Construction & Materials
Rankine Earth Pressure Calculator
Calculate active and passive lateral earth pressure and resultant force using Rankine theory.
Your inputs
Change any value to update the result instantly.
Active resultant force
48 kN/m
Active coefficient Ka
0.333
Passive coefficient Kp
3
Max active pressure at base
24 kPa
Passive resultant force
432 kN/m
Formula and working
Ka = tan²(45 − φ/2); p = Ka·γ·h; F = ½·Ka·γ·h²
- 1
Collect the inputs
Wall height = 4 m; Soil unit weight = 18 kN/m³; Soil friction angle φ = 30 °
- 2
Apply the formula
Ka = tan²(45 − φ/2); p = Ka·γ·h; F = ½·Ka·γ·h²
- 3
Result
Active resultant force = 48 kN/m
Frequently asked questions
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
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