Stokes to Square Millimeter/Second Converter

Kinematic Viscosity Converter

6 units available

Decimals:

From

To

100

1 St = 100 mm²/s

Formula:

mm²/s = St × 100

With your value: 1 St = 100 mm²/s

Other Stokes to Square Millimeter/Second conversions

2 St to mm²/s 3 St to mm²/s 4 St to mm²/s 5 St to mm²/s 6 St to mm²/s 7 St to mm²/s 8 St to mm²/s

Stokes to Square Millimeter/Second Conversion Table

Stokes (St)	Square Millimeter/Second (mm²/s)
0.5	50
1	100
2	200
5	500
10	1,000
15	1,500
20	2,000
25	2,500
50	5,000
100	10,000
250	25,000
500	50,000
1000	100,000

Square Millimeter/Second to Stokes Conversion Table

Square Millimeter/Second (mm²/s)	Stokes (St)
0.5	0.005
1	0.01
2	0.02
5	0.05
10	0.1
15	0.15
20	0.2
25	0.25
50	0.5
100	1
250	2.5
500	5
1000	10

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.

Stokes (St)

Kinematic Viscosity

Exact conversion

Derived quantity, square metre per second (m²/s). The stokes is exactly 10⁻⁴ m²/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

Square Millimeter/Second (mm²/s)

Kinematic Viscosity

Exact conversion

Derived quantity, square metre per second (m²/s). The stokes is exactly 10⁻⁴ m²/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 Stokes to Square Millimeter/Second

To convert from Stokes (St) to Square Millimeter/Second (mm²/s), multiply the value by 100.

Formula: mm²/s = St × 100

Reverse: St = mm²/s × 0.01

Step-by-Step Example

Start with your value in Stokes. For example: 5 St
Multiply by the conversion factor: 5 x 100
The result is: 500 mm²/s

About Stokes

The stokes (St) is a unit of kinematic viscosity. One stokes equals 0.0001 base units. UnitConvertLab converts it against every other kinematic viscosity unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

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

About Square Millimeter/Second

The square millimeter/second (mm²/s) is a unit of kinematic viscosity. One square millimeter/second equals 1.000000 × 10^-6 base units. UnitConvertLab converts it against every other kinematic viscosity unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

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

Frequently Asked Questions

How many Square Millimeter/Second are in 1 Stokes?

There are exactly 100 Square Millimeter/Second in 1 Stokes. This means the conversion factor from Stokes to Square Millimeter/Second is 100.

What is the formula to convert Stokes to Square Millimeter/Second?

The formula to convert Stokes to Square Millimeter/Second is: mm²/s = St × 100. For example, to convert 10 Stokes to Square Millimeter/Second, you would multiply 10 by 100.

What is a Stokes?