Furlongs to Miles Converter

How to use the furlongs to miles converter

1. Enter a number in the Furlongs field to convert to miles, or enter a number in the Miles field to convert to furlongs.
2. The result updates automatically as you type.
3. Use the converted value to understand race distances or land measurements.

How the furlongs to miles conversion works

The relationship between these two units is fixed: one statute mile equals exactly eight furlongs. To convert furlongs to miles, divide the number of furlongs by eight. To go the other way, multiply miles by eight.

For example, the Kentucky Derby is run at 10 furlongs. Dividing 10 by 8 gives 1.25 miles. Conversely, if a race card lists a distance of 0.75 miles, multiplying by 8 tells you it is a six-furlong sprint.

Common horse racing distances

Horse races are traditionally measured in furlongs in the United States, the United Kingdom, Ireland, and Australia. Here is a reference table of frequently used distances:

What is a furlong?

A furlong is a unit of length in the imperial and US customary systems equal to one-eighth of a mile, 220 yards, 660 feet, or exactly 201.168 meters. The word comes from Old English furh (furrow) and lang (long), originally describing the length of a furrow in a ploughed acre of open-field farmland.

While the furlong has largely disappeared from everyday use, it remains the standard unit for measuring horse racing distances in English-speaking countries. It also appears occasionally in rural land descriptions in the UK and US. For larger historical distances, you might encounter leagues to miles, where one league traditionally equals three miles or 24 furlongs.

Reading a race card

Race cards in North America typically list distances in furlongs or fractions of a mile. A race listed as "6f" means six furlongs, which is three-quarters of a mile. In the UK and Ireland, distances are often written in miles and furlongs together, such as "1m 2f" for one mile and two furlongs (ten furlongs total, or 1.25 miles).

Understanding how to convert furlongs to miles helps bettors compare races across different jurisdictions. A horse that excels at 1,200 meters in Europe is running roughly six furlongs, or 0.75 miles, in American terms. If you need to convert area measurements for track properties, tools like sq miles to sq km can be helpful.

Exact conversion factors

Because the international yard was standardized in 1959, all imperial length conversions are now exact. One furlong is exactly 201.168 meters, and one mile is exactly 1,609.344 meters. The ratio of 1,609.344 divided by 201.168 is precisely 8, confirming that there are no rounding errors when converting between furlongs and miles.

This exactness means that fractional furlongs convert cleanly. Five and a half furlongs is exactly 0.6875 miles, and six and a half furlongs is exactly 0.8125 miles. You will never encounter repeating decimals in this particular conversion.

Worked examples

Each result below was produced by the same code the tool runs, so you can check your own numbers against them.