1 Mile to Kilometers: 1 mi = 1.61 km

1 Mile to Kilometers

1 mile to km: 1 mile equals 1.61 kilometers. More exactly, it is 1.609344 kilometers, which is 1,609.34 meters, 1,760 yards or 5,280 feet. It is the key number for runners, drivers and travelers moving between miles and kilometers.

For background on the unit itself, see the mile entry on Wikipedia.

The Miles to Kilometers Formula

kilometers = miles × 1.609344

1 × 1.609344 = 1.61 km

The factor 1.609344 is exact, since the international mile is defined as 1,609.344 meters. For daily use, 1.61 is more than enough.

Table: 1 to 10 Miles in Kilometers

1 Mile and the Running Track

A standard outdoor track is 400 meters around, so a mile is just over four laps (4.02 laps). Runners who train in miles often convert pace as well. A pace of 8:00 per mile is about 4:58 per kilometer, and 10:00 per mile is 6:13 per kilometer. Most GPS watches switch between units, so set them to match the race.

Speed Limits and Road Signs

The US and UK use miles per hour on road signs, while most of the world uses kilometers per hour. A 30 mph limit is 48.3 km/h, 60 mph is 96.6 km/h and 70 mph is 112.7 km/h. If you are driving abroad in a hire car, check whether the speedometer shows both units, and remember that road distance signs use the local unit.

1 mile to km for Walking and Hiking

At an easy walking pace of 5 km/h, one mile takes about 19 minutes. A three-mile trail is 4.83 km and would take about an hour, so trail maps in miles and km both help you plan food, water and daylight. When you convert 1 mile to km on a route, add 60% to the mile figure for a quick sense of the total.

Using 1 mile to km on Travel Plans

Distances on travel sites, satellite navigation and rail timetables can switch units without warning. If a hotel says it is 1 mile from the station and you are used to kilometers, 1.61 km is what you need. Writing both values next to each other on your itinerary prevents wrong turns and missed transfers.

Some common distances: 5 miles is 8.05 km, 10 miles is 16.09 km, a half marathon is 13.1 miles and a marathon is 26.2 miles, or about 21.1 km and 42.2 km. Keep 1.6 in your head, and 1 mile to km becomes a quick multiplication for any distance.

A Quick Mental Method

Multiply the miles by 8, then divide by 5. For 1 mile that is 8 ÷ 5 = 1.6 km, and for 10 miles it is 80 ÷ 5 = 16 km, close to the exact 16.09.

Converting Back and Related Guides

To go back, multiply kilometers by 0.621371. For related pages, see what a kilometer is, metric vs imperial units and what a yard is.

Frequently Asked Questions

How many km is 1 mile?

1 mile is 1.61 kilometers.

How many meters is 1 mile?

1 mile is 1,609.34 meters.

How many yards are in 1 mile?

There are 1,760 yards in 1 mile.

Is a mile longer than a kilometer?

Yes. A mile is about 1.61 times longer than a kilometer.