 1.61
5 8.05
10 16.09
50 80.47
100 160.93
500 804.67

Worked examples

  • 1 mi = 1 × 1.61 = 1.61 km
  • 5 mi = 5 × 1.61 = 8.05 km
  • 804.67 km back to Miles: 804.67 ÷ 1.61 = 500 mi

How to convert miles to kilometers

  1. 1

    Enter a value in either field

    Type a value into the miles field, or the kilometers field — either direction works.

  2. 2

    Read the converted value

    The other field updates instantly as you type.

  3. 3

    Adjust as needed

    Keep editing either field to try different values.

Example use cases

1

Running & cycling pace

Convert distances or pace splits from miles to kilometers for training logs.

2

Road trips & driving distance

Convert route distances shown in miles into kilometers.

3

Speed limits abroad

Convert speed limits or distance signs when travelling between countries that use different units.

4

Race distances

Convert marathon, 10K, or other race distances between imperial and metric.

Frequently asked questions

How do I convert miles to kilometers?

Multiply the distance in miles by 1.60934. For example, 1 mi × 1.60934 ≈ 1.61 km.

How do I convert kilometers to miles?

Divide the distance in kilometers by 1.60934, or multiply by 0.621371. For example, 1.61 km × 0.621371 ≈ 1 mi.

Is this precise enough for pace or race distances?

The conversion factor used (1.60934) is accurate to 5 decimal places, which is precise enough for running paces, road-trip distances, and race distances.

Is anything I type sent to a server?

No. Every conversion runs entirely in your browser — nothing is transmitted or logged.