Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Civil
Retaining Wall Pressure Calculator
Computes the Rankine active lateral earth pressure resultant acting on a retaining wall based on soil height, unit weight, and internal friction angle. Essential for structural design of basement walls, highway cuts, and embankments.
Fill in the required fields to see your result.
Civil
Water Supply Pipe Sizing Calculator
Determine the minimum pipe diameter needed to deliver a required flow rate under specified pressure and elevation conditions. Used by hydraulic engineers designing water mains, irrigation systems, and building reticulation.
Fill in the required fields to see your result.
Key differences
| Retaining Wall Pressure Calculator | Water Supply Pipe Sizing Calculator | |
|---|---|---|
| Category | Civil | Civil |
| Inputs required | 3 | 5 |
| Result | Lateral Earth Pressure (kN/m) | Required Pipe Diameter (mm) |
| What it does | Computes the Rankine active lateral earth pressure resultant acting on a retaining wall based on soil height, unit weight, and internal friction angle. Essential for structural design of basement walls, highway cuts, and embankments. | Determine the minimum pipe diameter needed to deliver a required flow rate under specified pressure and elevation conditions. Used by hydraulic engineers designing water mains, irrigation systems, and building reticulation. |