Feet per Second to Miles per Hour Converter
Convert feet per second to miles per hour using the formula ft/s × 0.681818 = mph. The calculator below shows higher precision results. The reference table is rounded for readability.
Formula and Step-by-Step
ft/s × 0.681818 = mph
Step-by-step: 1 ft/s to mph
- Start with 1 ft/s
- Multiply by 0.681818: 1 × 0.681818 = 0.6818
- Result: 1 ft/s = 0.6818 mph
Conversion Table
Common feet per second to miles per hour values. The table and calculator both use the same conversion formula shown above.
| Feet per Second (ft/s) | Miles per Hour (mph) |
|---|---|
| 1 ft/s | 0.6818 mph |
| 2 ft/s | 1.36 mph |
| 5 ft/s | 3.41 mph |
| 10 ft/s | 6.82 mph |
| 25 ft/s | 17.05 mph |
| 50 ft/s | 34.09 mph |
| 100 ft/s | 68.18 mph |
| 250 ft/s | 170.45 mph |
| 500 ft/s | 340.91 mph |
| 1,000 ft/s | 681.82 mph |
What Are Feet per Second and Miles per Hour?
What is a Foot per Second?
Feet per second (ft/s) is an imperial unit of speed used in ballistics, engineering, and some US-based applications.
What is a Mile per Hour?
Miles per hour (mph) is a unit of speed used primarily in the United States and United Kingdom for road speed limits and vehicle speeds.
Why convert feet per second to miles per hour?
People typically convert feet per second to miles per hour when converting ballistic or engineering speeds to everyday road speed units.
Frequently Asked Questions
1 foot per second equals 0.6818 miles per hour.
The formula is: ft/s × 0.681818 = mph. See the ft/s to mph formula page for step-by-step worked examples.
Use the miles per hour to feet per second converter. 1 mph = 1.47 ft/s.
Yes. The conversion uses the formula ft/s × 0.681818 = mph. The conversion factor is defined by international standards. Displayed values are rounded for readability. Table values are rounded for quick reference.
Apply the formula ft/s × 0.681818 = mph. For quick estimates, round the factor to a simpler number.