84.2 mph ≈ 123.493 ftps. To convert miles per hour to feet per second, multiply by 1.4666679: 84.2 × 1.4666679 = 123.493.
How to convert miles per hour to feet per second
ftps = mph × 1.4666679
- 1 mph = 1.4666679 ftps (and 1 ftps = 0.68181759 mph).
- Multiply the amount by the factor: 84.2 × 1.4666679 = 123.493.
- Answer: 84.2 mph ≈ 123.493 ftps (rounded to 6 significant figures).
Miles Per Hour to Feet Per Second table
| Miles Per Hour (mph) | Feet Per Second (ftps) |
|---|---|
| 83.7 mph | 122.76 ftps |
| 83.8 mph | 122.907 ftps |
| 83.9 mph | 123.053 ftps |
| 84 mph | 123.2 ftps |
| 84.1 mph | 123.347 ftps |
| 84.2 mph | 123.493 ftps |
| 84.3 mph | 123.64 ftps |
| 84.4 mph | 123.787 ftps |
| 84.5 mph | 123.933 ftps |
| 84.6 mph | 124.08 ftps |
| 84.7 mph | 124.227 ftps |
| mph | ftps |
|---|---|
| 1 mph | 1.4667 ftps |
| 5 mph | 7.3333 ftps |
| 10 mph | 14.6667 ftps |
| 50 mph | 73.3334 ftps |
| 100 mph | 146.667 ftps |
| 1,000 mph | 1,466.67 ftps |