How do I convert miles to km?

To convert miles to kilometers, multiply the mile value by 1.60934. For example, 10 miles × 1.60934 = 16.0934 km. This converter automatically calculates the result.

What is the formula for miles to km?

The formula is: kilometers = miles × 1.60934. One mile is defined as exactly 1,609.344 meters (approximately 1.60934 km). The conversion factor is based on the international mile standard.

How many km is 1 mile?

1 mile is equal to exactly 1.609344 kilometers (approximately 1.609 km for most purposes). The mile is an imperial unit while the kilometer is a metric unit.

How many miles are in a km?

1 kilometer is equal to approximately 0.621371 miles. This is the inverse of the miles to km conversion factor (1/1.609344).

> >Miles to km Converter

Miles to km Converter

Convert miles (mi) to kilometers (km) with this easy-to-use distance converter.

Miles

Related Tools

External Resources

Wikipedia: Mile Wikipedia: Kilometre NIST: Metric System

Frequently Asked Questions

How do I convert miles to km?: To convert miles to kilometers, multiply the mile value by 1.60934. For example, 10 miles × 1.60934 = 16.0934 km. This converter automatically calculates the result.
What is the formula for miles to km?: The formula is: kilometers = miles × 1.60934. One mile is defined as exactly 1,609.344 meters (approximately 1.60934 km). The conversion factor is based on the international mile standard.
How many km is 1 mile?: 1 mile is equal to exactly 1.609344 kilometers (approximately 1.609 km for most purposes). The mile is an imperial unit while the kilometer is a metric unit.
How many miles are in a km?: 1 kilometer is equal to approximately 0.621371 miles. This is the inverse of the miles to km conversion factor (1/1.609344).
What is the miles to km conversion for 5 miles?: 5 miles = 8.05 km. This is a common distance for 5K runs (which are actually 5 km = 3.1 miles). For running conversions: 3.1 miles = 5 km, 6.2 miles = 10 km, 13.1 miles = 21.1 km (half marathon), 26.2 miles = 42.2 km (marathon).
How do I estimate miles to km without a calculator?: A quick estimation: multiply miles by 1.6 (or by 8/5). Example: 50 miles × 1.6 = 80 km (actual: 80.47 km). For more accuracy, use 1.609 or this converter.
What is the difference between a mile and a kilometer?: A mile (1,609 m) is longer than a kilometer (1,000 m). Miles are used in the US and UK for road distances. Kilometers are used in most other countries. 1 mile ≈ 1.609 km, 1 km ≈ 0.621 miles.
How do I convert miles per hour to km per hour?: To convert mph to km/h: multiply by 1.60934. Common speed limits: 30 mph = 48.3 km/h, 60 mph = 96.6 km/h, 70 mph = 112.7 km/h, 100 mph = 160.9 km/h.
What is the miles to km conversion for marathon?: A marathon is 26.2 miles = 42.16 km. A half marathon is 13.1 miles = 21.08 km. For training: 10 miles = 16.09 km, 20 miles = 32.19 km.
How do I convert running distances from miles to km?: Running conversions: 1 mile = 1.61 km, 3.1 miles = 5 km (5K), 6.2 miles = 10 km (10K), 13.1 miles = 21.1 km (half marathon), 26.2 miles = 42.2 km (marathon).
What is the origin of the mile?: The mile originated from the Roman "mille passus" (1,000 paces), which was approximately 1,480 meters. The modern international mile (1,609.344 m) was standardized in 1959. Different types include statute mile, nautical mile, and survey mile.
What countries use miles for road signs?: The United States, United Kingdom, and a few other countries (Liberia, Myanmar) use miles for road signs. Most other countries use kilometers. Canada uses a mix - km/h for speed but miles on some older signs.
How do I convert fuel economy from mpg to L/100km?: To convert miles per US gallon to L/100 km: L/100km = 235.215 / mpg. For imperial gallons: L/100km = 282.481 / mpg. Example: 25 mpg = 9.41 L/100km.
What is the miles to km conversion for 100 miles?: 100 miles = 160.93 km. This is useful for road trips. Example: a 100-mile journey = approximately 161 km. At 60 mph (96.6 km/h), it takes about 1 hour 40 minutes.
