Soil Amendment Ratio Calculator

Calculate the proper ratio of soil amendments to existing soil for optimal growing conditions.

Three-dimensional space occupied (L × W × H for boxes).
cubic yards
Value expressed as parts per 100.
%
Value expressed as parts per 100.
%

Results

Total Amendment Needed:
Sum of all calculated values.
-cubic yards
Compost Needed:
Calculated compost needed based on your inputs.
-cubic yards
Other Amendment:
Calculated other amendment based on your inputs.
-cubic yards
Reference: Industry Standards.