Reyn to Pound/Foot-Second Converter

Dynamic Viscosity Converter

8 units available

Decimals:

From

To

4,633.063128

1 reyn = 4,633.063128 lb/(ft·s)

Formula:

lb/(ft·s) = reyn × 4,633.0631276568

With your value: 1 reyn = 4,633.06312766 lb/(ft·s)

Other Reyn to Pound/Foot-Second conversions

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

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

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

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.

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

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 Reyn to Pound/Foot-Second

To convert from Reyn (reyn) to Pound/Foot-Second (lb/(ft·s)), multiply the value by 4,633.0631276568.

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

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

Step-by-Step Example

Start with your value in Reyn. For example: 5 reyn
Multiply by the conversion factor: 5 x 4,633.0631276568
The result is: 23,165.315638 lb/(ft·s)

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.

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 Reyn?

There are exactly 4,633.0631276568 Pound/Foot-Second in 1 Reyn. This means the conversion factor from Reyn to Pound/Foot-Second is 4,633.0631276568.

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

The formula to convert Reyn to Pound/Foot-Second is: lb/(ft·s) = reyn × 4,633.0631276568. For example, to convert 10 Reyn to Pound/Foot-Second, you would multiply 10 by 4,633.0631276568.

What is a Reyn?