Compost Calculator
Calculate compost ratios, carbon-to-nitrogen balance, and decomposition rates for optimal composting.
Compost Materials
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Results
Enter compost materials to see calculations
Composting Guidelines
C:N Ratio Guidelines
- • 25:1 to 30:1 - Optimal range
- • 20:1 to 40:1 - Acceptable range
- • Below 20:1 - Too much nitrogen
- • Above 40:1 - Too much carbon
Material C:N Ratios
- • Grass clippings: 12:1
- • Kitchen scraps: 15:1
- • Leaves: 60:1
- • Wood chips: 400:1