Viscosity Dynamic / P → lbf·s/ft²
Convert Poise to Pound-force seconds per square foot
Convert dynamic viscosity in pascal seconds and poise. Convert Poise (P) to Pound-force seconds per square foot (lbf·s/ft²). Find the formula, worked examples, unit definitions, and practical guidance below.
Reverse: Pound-force seconds per square foot to Poise →
How to convert poise to pound-force seconds per square foot
Dynamic viscosity relates shear stress to shear rate. It becomes kinematic viscosity only after division by density. For non-Newtonian fluids, the stated value may depend on shear rate.
Use x for the value in P, b for the intermediate value in Pa·s, and y for the result in lbf·s/ft².
lbf·s/ft² = P × 0.1 ÷ 47.88025898033584
Worked examples
10 P ≈ 0.0208854342332 lbf·s/ft²
Step 1: (10 × 0.1) ≈ 1 Pa·s.
Step 2: 1 ÷ 47.8802589803 ≈ 0.0208854342332 lbf·s/ft².20 P ≈ 0.0417708684663 lbf·s/ft²
Step 1: (20 × 0.1) ≈ 2 Pa·s.
Step 2: 2 ÷ 47.8802589803 ≈ 0.0417708684663 lbf·s/ft².
Results are rounded to 12 significant digits. Converting units does not increase the precision of the original measurement. Very large or small values outside JavaScript’s finite numeric range are rejected.
About Poise
Poise (P) measures viscosity dynamic under the conventions above. The base value in Pa·s is (x × 0.1), where x is the numerical value in P. Factors shown here are rounded for display; calculations use the stored factor.
About Pound-force seconds per square foot
Pound-force seconds per square foot (lbf·s/ft²) measures viscosity dynamic under the conventions above. The base value in Pa·s is (x × 47.8802589803), where x is the numerical value in lbf·s/ft². Factors shown here are rounded for display; calculations use the stored factor.
Definitions and sources
Carry the same physical assumptions into subsequent physics calculations.
Poise to pound-force seconds per square foot reference table
| Poise (P) | Pound-force seconds per square foot (lbf·s/ft²) |
|---|---|
| 1 | 0.00208854342332 |
| 5 | 0.0104427171166 |
| 10 | 0.0208854342332 |
| 25 | 0.0522135855829 |
| 50 | 0.104427171166 |
| 100 | 0.208854342332 |
| 1000 | 2.08854342332 |
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