Kinematic Viscosity Calculator
Find kinematic viscosity from dynamic viscosity and density.
Kinematic viscosity is the ratio of a fluid's dynamic viscosity to its density.
The math behind it
ν = μ ÷ ρ. It appears in the Reynolds number and governs momentum diffusion.
Worked example
Air (μ 1.81×10⁻⁵, ρ 1.225) → about 1.48 × 10⁻⁵ m²/s (14.8 cSt).
FAQ
Dynamic vs kinematic?
Dynamic is resistance to flow; kinematic also accounts for the fluid's density.