FPS to MPH Converter
Convert feet per second to miles per hour instantly. One foot per second equals exactly 0.6818182 miles per hour. Type in either box to convert both ways, then use the chart, worked examples and everyday sizes below.
How to convert feet per second to miles per hour
Worked example: convert 15 feet per second to miles per hour. Using miles per hour ← feet per second × 0.6818181818, we get 15 × 0.6818181818 = 10.227273 mph. To check the result, convert back: 10.227273 mph ÷ 0.6818181818 = 15 ft/s.
Feet per second to miles per hour chart
| Feet per second (ft/s) | Miles per hour (mph) |
|---|---|
| 1 ft/s | 0.6818182 mph |
| 2 ft/s | 1.363636 mph |
| 3 ft/s | 2.045455 mph |
| 4 ft/s | 2.727273 mph |
| 5 ft/s | 3.409091 mph |
| 6 ft/s | 4.090909 mph |
| 8 ft/s | 5.454545 mph |
| 10 ft/s | 6.818182 mph |
| 12 ft/s | 8.181818 mph |
| 15 ft/s | 10.22727 mph |
| 20 ft/s | 13.63636 mph |
| 25 ft/s | 17.04545 mph |
| 30 ft/s | 20.45455 mph |
| 40 ft/s | 27.27273 mph |
| 50 ft/s | 34.09091 mph |
| 75 ft/s | 51.13636 mph |
| 100 ft/s | 68.18182 mph |
| 150 ft/s | 102.2727 mph |
| 200 ft/s | 136.3636 mph |
| 250 ft/s | 170.4545 mph |
| 500 ft/s | 340.9091 mph |
| 1,000 ft/s | 681.8182 mph |
Miles per hour to feet per second (reverse)
| Miles per hour (mph) | Feet per second (ft/s) |
|---|---|
| 1 mph | 1.466667 ft/s |
| 2 mph | 2.933333 ft/s |
| 5 mph | 7.333333 ft/s |
| 10 mph | 14.66667 ft/s |
| 20 mph | 29.33333 ft/s |
| 50 mph | 73.33333 ft/s |
| 100 mph | 146.6667 ft/s |
| 250 mph | 366.6667 ft/s |
| 500 mph | 733.3333 ft/s |
| 1,000 mph | 1,466.667 ft/s |
About the foot per second and the mile per hour
Feet per second is used in US ballistics, baseball pitch analysis and some engineering tables.
Miles per hour is the speed unit on road signs and speedometers in the United States and United Kingdom.
One mile per hour equals 1.466667 feet per second, which makes the mile per hour the faster unit of the two.
Everyday sizes in feet per second and miles per hour
| Everyday example (approximate) | In feet per second | In miles per hour |
|---|---|---|
| A slow walk | 4.5932 ft/s | 3.1317 mph |
| A jogger | 9.8425 ft/s | 6.7108 mph |
| A city cyclist | 18.045 ft/s | 12.303 mph |
| Usain Bolt's peak sprint speed | 40.682 ft/s | 27.738 mph |
| A car on a city road | 45.571 ft/s | 31.071 mph |
| A car on a highway | 91.142 ft/s | 62.142 mph |
Feet per second to miles per hour FAQ
How many miles per hour are in one foot per second?
One foot per second equals exactly 0.6818181818 miles per hour. In the other direction, one mile per hour equals 1.4666667 feet per second.
How do I convert feet per second to miles per hour without a calculator?
convert 15 feet per second to miles per hour. Using miles per hour ← feet per second × 0.6818181818, we get 15 × 0.6818181818 = 10.227273 mph. To check the result, convert back: 10.227273 mph ÷ 0.6818181818 = 15 ft/s. For a quick estimate, round the factor to 0.68. Then 15 ft/s is about 10.2 mph, compared with the exact 10.2273 mph (an error of 0.27%). That is close enough for planning, but use the calculator above when the number matters.
What is a jogger in miles per hour?
A jogger is about 9.8425 feet per second, which is 6.7108 miles per hour. Treat that as an approximate everyday figure rather than an official measurement.
Are the feet per second and miles per hour the same in every country?
One foot per second is exactly 0.3048 m/s. One mile per hour is exactly 0.44704 m/s.