Distance Converter – km to Miles and Miles to km

How to use Distance Converter

1. Type the distance.
2. Choose the unit you have, such as kilometres.
3. Choose the unit you need, such as miles.
4. Read or copy the result.
5. Check the table of running distances for races.

Kilometres and miles

A mile is exactly 1,609.344 metres, so one kilometre is about 0.621 miles. For quick estimates, multiply kilometres by 0.6, or use the Fibonacci trick: 5 km ≈ 3 mi, 8 km ≈ 5 mi, 13 km ≈ 8 mi.

Running distances

Race names are usually metric — 5K, 10K, half marathon and marathon — even in the US, where training plans count miles. The converter shows the standard race distances in both units so you can plan your pace. To work out your pace per kilometre or per mile, use the Speed Converter, which shows pace and time for any speed.

Road trips and travel

Speed limits and road signs use miles in the US and UK and kilometres almost everywhere else. A 300 km drive is about 186 miles. Fuel economy also changes units: litres per 100 km in Europe and miles per gallon in the US — the Fuel Economy Converter handles that, and the Fuel Cost Calculator calculator estimates the price of a trip.

Nautical miles

At sea and in aviation, distances use nautical miles (1,852 m), and speeds use knots (nautical miles per hour). One nautical mile is about 1.15 ordinary miles.

Shorter distances

For centimetres, inches and feet, the Length Converter is easier because it includes millimetres and micrometres. Popular conversions such as 10 km to miles and 26 miles to km also have their own pages. All calculations run in your browser.

Walking and cycling

A brisk walk covers about 5 km (3.1 miles) per hour, and a relaxed bike ride about 15–20 km (9–12 miles) per hour. Fitness trackers and apps usually let you switch between kilometres and miles in their settings, so your weekly totals match the training plan you follow. Hiking maps use kilometres in most countries and miles in the US and UK.

You may also find these free tools useful: Cooking Measurement Converter, Area Converter and Weight Converter.