Compost Calculator

Compost Calculator

Enter the amounts of green and brown materials to find the C:N ratio and optimal mix.

Greens (kg or lbs)

Please enter a valid number >= 0.

Nitrogen-rich materials (grass clippings, kitchen scraps).

Browns (kg or lbs)

Please enter a valid number >= 0.

Carbon-rich materials (dry leaves, straw, wood chips).

Results

C:N Ratio:

Status:

Recommendation:

Formula: C:N Ratio = (Browns * 30) / (Greens * 10). Ideal range: 25-30:1.