Convert Inches per Second to Miles per Hour
Convert Inches per Second (in/s) to Miles per Hour (mph) instantly and accurately.
Conversion Formula
mph = in/s × 0.05681818182
About Inches per Second
An inch per second (in/s) = exactly 0.0254 m/s = 25.4 mm/s. Professional reel-to-reel audio tape runs at 15 or 30 IPS; consumer tape decks at 1⅞ IPS; VHS at ~1.3 IPS. High-speed CNC axes rapid at 800-1,200 in/min ≈ 13-20 in/s. Pneumatic cylinder speeds and robotic end-effector approach speeds in US assembly plants are programmed in in/s. 1 in/s = 0.0254 m/s = 5 ft/min.
About Miles per Hour
A mile per hour (mph) = exactly 0.44704 m/s - the primary road speed unit in the US, UK, and a few other countries. US interstate limits 65-85 mph; UK motorway 70 mph. Walking ~3-4 mph; club cycling 20-25 mph. MLB elite fastball 100 mph (44.7 m/s). Saffir-Simpson Category 5 hurricane ≥157 mph. Boeing 737 MAX cruises at ~521 mph (Mach 0.79). 1 mph = 0.44704 m/s = 1.60934 km/h = 0.86898 kn.
Quick Reference Table
| Inches per Second (in/s) | Miles per Hour (mph) |
|---|---|
| 1 in/s | 0.0568182 mph |
| 2 in/s | 0.113636 mph |
| 5 in/s | 0.284091 mph |
| 10 in/s | 0.568182 mph |
| 25 in/s | 1.42045 mph |
| 50 in/s | 2.84091 mph |
| 100 in/s | 5.68182 mph |