Convert Pound-Force Second per Square Foot to Pascal Second
Live bidirectional calculator for Pound-Force Seconds per Square Foot (lbf·s/ft²) and Pascal Seconds (Pa·s) with verified formula and conversion charts.
Dynamic Viscosity5 units
How the Calculation Works (Linear Scaling)
Since 1 Pound-Force Second per Square Foot = 47.880259 Pascal Seconds, multiply the value in Pound-Force Seconds per Square Foot by 47.880259.
Pound-Force Second per Square Foot to Pascal Second Conversion Table
Precomputed values for quick reference and printing.
| Pound-Force Second per Square Foot | Pascal Second |
|---|---|
| 1 lbf·s/ft² | 47.8803 Pa·s |
| 2 lbf·s/ft² | 95.7605 Pa·s |
| 3 lbf·s/ft² | 143.6408 Pa·s |
| 4 lbf·s/ft² | 191.521 Pa·s |
| 5 lbf·s/ft² | 239.4013 Pa·s |
| 6 lbf·s/ft² | 287.2816 Pa·s |
| 7 lbf·s/ft² | 335.1618 Pa·s |
| 8 lbf·s/ft² | 383.0421 Pa·s |
| 9 lbf·s/ft² | 430.9223 Pa·s |
| 10 lbf·s/ft² | 478.8026 Pa·s |
| 15 lbf·s/ft² | 718.2039 Pa·s |
| 20 lbf·s/ft² | 957.6052 Pa·s |
| 25 lbf·s/ft² | 1197.0065 Pa·s |
| 30 lbf·s/ft² | 1436.4078 Pa·s |
| 40 lbf·s/ft² | 1915.2104 Pa·s |
| 50 lbf·s/ft² | 2394.0129 Pa·s |
| 75 lbf·s/ft² | 3591.0194 Pa·s |
| 100 lbf·s/ft² | 4788.0259 Pa·s |
| Pascal Second | Pound-Force Second per Square Foot |
|---|---|
| 1 Pa·s | 0.0209 lbf·s/ft² |
| 2 Pa·s | 0.0418 lbf·s/ft² |
| 3 Pa·s | 0.0627 lbf·s/ft² |
| 4 Pa·s | 0.0835 lbf·s/ft² |
| 5 Pa·s | 0.1044 lbf·s/ft² |
| 6 Pa·s | 0.1253 lbf·s/ft² |
| 7 Pa·s | 0.1462 lbf·s/ft² |
| 8 Pa·s | 0.1671 lbf·s/ft² |
| 9 Pa·s | 0.188 lbf·s/ft² |
| 10 Pa·s | 0.2089 lbf·s/ft² |
| 15 Pa·s | 0.3133 lbf·s/ft² |
| 20 Pa·s | 0.4177 lbf·s/ft² |
| 25 Pa·s | 0.5221 lbf·s/ft² |
| 30 Pa·s | 0.6266 lbf·s/ft² |
| 40 Pa·s | 0.8354 lbf·s/ft² |
| 50 Pa·s | 1.0443 lbf·s/ft² |
| 75 Pa·s | 1.5664 lbf·s/ft² |
| 100 Pa·s | 2.0885 lbf·s/ft² |
About Pound-Force Second per Square Foot (lbf·s/ft²)
The imperial/US customary unit of absolute dynamic viscosity, equal to one pound-force second per square foot (≈ 47.88026 Pa·s).
History: Standard British and American gravitational engineering unit for aerodynamic and hydraulic friction.
Common Uses: US aeronautical boundary layer calculations, steam turbine bearing hydrodynamic lubrication.
About Pascal Second (Pa·s)
The SI coherent derived unit of dynamic (absolute) viscosity, equal to the shear resistance of a fluid experiencing a velocity gradient of 1 (m/s)/m under a shear stress of 1 Pa (1 N·s/m²).
History: Standard physical viscosity unit adopted with the SI metric system in 1960.
Common Uses: Polymer rheology, computational fluid dynamics (CFD), petroleum reservoir modeling.
❓ Frequently Asked Questions
How many Pascal Seconds are in 1 Pound-Force Second per Square Foot?
There are exactly 47.880259 Pascal Seconds in 1 Pound-Force Second per Square Foot (1 lbf·s/ft² = 47.880259 Pa·s).
What is the formula to convert Pound-Force Second per Square Foot to Pascal Second?
The formula is: Pascal Second = Pound-Force Second per Square Foot × 47.880259. Since 1 Pound-Force Second per Square Foot = 47.880259 Pascal Seconds, multiply the value in Pound-Force Seconds per Square Foot by 47.880259.
How do I convert 1 lbf·s/ft² to Pa·s manually?
To convert 1 lbf·s/ft² to Pa·s: apply the formula Pascal Second = Pound-Force Second per Square Foot × 47.880259. Substituting gives: 1 × 47.880259 = 47.8803 Pa·s.