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Water Dynamic Viscosity by Temperature — result sheet
Estimate liquid-water dynamic viscosity from temperature using a compact atmospheric-pressure correlation.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: μ = 2.414 × 10⁻⁵ × 10^[247.8/(Tₖ − 140)] Pa·s, with Tₖ = T°C + 273.15.
Water becomes less resistant to flow as temperature rises. This calculator uses a compact temperature correlation to return dynamic viscosity in Pa·s, mPa·s, and centipoise, which are common in fluid mechanics and process calculations.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Water temperature — °C; minimum 0; maximum 100
Worked example
| Input | Value |
|---|---|
| Water temperature | 20 |
At 20°C the estimated dynamic viscosity is about 1.002 mPa·s, or 1.002 cP.
Assumptions and limits
- The correlation is used for liquid water from 0°C to 100°C near atmospheric pressure.
- Temperature is converted to kelvin inside the correlation and the result is an estimate rather than a full IAPWS property calculation.
- Dissolved solids, pressure effects, non-water fluids, phase change, and shear-dependent behavior are not modeled.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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