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This tool applies a standard formula from the relevant domain. The computation is deterministic — given the same inputs, the result is always identical. The formula accounts for the primary variables that determine the output.
h = 2γcosθ / (ρgr)The calculation requires: Surface Tension, Fluid Density, Tube Radius, Contact Angle. Each parameter contributes to the final result according to the formula above. Accuracy depends on the precision of your input measurements.
Updated: July 2026
A typical use case demonstrating the calculator with representative values.
→ Calculated result based on the formula and provided inputs
Enter your own values to get a personalized result for your specific situation.
→ Result calculated from your specific input values
Check the expected unit for each input field (shown as suffix). Converting between imperial and metric units before entering values prevents calculation errors.
Ensure denominator values (divisors) are non-zero. The calculator validates this, but understanding which fields cannot be zero helps interpret results correctly.
Calculate capillary rise height in micro-tubes for fluid handling design. Free capillary rise micro tool for capillary, rise, and more. It applies the calculation formula (h = 2γcosθ / (ρgr)). For example: water in 50 μm radius tube — A typical use case demonstrating the calculator with representative values.