Instant · Precise · Universal
32 units available
7 categories total
To ft/s: × 3. To m/s: × 0.9144. To mph: × 2.045.
1 yd/s = 0.9144 m/s = 3.29 km/h = 2.045 mph = 3 ft/s.
For example, 1 Yard per Second (yd/s) = 10800 Foot per Hour (ft/h).
| Yard per Second (yd/s) | Foot per Hour (ft/h) |
|---|---|
| 0.1 | 1080 |
| 0.5 | 5400 |
| 1 | 10800 |
| 2 | 21600 |
| 5 | 54000 |
| 10 | 108000 |
| 25 | 270000 |
| 50 | 540000 |
| 100 | 1080000 |
| 500 | 5400000 |
| 1000 | 10800000 |
Yard per second measures distance in yards traveled in one second.
1 yd/s = 0.9144 m/s = 3.29 km/h = 2.045 mph = 3 ft/s.
To ft/s: × 3. To m/s: × 0.9144. To mph: × 2.045.
Sprint speeds in track and field (10–12 yd/s for elite sprinters), projectile velocities, and some fluid flow measurements.
Usain Bolt peak: ~13.5 yd/s. NFL wide receiver sprint: ~11 yd/s. Baseball thrown: ~40–45 yd/s.
Confusing with ft/s — yd/s is 3× faster. Mixing up with mph.
1 yd/s = 3 ft/s = 0.9144 m/s. Multiply by ~2 to get approximate mph.
Foot per hour measures distance in feet traveled over one hour. Used for very slow movements in imperial units.
1 ft/h = 0.000085 m/s = 0.0003048 km/h = 0.3048 m/h.
To ft/s: ÷ 3,600. To mph: ÷ 5,280. To m/s: × 0.000085.
Glacier movement in US studies, very slow industrial processes, and some geological measurements.
Some glaciers move at 50–500 ft/h. Very slow conveyor systems might use this unit.
Confusing with ft/min (60× faster) or ft/s (3,600× faster).
5,280 ft/h = 1 mph. Extremely slow. Rarely used outside specialized contexts.



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