1000 ft/s to mph
1000 ft/s ≈ 681.82 mph
1000 feet per second is approximately 681.82 miles per hour.
How to convert 1000 ft/s to mph
Use the formula mph = ft/s × 0.6818181818:
mph = 1000 × 0.6818181818mph = 681.818182
So 1000 ft/s = 681.818182 mph, or about 681.82 mph rounded.
Rounded values and quick estimate
- Rounded to a whole number: 682 mph
- Rounded to one decimal place: 681.8 mph
- Conversion factor: 1 foot per second = 0.6818 miles per hour
Quick mental estimate: multiply by 2/3. For 1000 ft/s that gives about 666.67 mph — off by 15.15 mph (2.2%). Use the exact formula when precision matters.
1000 ft/s in other units
- Miles per hour
- 681.82 mph
- Kilometers per hour
- 1097.28 km/h
- Knots
- 592.48 kn
- Meters per second
- 304.8 m/s
1000 ft/s and nearby values
| Feet per second | Miles per hour |
|---|---|
| 996 ft/s | 679.09 mph |
| 997 ft/s | 679.77 mph |
| 998 ft/s | 680.45 mph |
| 999 ft/s | 681.14 mph |
| 1000 ft/s | 681.82 mph |
| 1001 ft/s | 682.5 mph |
| 1002 ft/s | 683.18 mph |
| 1003 ft/s | 683.86 mph |
| 1004 ft/s | 684.55 mph |
About feet per second and miles per hour
Feet per second is a speed unit used in ballistics, engineering and sports. 1 ft/s ≈ 0.68 mph.
Miles per hour is the speed unit used on roads in the US and UK.
Related conversions
Frequently asked questions
What is 1000 ft/s in mph?
1000 feet per second is about 681.82 miles per hour (1000 ft/s ≈ 681.82 mph).
How do you convert 1000 ft/s to mph?
Apply mph = ft/s × 0.6818181818: mph = 1000 × 0.6818181818, mph = 681.818182.
How many feet per second is 681.82 mph?
681.82 mph is about 1000 feet per second.