How do I convert miles to km in Excel?: Use =A1*1.60934 to convert miles (in A1) to km. Or use =CONVERT(A1,"mi","km"). For reverse: =A1/1.60934 or =CONVERT(A1,"km","mi").
What is the difference between statute and nautical miles?: A statute mile (5,280 ft = 1,609 m) is used for land distances. A nautical mile (6,076 ft = 1,852 m) is used for maritime and aviation. 1 nautical mile = 1.1508 statute miles = 1.852 km.
How do I convert walking distances from miles to km?: Walking distances: 1 mile = 1.6 km (about 20 minutes walking), 2 miles = 3.2 km (40 min), 3 miles = 4.8 km (1 hour), 5 miles = 8.0 km (1 hour 40 min). Average walking speed: 3 mph ≈ 4.8 km/h.
How do I convert miles to km for driving?: Driving distances: 50 miles = 80.5 km, 100 miles = 160.9 km, 200 miles = 321.9 km, 300 miles = 482.8 km, 500 miles = 804.7 km. At 60 mph (96.6 km/h): 1 hour = 60 miles = 96.6 km.
What is the miles to km conversion for 26.2 miles?: 26.2 miles = 42.16 km (marathon distance). More precisely: 26.21875 miles (26 miles, 385 yards) = 42.195 km (exact marathon distance since 1921).
How do I convert km to miles mentally?: For quick mental conversion of km to miles: multiply by 6, then divide by 10 (km × 0.6). For miles to km: multiply by 5, then divide by 3 (miles × 5/3 ≈ miles × 1.667, close enough for estimation).
What is the history of the kilometer?: The kilometer was introduced in 1790s as part of the French metric system. It was defined as 1/10,000 of the distance from the equator to the North Pole (approximately). The meter is now defined by the speed of light.
How do I convert miles to km for cycling?: Cycling distances: 10 miles = 16.1 km (short ride), 25 miles = 40.2 km (medium), 50 miles = 80.5 km (long), 100 miles (century) = 160.9 km. Average cycling speed: 12-15 mph = 19-24 km/h.
How do I convert miles to km for air travel?: Air travel distances use nautical miles or statute miles. 1 nautical mile = 1.852 km. Flight distances: New York-London ≈ 3,459 miles = 5,567 km. Los Angeles-Tokyo ≈ 5,470 miles = 8,803 km.
What is the miles to km conversion for 1 mile?: 1 mile = 1.60934 km. Common reference: 1 mile ≈ 1.6 km. For exact calculations, use 1.609344. A mile is longer than a kilometer by about 60%.
How do I convert miles to km for GPS coordinates?: Latitude: 1 degree ≈ 69 miles ≈ 111 km. Longitude: distance varies with latitude (69 miles × cos(latitude)). GPS devices can typically display in either miles or km.
What is the miles to km conversion for race distances?: Track running: 400 m = 0.248 miles (1 lap), 800 m = 0.497 miles (2 laps), 1600 m = 0.994 miles (4 laps - almost exactly 1 mile). 5000 m = 3.107 miles, 10000 m = 6.214 miles.
How do I convert miles to km for hiking?: Hiking trails: Appalachian Trail ≈ 2,190 miles = 3,524 km. Pacific Crest Trail ≈ 2,650 miles = 4,265 km. Average hiking speed: 2-3 mph = 3.2-4.8 km/h (varies by terrain).
What is the miles to km conversion for 10 miles?: 10 miles = 16.0934 km. This is a common running distance (10-miler). For reference, 10 km = 6.214 miles. So 10 miles is about 60% longer than 10 km.
How do I convert miles to km for road trips?: Plan road trips: multiply mileage by 1.609 for km. US road trip examples: Route 66 ≈ 2,448 miles = 3,940 km. NYC to LA ≈ 2,800 miles = 4,506 km. Use this converter for trip planning.
What is the relationship between miles and kilometers?: 1 mile = 1.609344 km exactly (since 1959 international agreement). The ratio is approximately the golden ratio φ = 1.618. The conversion factor is defined to 6 decimal places for precision.
How do I convert miles to km for speed limits?: Speed limit conversions: 25 mph = 40 km/h (school zones), 55 mph = 89 km/h (highways, US), 65 mph = 105 km/h, 70 mph = 113 km/h, 75 mph = 121 km/h, 80 mph = 129 km/h (Texas).
What is the miles to km conversion for 5K?: A 5K race is 5 km = 3.107 miles. This is a very popular running distance. For training: 3 miles = 4.83 km ≈ 5K. A 5K at 8 min/mile pace takes about 25 minutes.