Conversion

Miles per Hour to Feet per Second Converter

1 mile per hour = 1.466666667 ft/s. Enter any value to convert miles per hour (mph) to feet per second (ft/s), or use the table below for common values.

Results

1 mph =1.466666667 ft/smiles per hour → feet per second
1 mph1.466666667 ft/s
1 ft/s0.6818181818 mph
Formula
ft/s = mph × 1.466666667
1 mph in other units
1 mph in other units
UnitValue
kilometers per hour (km/h)1.609344
meters per second (m/s)0.44704
feet per second (ft/s)1.466666667
knots (kn)0.8689762419

Formula

ft/s = mph × 1.466666667

Example: 10 mph = 14.66666667 ft/s. To convert the other way, use mph = ft/s × 0.6818181818.

Quick mental estimate: multiply by about 1.5.

Miles per Hour to Feet per Second conversion table

Miles per Hour (mph)Feet per Second (ft/s)
1 mph1.466666667 ft/s
5 mph7.333333333 ft/s
10 mph14.66666667 ft/s
20 mph29.33333333 ft/s
30 mph44 ft/s
40 mph58.66666667 ft/s
50 mph73.33333333 ft/s
60 mph88 ft/s
70 mph102.6666667 ft/s
80 mph117.3333333 ft/s
90 mph132 ft/s
100 mph146.6666667 ft/s
120 mph176 ft/s
150 mph220 ft/s
200 mph293.3333333 ft/s
300 mph440 ft/s

About miles per hour and feet per second

Miles per hour is the road speed unit in the United States and the United Kingdom.

The foot per second is used in US engineering, ballistics and fluid flow.

Other Speed conversions

Frequently asked questions

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

Use the formula ft/s = mph × 1.466666667. For example, 10 mph = 14.66666667 ft/s.

What is 1 mile per hour in feet per second?

1 mph = 1.466666667 ft/s.

How do I convert feet per second back to miles per hour?

Use mph = ft/s × 0.6818181818. 1 ft/s = 0.6818181818 mph.