Convert feet per second to miles per hour instantly. 100 ft/s = 68.18182 mph.
1 ft/s = 0.6818182 mph
To convert feet per second to miles per hour, use the formula mph = ft/s × 0.6818182. In other words, multiply the number of feet per second by 0.6818182 to get the equivalent in miles per hour. For example, 100 ft/s equals 68.18182 mph.
| Feet per Second (ft/s) | MPH (mph) |
|---|---|
| 1 ft/s | 0.6818182 mph |
| 5 ft/s | 3.409091 mph |
| 10 ft/s | 6.818182 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 |
| 60 ft/s | 40.90909 mph |
| 70 ft/s | 47.72727 mph |
| 80 ft/s | 54.54545 mph |
| 90 ft/s | 61.36364 mph |
| 100 ft/s | 68.18182 mph |
| 110 ft/s | 75 mph |
| 120 ft/s | 81.81818 mph |
| 130 ft/s | 88.63636 mph |
| 150 ft/s | 102.2727 mph |
| 200 ft/s | 136.3636 mph |
| 300 ft/s | 204.5455 mph |
The foot per second (ft/s) and the mile per hour (mph) are both units of speed. This page gives you an instant, exact conversion between them, a reference table for the most common values, and the underlying formula so you can check the maths yourself. All calculations run in your browser — nothing you type is sent anywhere.
Need to go the other way? Use the MPH to Feet per Second converter. For all units at once, try the full Speed Converter.
Use the formula mph = ft/s × 0.6818182. For example, 100 ft/s equals 68.18182 mph. Just enter your value in the converter above to get an instant result.
1 ft/s = 0.6818182 mph. You can multiply any number of feet per second by this figure to convert it, or use the calculator above for exact results.
Use the reverse conversion: 1 mph = 1.466667 ft/s. Our MPH to Feet per Second converter does this for you.