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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) = 180 Foot per Minute (ft/min).
| Yard per Second (yd/s) | Foot per Minute (ft/min) |
|---|---|
| 0.1 | 18 |
| 0.5 | 90 |
| 1 | 180 |
| 2 | 360 |
| 5 | 900 |
| 10 | 1800 |
| 25 | 4500 |
| 50 | 9000 |
| 100 | 18000 |
| 500 | 90000 |
| 1000 | 180000 |
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 minute measures distance in feet traveled in one minute. Common in US industrial and HVAC applications.
1 ft/min = 0.00508 m/s = 0.01829 km/h = 0.3048 m/min.
To ft/s: ÷ 60. To m/s: × 0.00508. To mph: ÷ 88.
HVAC duct air velocity (600–2,000 fpm), conveyor belts (50–300 fpm), elevator speeds (200–1,500 fpm), and escalators (90–120 fpm).
Typical HVAC duct: 800–1,200 fpm. High-rise elevator: 1,000 fpm. Airport moving walkway: 140 fpm.
Confusing ft/min with ft/s — ft/min is 60× slower. Mixing fpm with mph.
60 ft/min = 1 ft/s. ~88 ft/min = 1 mph. Essential for HVAC calculations in the US.



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