Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Civil
Pavement Thickness Design Calculator
Estimate the required pavement thickness for roads or parking lots based on traffic volume, subgrade strength, and design life. Essential during roadway design to prevent premature structural failure.
Fill in the required fields to see your result.
Civil
Flexible Pavement Design Calculator
Calculate the required asphalt pavement layer thickness based on traffic loading (ESALs), subgrade strength (CBR), design reliability, and climate zone using the AASHTO flexible pavement method. Used by highway and airport pavement engineers.
Fill in the required fields to see your result.
Key differences
| Pavement Thickness Design Calculator | Flexible Pavement Design Calculator | |
|---|---|---|
| Category | Civil | Civil |
| Inputs required | 4 | 5 |
| Result | Required Thickness (inches) | Total Pavement Thickness (mm) |
| What it does | Estimate the required pavement thickness for roads or parking lots based on traffic volume, subgrade strength, and design life. Essential during roadway design to prevent premature structural failure. | Calculate the required asphalt pavement layer thickness based on traffic loading (ESALs), subgrade strength (CBR), design reliability, and climate zone using the AASHTO flexible pavement method. Used by highway and airport pavement engineers. |