FLUIDS
Kinematic viscosity
Kinematic viscosity and diffusivity units.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Result100 mm²/s1 St = 100 mm²/s
EVERYDAY · ENGINEERING · SCIENCE
St to mm²/s Converter
Convert stokes (St) to square millimetre per second (mm²/s). Enter a value for an instant result, or use the examples and reverse conversion below.
520units ready to convert
HOW IT IS CALCULATED
Convert through square metre per second
Enter a stokes value to calculate square millimetre per second with full internal precision before display rounding.
Display PrecisionAuto · 6 significant digits
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
QUICK REFERENCE
All units in this quantity
| Unit | Symbol | Converted value |
|---|---|---|
| square metre per secondfrom St | m²/s | 0.0001 |
| square centimetre per secondfrom St | cm²/s | 1 |
| square millimetre per secondfrom St | mm²/s | 100 |
| stokesfrom St | St | 1 |
| centistokesfrom St | cSt | 100 |
| square foot per secondfrom St | ft²/s | 0.00107639 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
St to mm²/s Conversion Reference
Stokes (St) and square millimetre per second (mm²/s) are units of kinematic viscosity. Use this page to convert in either direction.
Conversion Examples
| Stokes (St) | Square Millimetre Per Second (mm²/s) |
|---|---|
| 1 St | 100 mm²/s |
| 5 St | 500 mm²/s |
| 10 St | 1000 mm²/s |
| 100 St | 10000 mm²/s |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
Reverse Conversion
mm²/s to St (square millimetre per second to stokes)