This page is used for conversion and correction of Ks30 resulted from the plate load test:



Ks Correction

Due to thickness/stiffness of the steel plate used in the plate loading test, the resulted Ks30 is recommended to be corrected for the stiffness of the plate. The chart shown on the left portion of the page is used for correction of Ks30. Please enter your test Ks30 in the box below the chart and press Calculate button to get the corrected Ks30.


Ks Conversion

This part of the page uses the common formulas for converting Ks30 to your desired footing's size. Different equations are used based on the subgrade soil type.