Convert Square Foot per Second to Pound-force Second per Square Foot
Enter the number of square feet per second that you want to convert to pound-force seconds per square foot.
How to Convert Square Feet per Second to Pound-force Seconds per Square Foot
The square foot per second and pound-force second per square foot are both units of viscosity. 1 pound-force second per square foot equals 515.37882937 square feet per second. This means to convert square feet per second to pound-force seconds per square foot, you divide by 515.37882937.
Formula
Step-by-Step Example
Convert 5 ft²/s to pound-force seconds per square foot:
We need to convert square feet per second to pound-force seconds per square foot
Since 1 lbf·s/ft² = 515.37882937 ft²/s, divide by 515.37882937
5 ÷ 515.37882937 = 0.0097016015
5 ft²/s = 0.0097016015 lbf·s/ft²
Square Foot per Second to Pound-force Second per Square Foot Conversion Table
Quick reference table for common square foot per second to pound-force second per square foot conversions. Click any value for detailed calculation.
| Square Feet per Second (ft²/s) | Pound-force Seconds per Square Foot (lbf·s/ft²) |
|---|---|
| 0.1 ft²/s | 0.000194032 lbf·s/ft² |
| 0.5 ft²/s | 0.0009701601 lbf·s/ft² |
| 1 ft²/s | 0.0019403203 lbf·s/ft² |
| 2 ft²/s | 0.0038806406 lbf·s/ft² |
| 5 ft²/s | 0.0097016015 lbf·s/ft² |
| 10 ft²/s | 0.0194032029 lbf·s/ft² |
| 25 ft²/s | 0.0485080073 lbf·s/ft² |
| 50 ft²/s | 0.0970160145 lbf·s/ft² |
| 100 ft²/s | 0.1940320291 lbf·s/ft² |
About These Units
Square Foot per Second (ft²/s)
Square feet per second (ft²/s) is the US imperial kinematic viscosity unit equal to 929 stokes or 92,903 centistokes. Water at 20°C: 1.08×10⁻⁵ ft²/s. Used in US fluid mechanics, pipe flow calculations, and HVAC engineering. One ft²/s = 0.0929 m²/s.
Pound-force Second per Square Foot (lbf·s/ft²)
Pound-force second per square foot (lbf·s/ft²) is the primary US imperial dynamic viscosity unit, equal to 47.88 Pa·s. Used in HVAC, hydraulics, and US engineering calculations. Also called poundal-second per square foot. Water is about 2.1×10⁻⁵ lbf·s/ft².
Frequently Asked Questions
How do I convert square feet per second to pound-force seconds per square foot?
To convert square feet per second to pound-force seconds per square foot, divide the value by 515.37882937. For example, 10 ft²/s = 0.0194032029 lbf·s/ft².
How many pound-force seconds per square foot are in 1 square foot per second?
1 square foot per second equals 0.0019403203 pound-force seconds per square foot.
What is the formula for square feet per second to pound-force seconds per square foot?
The formula is: lbf·s/ft² = ft²/s ÷ 515.37882937.