Capillary Rise Calculator
Compute capillary rise h = 2σcosθ/(ρgr) in a tube.
Input Data
Pore Radius Mm
mm
Contact Angle Deg
°
Results
h in cm.
29.68cm
h in m.
0.2968m
At a glance:h = 2σ·cosθ/(ρ·g·r). Complements capillary-number and surface-tension.
Formula
h = 2σ·cosθ / (ρ·g·r).
$$h = \dfrac{2\sigma\cos\theta}{\rho\,g\,r}$$How to Use
- Enter radius and contact angle.
- The tool returns the rise.
Case Studies
r=0.5 mm, θ=0, water
h ≈ 2.98 cm.
FAQ
Why rises?
Surface tension pulls the meniscus up a narrow tube.
Related Tools
References
Content review: Calculatorism Science Team. Results are for reference only; please refer to the relevant authorities for the official figures.