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Convert feet per second to miles per hour (ft/s to mph)

Type a value in feet per second or in miles per hour: the other field updates as you type. Below you will find the formula, a worked example and a ft/s to mph chart.

Updated on

1 ft/s = 0.681818 mph

How to convert feet per second to miles per hour

Formula: mph = ft/s × 0.681818

Worked example: 10 ft/s → 10 × 0.681818 = 6.81818 mph

Feet per second to miles per hour conversion chart

Feet per second (ft/s)Miles per hour (mph)
1 ft/s0.681818 mph
2 ft/s1.36364 mph
3 ft/s2.04545 mph
4 ft/s2.72727 mph
5 ft/s3.40909 mph
6 ft/s4.09091 mph
7 ft/s4.77273 mph
8 ft/s5.45455 mph
9 ft/s6.13636 mph
10 ft/s6.81818 mph
12 ft/s8.18182 mph
15 ft/s10.2273 mph
20 ft/s13.6364 mph
25 ft/s17.0455 mph
30 ft/s20.4545 mph
40 ft/s27.2727 mph
50 ft/s34.0909 mph
75 ft/s51.1364 mph
100 ft/s68.1818 mph

What is a foot per second?

The foot per second is exactly 0.3048 m/s, or about 0.68 mph. It appears in US engineering, fluid flow, ballistics (muzzle velocity) and physics homework that uses customary units.

What is a mile per hour?

The mile per hour is the unit of speed limits in the United States and the United Kingdom. Since a mile is exactly 1.609344 km, 1 mph is exactly 1.609344 km/h. Baseball pitches, wind speeds in US forecasts and treadmill displays also use mph.

Frequently asked questions

How many miles per hour are in a foot per second?

A foot per second equals 0.681818 miles per hour. To convert any value, multiply the number of feet per second by 0.681818.

How do you convert feet per second to miles per hour?

Use the formula mph = ft/s × 0.681818. Example: 10 ft/s → 10 × 0.681818 = 6.81818 mph.

How many feet per second are in a mile per hour?

A mile per hour equals 1.46667 feet per second. That is the reverse conversion, from miles per hour to feet per second.

Results are rounded to 6 significant digits; the conversion factors are the exact legal definitions.