Pound/Foot-Second to Reyn Converter

Dynamic Viscosity Converter

8 units available

Decimals:

From

To

0.000216

1 lb/(ft·s) = 0.000216 reyn

Formula:

reyn = lb/(ft·s) × 0.0002158399

With your value: 1 lb/(ft·s) = 0.00021584 reyn

Other Pound/Foot-Second to Reyn conversions

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

Pound/Foot-Second to Reyn Conversion Table

Pound/Foot-Second (lb/(ft·s))	Reyn (reyn)
0.5	0.000108
1	0.000216
2	0.000432
5	0.001079
10	0.002158
15	0.003238
20	0.004317
25	0.005396
50	0.010792
100	0.021584
250	0.05396
500	0.10792
1000	0.21584

Reyn to Pound/Foot-Second Conversion Table

Reyn (reyn)	Pound/Foot-Second (lb/(ft·s))
0.5	2,316.531564
1	4,633.063128
2	9,266.126255
5	23,165.315638
10	46,330.631277
15	69,495.946915
20	92,661.262553
25	115,826.578191
50	231,653.156383
100	463,306.312766
250	1,158,265.781914
500	2,316,531.563828
1000	4,633,063.127657

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/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

Reyn (reyn)

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/Foot-Second to Reyn

To convert from Pound/Foot-Second (lb/(ft·s)) to Reyn (reyn), multiply the value by 0.0002158399.

Formula: reyn = lb/(ft·s) × 0.0002158399

Reverse: lb/(ft·s) = reyn × 4,633.0631276568

Step-by-Step Example

Start with your value in Pound/Foot-Second. For example: 5 lb/(ft·s)
Multiply by the conversion factor: 5 x 0.0002158399
The result is: 0.001079 reyn

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.

About Reyn

The reyn (reyn) is a unit of dynamic viscosity. One reyn equals 6894.757293 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 Reyn are in 1 Pound/Foot-Second?

There are exactly 0.0002158399 Reyn in 1 Pound/Foot-Second. This means the conversion factor from Pound/Foot-Second to Reyn is 0.0002158399.

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

The formula to convert Pound/Foot-Second to Reyn is: reyn = lb/(ft·s) × 0.0002158399. For example, to convert 10 Pound/Foot-Second to Reyn, you would multiply 10 by 0.0002158399.

What is a Pound/Foot-Second?