Compost Ratio Calculator
Calculate the carbon-to-nitrogen ratio for your compost pile. Balance greens and browns for optimal decomposition.
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Material Reference
Grass ClippingsC:N 17:1
Food ScrapsC:N 15:1
Coffee GroundsC:N 20:1
Fresh ManureC:N 15:1
Vegetable WasteC:N 12:1
Green LeavesC:N 20:1
Dry LeavesC:N 60:1
StrawC:N 75:1
CardboardC:N 350:1
NewspaperC:N 175:1
Wood ChipsC:N 400:1
SawdustC:N 325:1
Pine NeedlesC:N 80:1
Corn StalksC:N 60:1
Features
- 14 common compost materials with C:N ratios
- Real-time C:N ratio calculation
- Green vs brown balance indicator
- Ideal range guidance (25:1 to 35:1)
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Disclaimer: This tool is provided as-is for informational and educational purposes only.