stokes to square millimeter per second
Convert stokes (St) to square millimeter per second (mm²/s). Use an editable kinematic viscosity converter, conversion formula, and reference table.
1 St = 100 mm²/s
Conversion formula
One stokes equals 100 square millimeter per second. Multiply your value in stokes by this factor to get square millimeter per second. For the reverse conversion, divide by the same factor.
Worked example
To convert 5 stokes:5 × 100 = 500 mm²/s
Conversion table
| stokes (St) | square millimeter per second (mm²/s) |
|---|---|
| 0.01 | 1 |
| 0.1 | 10 |
| 1 | 100 |
| 2 | 200 |
| 5 | 500 |
| 10 | 1,000 |
| 25 | 2,500 |
| 50 | 5,000 |
| 100 | 10,000 |
| 1000 | 100,000 |
About these measurements
Kinematic viscosity is dynamic viscosity divided by density.
The base reference used here is the square meter per second. One stokes is 0.0001 base units; one square millimeter per second is 0.000001 base units.
Important distinctions
Compound units must match the quantity and dimension. Temperature intervals use size factors rather than temperature offsets. Calorie and BTU entries use the explicit definitions shown.
Precision
The converter uses stored conversion factors and floating-point arithmetic. Results display up to ten significant digits, switching to scientific notation for very small or large values. Keep the precision of your original measurement when reporting results.
Common questions
How do I convert St to mm²/s?
Multiply the quantity in St by 100. You can also type the value into the converter above.
Can I reverse the conversion?
Yes. Use the swap button or open the square millimeter per second to stokes converter.
Reference
NIST Guide to the SI — conversion factors and prefix conventions. SI prefixes scale units by powers of ten; the dimension-specific notes above describe the assumptions used on this page.
