Miles per hour to feet per second (mph to ft/s)
Convert miles per hour to feet per second. For speed, 1 mph equals 1.466666667 ft/s.
Converter
mph to ft/s conversion table
| Miles per hour | Feet per second |
|---|---|
| 1 mph | 1.4666667 ft/s |
| 2 mph | 2.9333333 ft/s |
| 5 mph | 7.3333333 ft/s |
| 10 mph | 14.666667 ft/s |
| 25 mph | 36.666667 ft/s |
| 50 mph | 73.333333 ft/s |
| 100 mph | 146.66667 ft/s |
| 1000 mph | 1466.6667 ft/s |
Formula
ft/s = mph × 1.466666667
Worked example
25 mph × 1.466666667 = 36.66666667 ft/s
Popular conversion examples
Choose an example to open this converter with the value filled in. These are useful examples, not a claim about search rankings.
- 1 mph to ft/s = 1.46667 ft/s
- 5 mph to ft/s = 7.33333 ft/s
- 100 mph to ft/s = 146.667 ft/s
- 40 mph to ft/s = 58.6667 ft/s
- 3000 ft/s to mph = 2045.45 mph
- 100 ft/s to mph = 68.1818 mph
About miles per hour and feet per second
Mile per hour (mph)
A mile per hour is exactly 0.44704 meters per second. It is used for road speed limits and vehicle speeds in the US and UK.
Foot per second (ft/s)
A foot per second is exactly 0.3048 meters per second. It is used in ballistics, engineering and some sports measurements.
Both are units of speed; the base unit used internally is m/s.
Notes
- The knot is one international nautical mile per hour (1852/3600 m/s ≈ 0.514444 m/s).
- Negative values are accepted to represent velocity along a signed axis.
mph to ft/s FAQs
How do I convert miles per hour to feet per second?
Multiply the number of miles per hour by 1.466666667 to get feet per second. For example, 25 mph × 1.466666667 = 36.6667 ft/s.
How many feet per second are in one mile per hour?
1 mph = 1.466666667 ft/s and 1 ft/s = 0.6818181818 mph. To go the other way, use the feet per second to miles per hour converter.
How many feet per second are in 60 miles per hour?
60 mph = 88 ft/s, rounded to 6 significant digits. Change the value in the converter above for any other amount.
How many feet per second are in 100 miles per hour?
100 mph = 146.667 ft/s, rounded to 6 significant digits.
What is the formula for miles per hour to feet per second?
ft/s = mph × 1.466666667, where mph is the number of miles per hour and ft/s is the result in feet per second. The reverse is mph = ft/s × 0.6818181818.
Is the mph to ft/s conversion exact?
The ratio is exact by definition, but its decimal form does not end (1.46666666667… to 12 significant digits). The converter keeps full precision internally and rounds only the displayed answer, which you can set from 4 to 12 significant digits.
What is the difference between miles per hour and feet per second?
A mile per hour is exactly 0.44704 meters per second. It is used for road speed limits and vehicle speeds in the US and UK. A foot per second is exactly 0.3048 meters per second. It is used in ballistics, engineering and some sports measurements.
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Reverse: Feet per second to miles per hour.
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