1 foot per second = 0.681818 miles per hour
Convert feet per second to miles per hour.
Both directions on one page — swap the units and the whole thing runs backwards.
Type a value, or “5cm to in”
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The formula
mph = ft/s × 0.681818
Worked through with a real value: 10 feet per second = 6.81818 miles per hour.
Going the other way: ft/s = mph × 1.46667, so 1 mile per hour = 1.46667 feet per second.
What each unit is
- foot per second ft/s
- How many feet are covered each second, often used in engineering and physics applications.
- mile per hour mph
- How many miles are covered each hour, used for road speeds in the USA, UK, and a few other countries.
Where these come from
- 1 foot per second = 0.3048 meters per second
- 1 mile per hour = 0.44704 meters per second
Every other number on this page is computed from those, and each category is pinned to conversions worked out by hand from the units' primary definitions before it ships.
Conversion tables
| feet per second (ft/s) | miles per hour (mph) |
|---|---|
| 1 | 0.681818 |
| 2 | 1.36364 |
| 3 | 2.04545 |
| 4 | 2.72727 |
| 5 | 3.40909 |
| 6 | 4.09091 |
| 7 | 4.77273 |
| 8 | 5.45455 |
| 9 | 6.13636 |
| 10 | 6.81818 |
| 20 | 13.6364 |
| 25 | 17.0455 |
| 50 | 34.0909 |
| 75 | 51.1364 |
| 100 | 68.1818 |
| miles per hour (mph) | feet per second (ft/s) |
|---|---|
| 1 | 1.46667 |
| 2 | 2.93333 |
| 3 | 4.4 |
| 4 | 5.86667 |
| 5 | 7.33333 |
| 6 | 8.8 |
| 7 | 10.2667 |
| 8 | 11.7333 |
| 9 | 13.2 |
| 10 | 14.6667 |
| 20 | 29.3333 |
| 25 | 36.6667 |
| 50 | 73.3333 |
| 75 | 110 |
| 100 | 146.667 |
Questions
How many miles per hour are in a foot per second?
1 foot per second = 0.681818 miles per hour.
How do I convert feet per second to miles per hour?
Use mph = ft/s × 0.681818. For example, 10 feet per second = 6.81818 miles per hour.
How many feet per second are in one mile per hour?
1 mile per hour = 1.46667 feet per second.
What is 10 feet per second in miles per hour?
10 feet per second = 6.81818 miles per hour.
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