Convert Inches per Minute to Feet per Minute
Convert Inches per Minute (in/min) to Feet per Minute (ft/min) instantly and accurately.
Conversion Formula
ft/min = in/min × 0.08333333333
About Inches per Minute
An inch per minute (in/min) ≈ 0.4233 mm/s - the standard North American machining feed unit for slow precision cuts. CNC milling in titanium or nickel superalloys: HSS roughing 2-8 in/min; carbide finishing 15-40 in/min. Thread-tapping feeds are calculated in in/min from pitch × RPM. Hydraulic press platen closure for rubber moulding and laminate pressing: 0.05-2 in/min. 1 in/min = 0.0254 m/min ≈ 4.233 × 10⁻⁴ m/s.
About Feet per Minute
A foot per minute (ft/min) = 5.08 × 10⁻³ m/s - the US standard for elevator speed, HVAC duct velocity, and conveyor speed. Residential lifts: 100-200 ft/min; commercial 200-400 ft/min; skyscraper express lifts 1,000-3,000 ft/min (Burj Khalifa 2,953 ft/min). HVAC low-velocity ductwork: 500-1,000 ft/min; medium-velocity 1,000-2,200 ft/min. Paper machine Fourdrinier wires: 200-6,000 ft/min. 1 ft/min = 0.00508 m/s.
Quick Reference Table
| Inches per Minute (in/min) | Feet per Minute (ft/min) |
|---|---|
| 1 in/min | 0.0833333 ft/min |
| 2 in/min | 0.166667 ft/min |
| 5 in/min | 0.416667 ft/min |
| 10 in/min | 0.833333 ft/min |
| 25 in/min | 2.08333 ft/min |
| 50 in/min | 4.16667 ft/min |
| 100 in/min | 8.33333 ft/min |