Convert Microstokes to Square feet per hour
Convert Microstokes (µSt) to Square feet per hour (ft²/h) instantly and accurately.
Conversion Formula
ft²/h = µSt × 3.875007750e-6
About Microstokes
The microstoke (µSt) equals 10⁻¹⁰ m²/s, the smallest CGS subdivision of practical interest for kinematic viscosity. It covers extremely rarified or high-temperature gas viscosity and is rarely encountered outside theoretical research. The centistoke is the practical lower bound in most engineering work. 1 µSt = 10⁻⁶ St = 10⁻¹⁰ m²/s.
About Square feet per hour
The square foot per hour (ft²/h) equals 0.3048²/3600 ≈ 2.581 × 10⁻⁵ m²/s. It is the standard US unit for thermal diffusivity in the BTU-ft-h system, used alongside heat-transfer and mass-transfer calculations. Air at 20 °C ≈ 0.573 ft²/h; water at 20 °C ≈ 0.0096 ft²/h. 1 ft²/h ≈ 25.81 cSt.
Quick Reference Table
| Microstokes (µSt) | Square feet per hour (ft²/h) |
|---|---|
| 1 µSt | 3.875 × 10-6 ft²/h |
| 2 µSt | 7.75 × 10-6 ft²/h |
| 5 µSt | 1.938 × 10-5 ft²/h |
| 10 µSt | 3.875 × 10-5 ft²/h |
| 25 µSt | 9.688 × 10-5 ft²/h |
| 50 µSt | 0.00019375 ft²/h |
| 100 µSt | 0.000387501 ft²/h |