Kinematic Viscosity Converter
Convert between 5 units of kinematic viscosity — m²/s, cm²/s (Stokes), mm²/s (Centistokes), ft²/s, and in²/s.
About the Kinematic Viscosity Converter
Kinematic viscosity is dynamic viscosity divided by fluid density (ν = μ/ρ). It describes how a fluid flows under gravity alone, without an external pressure gradient. The SI unit is m²/s, but the centistoke (cSt = mm²/s) is standard in lubrication engineering. Fuel injection systems and hydraulic circuits are designed around kinematic viscosity specifications.
- ›Water at 20 °C has a kinematic viscosity of approximately 1.004 cSt (mm²/s)
- ›Aviation turbine fuels are specified to have viscosities between 8 and 12 cSt at −20 °C
- ›ISO viscosity grades for lubricants (ISO VG 32, 46, 68) are kinematic viscosity in cSt at 40 °C
- ›Blood has a kinematic viscosity of about 3–4 cSt at body temperature
Frequently Asked Questions
What units does the Kinematic Viscosity Converter support?
The Kinematic Viscosity Converter supports multiple units with instant conversion. Convert between 5 units of kinematic viscosity — m²/s, cm²/s (Stokes), mm²/s (Centistokes), ft²/s, and in²/s. All results use SI-validated constants accurate to 8 significant figures.
Is this Kinematic Viscosity Converter free?
Yes — completely free. No registration, no limits. Works on all devices including mobile.
How accurate is this converter?
Accurate to 8 significant figures using precise mathematical constants validated against international SI standards (NIST and ISO 80000).