--- title: "4 mi to km = 6.437376 km" description: "4 miles is 6.437376 kilometers. The arithmetic, a table of nearby values, and a converter for any other number." url: https://atoneplace.net/convert/4-miles-to-km/ site: "At One Place" --- # 4 mi to km **4 miles in kilometers: 4 mi = 6.437376 km** km = mi × 1.609344 4 miles is 6.437376 kilometers. To get there, multiply by 1.609344. ## Values either side *Miles near 4, converted to kilometers.* | Miles | Kilometers | | --- | --- | | 1.5 mi | 2.414016 | | 2 mi | 3.218688 | | 2.5 mi | 4.02336 | | 3 mi | 4.828032 | | 4 mi ← | 6.437376 | | 5 mi | 8.04672 | | 6 mi | 9.656064 | | 7 mi | 11.26541 | | 8 mi | 12.87475 | ## How the conversion works The relationship is km = mi × 1.609344. Both units measure length, so the conversion is a fixed factor that never changes. The figure is exact rather than approximate: since the international yard and pound agreement of 1959, an inch is defined as exactly 25.4 millimetres and a pound as exactly 0.45359237 kilograms, and every other imperial and US customary unit here is derived from those two. ## Common questions ### What is 4 mi in kilometers? 4 mi is 6.437376 km. ### How do you convert miles to kilometers? Multiply by 1.609344. ## Related pages - [Miles to kilometers](https://atoneplace.net/convert/miles-to-km/) - [4 km to mi](https://atoneplace.net/convert/4-km-to-miles/) - [1.5 mi to km](https://atoneplace.net/convert/1-5-miles-to-km/) - [2 mi to km](https://atoneplace.net/convert/2-miles-to-km/) - [2.5 mi to km](https://atoneplace.net/convert/2-5-miles-to-km/) - [3 mi to km](https://atoneplace.net/convert/3-miles-to-km/) - [5 mi to km](https://atoneplace.net/convert/5-miles-to-km/) - [6 mi to km](https://atoneplace.net/convert/6-miles-to-km/) - [7 mi to km](https://atoneplace.net/convert/7-miles-to-km/) - [8 mi to km](https://atoneplace.net/convert/8-miles-to-km/) ## Sources - Guide for the Use of the International System of Units (SP 811) — NIST (https://www.nist.gov/pml/special-publication-811) [Public domain (US Government)] - The International System of Units (SI Brochure) — Bureau International des Poids et Mesures (https://www.bipm.org/en/publications/si-brochure) - Calculated on this page — At One Place (/about/)