Foot per second to Mile per hour Converter
Type a value — the answer appears instantly. 1 ft/s = 0.681818 mph.
Reviewed by the OmniCalc teamMethod verified 2026-07-01
0.681818 miles per hour
= 1.09728 km/h= 0.3048 m/s
equals 0.681818 miles per hourFormula: mph = ft/s × 0.68181818
Foot per second to Mile per hour formula
mph = ft/s × 0.68181818
Convert 5 feet per second to miles per hour
- Start with 5 feet per second.
- Multiply by the conversion factor: 5 × 0.681818 = 3.40909.
- So 5 ft/s = 3.40909 mph.
Foot per second to Mile per hour conversion table
| Feet per second (ft/s) | Miles per hour (mph) |
|---|---|
| 0.01 ft/s | 0.00681818 mph |
| 0.1 ft/s | 0.0681818 mph |
| 0.25 ft/s | 0.170455 mph |
| 0.5 ft/s | 0.340909 mph |
| 1 ft/s | 0.681818 mph |
| 2 ft/s | 1.36364 mph |
| 3 ft/s | 2.04545 mph |
| 4 ft/s | 2.72727 mph |
| 5 ft/s | 3.40909 mph |
| 6 ft/s | 4.09091 mph |
| 7 ft/s | 4.77273 mph |
| 8 ft/s | 5.45455 mph |
| 9 ft/s | 6.13636 mph |
| 10 ft/s | 6.81818 mph |
| 15 ft/s | 10.2273 mph |
| 20 ft/s | 13.6364 mph |
| 25 ft/s | 17.0455 mph |
| 30 ft/s | 20.4545 mph |
| 40 ft/s | 27.2727 mph |
| 50 ft/s | 34.0909 mph |
| 75 ft/s | 51.1364 mph |
| 100 ft/s | 68.1818 mph |
| 250 ft/s | 170.455 mph |
| 500 ft/s | 340.909 mph |
| 1,000 ft/s | 681.818 mph |
| 5,000 ft/s | 3,409.09 mph |
| 10,000 ft/s | 6,818.18 mph |
Unit definitions
What is a foot per second?
The foot per second is a US customary speed unit, the distance in feet covered each second. It is used in ballistics, physics problems, and some engineering fields. One foot per second is exactly 0.3048 metres per second.
What is a mile per hour?
The mile per hour is the customary speed unit in the United States and United Kingdom for road traffic and speed limits. It equals one statute mile travelled in one hour. One mile per hour is about 1.609 kilometres per hour.
Frequently asked questions
How many miles per hour are in one foot per second?
One foot per second equals 0.681818 miles per hour (1 ft/s = 0.681818 mph).
How do I convert feet per second to miles per hour?
Multiply the value in feet per second by 0.681818. For example, 10 ft/s × 0.681818 = 6.81818 mph.
Which is bigger — a foot per second or a mile per hour?
A mile per hour is bigger: one mile per hour contains 1.46667 feet per second.
Is this foot per second to mile per hour converter free?
Yes — the converter is free, works offline once loaded, and computes instantly in your browser without sending your numbers to a server.
Conversion factors follow international definitions (SI / NIST). Last verified 2026-07-01.