Pound-force Second/sq Foot to Pound/Foot-Second Converter

Dynamic Viscosity Converter

8 units available

Decimals:

From

To

32.17405

1 lbf·s/ft² = 32.17405 lb/(ft·s)

Formula:

lb/(ft·s) = lbf·s/ft² × 32.1740495116

With your value: 1 lbf·s/ft² = 32.17404951 lb/(ft·s)

Other Pound-force Second/sq Foot to Pound/Foot-Second conversions

2 lbf·s/ft² to lb/(ft·s)3 lbf·s/ft² to lb/(ft·s)4 lbf·s/ft² to lb/(ft·s)5 lbf·s/ft² to lb/(ft·s)6 lbf·s/ft² to lb/(ft·s)7 lbf·s/ft² to lb/(ft·s)8 lbf·s/ft² to lb/(ft·s)

Pound-force Second/sq Foot to Pound/Foot-Second Conversion Table

Pound-force Second/sq Foot (lbf·s/ft²)	Pound/Foot-Second (lb/(ft·s))
0.5	16.087025
1	32.17405
2	64.348099
5	160.870248
10	321.740495
15	482.610743
20	643.48099
25	804.351238
50	1,608.702476
100	3,217.404951
250	8,043.512378
500	16,087.024756
1000	32,174.049512

Pound/Foot-Second to Pound-force Second/sq Foot Conversion Table

Pound/Foot-Second (lb/(ft·s))	Pound-force Second/sq Foot (lbf·s/ft²)
0.5	0.01554
1	0.031081
2	0.062162
5	0.155405
10	0.310809
15	0.466214
20	0.621619
25	0.777024
50	1.554047
100	3.108095
250	7.770237
500	15.540475
1000	31.080949

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Pound-force Second/sq Foot (lbf·s/ft²)

Dynamic Viscosity

Exact conversion

Derived quantity, pascal-second (Pa·s = kg/(m·s)). The poise is exactly 0.1 Pa·s by CGS definition.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Pound/Foot-Second (lb/(ft·s))

Dynamic Viscosity

Exact conversion

Derived quantity, pascal-second (Pa·s = kg/(m·s)). The poise is exactly 0.1 Pa·s by CGS definition.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert Pound-force Second/sq Foot to Pound/Foot-Second

To convert from Pound-force Second/sq Foot (lbf·s/ft²) to Pound/Foot-Second (lb/(ft·s)), multiply the value by 32.1740495116.

Formula: lb/(ft·s) = lbf·s/ft² × 32.1740495116

Reverse: lbf·s/ft² = lb/(ft·s) × 0.0310809492

Step-by-Step Example

Start with your value in Pound-force Second/sq Foot. For example: 5 lbf·s/ft²
Multiply by the conversion factor: 5 x 32.1740495116
The result is: 160.870248 lb/(ft·s)

About Pound-force Second/sq Foot

The pound-force second/sq foot (lbf·s/ft²) is a unit of dynamic viscosity. One pound-force second/sq foot equals 47.880259 base units. UnitConvertLab converts it against every other dynamic viscosity unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: dynamic viscosity calculations, engineering and science, education.

About Pound/Foot-Second

The pound/foot-second (lb/(ft·s)) is a unit of dynamic viscosity. One pound/foot-second equals 1.4881639 base units. UnitConvertLab converts it against every other dynamic viscosity unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: dynamic viscosity calculations, engineering and science, education.

Frequently Asked Questions

How many Pound/Foot-Second are in 1 Pound-force Second/sq Foot?

There are exactly 32.1740495116 Pound/Foot-Second in 1 Pound-force Second/sq Foot. This means the conversion factor from Pound-force Second/sq Foot to Pound/Foot-Second is 32.1740495116.

What is the formula to convert Pound-force Second/sq Foot to Pound/Foot-Second?

The formula to convert Pound-force Second/sq Foot to Pound/Foot-Second is: lb/(ft·s) = lbf·s/ft² × 32.1740495116. For example, to convert 10 Pound-force Second/sq Foot to Pound/Foot-Second, you would multiply 10 by 32.1740495116.

What is a Pound-force Second/sq Foot?