Fluid properties & matched-state conversion
Viscosity Unit Converter Calculator
Relate dynamic and kinematic viscosity using density supplied for the same fluid state.
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Read the method and exampleYOUR CALCULATION
Relate dynamic and kinematic viscosity with an explicitly entered density.
Dynamic viscosity (mPa·s = cP)
Kinematic viscosity (m²/s)
Kinematic viscosity (mm²/s = cSt)
Illustrative inputs loaded. Replace them with your own assumptions.
How the viscosity unit converter calculator works
Dynamic viscosity μ in Pa·s equals density in kg/m³ times kinematic viscosity ν in m²/s. One cP equals one mPa·s and one cSt equals one mm²/s. Convert the selected source to SI, then use density to relate the two viscosity types.
Viscosity and density must describe the same composition, temperature and pressure. Changing density changes cross-type conversion, not the entered original dynamic or kinematic quantity.
No property lookup, temperature correction or Newtonian-behavior assumption is verified. Zero viscosity is an arithmetic boundary, not a claim about fluid suitability or real process performance.
Worked example
Ten mPa·s is 0.01 Pa·s. At 1,000 kg/m³ this is 0.00001 m²/s or 10 cSt. At density 800 kg/m³, the same dynamic viscosity corresponds to 12.5 cSt.
Sources and assumptions
The source material explains the underlying calculation or pricing structure. Entered prices, costs, schedules and scenario choices are your assumptions; this tool does not obtain supplier quotes or predict actual results.
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