At One Place

Feet per second to miles per hour

1 foot per second in miles per hour
1 ft/s = 0.68182 mph
mph = ft/s × 15/22

To convert feet per second to miles per hour, multiply by 0.6818181818. The table below gives the values people look up most often, and the converter works for any number.

Feet per second to miles per hour table

Common foot per second values converted to miles per hour.
Feet per second Miles per hour
1 ft/s 0.68182
2 ft/s 1.363636
3 ft/s 2.045455
4 ft/s 2.727273
5 ft/s 3.409091
10 ft/s 6.818182
15 ft/s 10.22727
20 ft/s 13.63636
25 ft/s 17.04545
30 ft/s 20.45455
40 ft/s 27.27273
50 ft/s 34.09091
75 ft/s 51.13636
100 ft/s 68.18182
250 ft/s 170.4545
500 ft/s 340.9091
1,000 ft/s 681.8182

How the conversion works

The relationship is mph = ft/s × 15/22. Both units measure speed, so the conversion is a fixed factor that never changes.

Common questions

How many miles per hour are in one foot per second?
One foot per second equals 0.68182 miles per hour. mph = ft/s × 15/22.
How do you convert feet per second to miles per hour?
Use mph = ft/s × 15/22. So 10 ft/s is 6.818182 mph.
How many feet per second are in one mile per hour?
One mile per hour equals 1.466667 feet per second, which is the reverse of the conversion above.

Related pages

Sources

  1. Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
  2. The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
  3. Calculated on this page — At One Place

How these figures are compiled and checked