The US survey foot is 1200/3937 meters and is retained for legacy land records.
US survey feet to Miles Converter — ftUS to mi
Convert US survey foot (ftUS) to Mile (mi) using the exact conversion factor (1 us survey foot = 0.0001893943 mile). See the formula, worked examples, conversion table, history, and common uses.
US survey feet to Miles converter
Converter
Length Converter
Convert SI, imperial, US customary, astronomical, scientific, and historical length units.
Context values
Some unit families need one extra value for a physically accurate result.
A statute mile is exactly 1,609.344 meters.
Result = input x 0.3048006096 / 1609.344.
Length uses the meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting US survey feet to Miles
US survey foot and Mile both measure length. Specifically: The US survey foot is 1200/3937 meters and is retained for legacy land records, and a statute mile is exactly 1,609.344 meters.
Formula
miles = us survey feet × 0.000189394318183
This factor comes from each unit's defined relationship to the category's base unit: 1 us survey foot equals 0.304800609601 base units, and 1 mile equals 1609.344 base units, so dividing one by the other gives the direct us survey foot-to-mile factor of 0.000189394318183.
Simple example
1 ftUS × 0.0001893943182 = 0.0001893943 mi
1 us survey foot = 0.0001893943 miles.
Real-world example
10 ftUS × 0.0001893943182 = 0.0018939432 mi
10 us survey feet = 0.0018939432 miles.
Conversion table
| US survey foot (ftUS) | Mile (mi) |
|---|---|
| 1 ftUS | 0.0001893943 mi |
| 5 ftUS | 0.0009469716 mi |
| 10 ftUS | 0.0018939432 mi |
| 21.0975 ftUS | 0.0039957466 mi |
| 42.195 ftUS | 0.0079914933 mi |
| 100 ftUS | 0.0189394318 mi |
Reverse conversion: Mile to US survey foot
0.0001893943 mi × 5279.98944 = 0.999999904 ftUS
0.0001893943 miles = 0.999999904 us survey feet.
us survey feet = miles × 5279.98944
For a page dedicated to this direction, see Mile to US survey foot.
Understanding the US survey foot (ftUS)
The US survey foot is 1200/3937 meters and is retained for legacy land records.
Understanding the Mile
Mile (mi) measures distance. The international statute mile is defined as exactly 1,609.344 meters (5,280 feet). It is classified as a US/imperial customary unit.
Where it's used: United States United Kingdom (road distances and speed limits)
Uses of the Mile today
- Road signage, speed limits, and odometers in the US and UK
- Everyday distance estimates in US/UK contexts
- Aviation and marine contexts use the related but distinct nautical mile instead
History of the Mile
The mile traces back to the Roman 'mille passus' ('a thousand paces'), about 1,000 double-steps of a marching legion, roughly 1,480 meters. The English statute mile diverged from this over the medieval period.
Elizabeth I's government fixed the English statute mile at 5,280 feet in 1593, replacing the old Roman-derived value so it would align evenly with the furlong (660 ft), a unit already standard in English land measurement.
The modern international mile (1,609.344 m exactly) was fixed by the same 1959 International Yard and Pound Agreement that standardized the pound, tying it to the internationally agreed yard of exactly 0.9144 meters.
Historical origin. Mile was not the invention of a single named person; it developed through the process described above.
Mile — sources
- NIST — International yard and pound (1959) — Fixes the modern mile via the international yard.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many miles are in 1 us survey foot?
1 us survey foot equals 0.0001893943 miles, using the exact defined conversion factor rather than an estimate.
How do I convert us survey foot to mile?
Multiply the us survey foot value by 0.0001893943182. The converter above does this instantly to whatever precision you set.
How do I convert mile back to us survey foot?
Use the reverse factor: 1 mile equals 5,279.98944 us survey feet. You can also use the swap control in the converter above to flip the direction instantly.
What is a us survey foot?
US survey foot (ftUS) is a unit of length.
What is a mile?
Mile (mi) measures distance. The international statute mile is defined as exactly 1,609.344 meters (5,280 feet). It is classified as a US/imperial customary unit.
Is the us survey foot to mile conversion exact?
Yes. The international statute mile is defined as exactly 1,609.344 meters (5,280 feet). That fixed definition is what the converter above uses, so any rounding you see is a display choice, not a limitation of the math.