Convert Square feet per minute to Square millimetres per hour
Convert Square feet per minute (ft²/min) to Square millimetres per hour (mm²/h) instantly and accurately.
Conversion Formula
mm²/h = ft²/min × 5574182.4
About Square feet per minute
The square foot per minute (ft²/min) equals 0.3048²/60 ≈ 1.548 × 10⁻³ m²/s. It appears in US HVAC, ventilation, and turbine-cooling design where velocities are quoted in ft/min. 1 ft²/min ≈ 1548 cSt.
About Square millimetres per hour
The square millimetre per hour (mm²/h) equals 1/(3.6 × 10⁹) m²/s ≈ 2.78 × 10⁻¹⁰ m²/s. It appears in materials science for solid-state diffusion and thin-film growth studies where hourly timescales are more natural than seconds. 1 mm²/h = 1/3600 mm²/s = 1/3600 cSt.
Quick Reference Table
| Square feet per minute (ft²/min) | Square millimetres per hour (mm²/h) |
|---|---|
| 1 ft²/min | 5574180 mm²/h |
| 2 ft²/min | 11148400 mm²/h |
| 5 ft²/min | 27870900 mm²/h |
| 10 ft²/min | 55741800 mm²/h |
| 25 ft²/min | 139355000 mm²/h |
| 50 ft²/min | 278709000 mm²/h |
| 100 ft²/min | 557418000 mm²/h |