Model solvent viscosity from density, time, and temperature. Convert dynamic and kinematic values more accurately. Export clean results for lab reports and process checks.
Choose a mode, enter your values, and calculate solvent viscosity from conversion, capillary, or temperature-model inputs.
μ = ν × ρ
Dynamic viscosity μ depends on kinematic viscosity ν and density ρ.
ν = μ ÷ ρ
Kinematic viscosity shows how quickly momentum diffuses through the liquid under gravity and density effects.
ν = Kt - (B ÷ t)
K is the viscometer constant, t is efflux time, and B is the kinetic energy correction.
ln(μ) = ln(A) + B/T
Use two known viscosity-temperature points to estimate viscosity at a new temperature for the same solvent system.
These are illustrative example scenarios for testing the calculator. They are not certified reference values.
| Sample | Temperature | Density | Dynamic Viscosity | Kinematic Viscosity | Example Use |
|---|---|---|---|---|---|
| Water-like solvent | 25 °C | 0.997 g/cm³ | 0.89 mPa·s | 0.89 cSt | Low-viscosity baseline check |
| Ethanol-like solvent | 25 °C | 0.789 g/cm³ | 1.07 mPa·s | 1.36 cSt | Organic solvent conversion |
| Acetone-like solvent | 25 °C | 0.785 g/cm³ | 0.32 mPa·s | 0.41 cSt | Fast-draining solvent profile |
| Glycol-rich blend | 25 °C | 1.060 g/cm³ | 16.00 mPa·s | 15.09 cSt | Higher-resistance process stream |
Dynamic viscosity measures resistance to shear. Kinematic viscosity measures that resistance after density is considered. They are linked by the relation ν = μ ÷ ρ.
Most solvents thin as temperature rises. Even moderate temperature changes can shift pumping behavior, mixing time, drainage rate, and capillary test results.
Use capillary mode when you know the viscometer constant and efflux time. It is useful for lab workflows based on timed flow through calibrated glass viscometers.
It estimates dynamic viscosity at a new temperature from two known viscosity-temperature points. This helps when direct measurement at the target temperature is unavailable.
Yes. For practical liquid calculations, 1 cP equals 1 mPa·s. The calculator accepts either label and converts internally as needed.
Density connects dynamic and kinematic viscosity. Without density, the calculator cannot move reliably between those two viscosity forms.
It provides a quick process-flow check using viscosity, density, tube size, and velocity. It helps you judge whether flow tends toward laminar or turbulent behavior.
Only partly. The optional shear-stress output assumes near-Newtonian behavior. Strongly non-Newtonian fluids need viscosity data at controlled shear rates and fuller rheology models.
Important Note: All the Calculators listed in this site are for educational purpose only and we do not guarentee the accuracy of results. Please do consult with other sources as well.