Compost C:N Ratio Calculator
Calculate the carbon-to-nitrogen ratio of your compost mix for optimal decomposition.
How to Use the Compost C:N Ratio Calculator
- Enter the mass of green material (kg) and its C:N ratio.
- Enter the mass of brown material (kg) and its C:N ratio.
- Click Calculate to get the resulting ratio.
- Adjust proportions to achieve the 25-30:1 optimum.
حالات الاستخدام
- •Optimizing home and commercial compost piles.
- •Planning organic waste blending.
- •Accelerating the composting process.
- •Reducing odors during composting.
الصيغة
Mixture C:N = (carbon from greens + carbon from browns) / (nitrogen from greens + nitrogen from browns). Carbon = mass, nitrogen = mass / C:N.
الأسئلة الشائعة
What are green and brown materials?
Green materials (grass, food scraps) are rich in nitrogen; brown materials (straw, sawdust) are rich in carbon.
Why is the 25-30:1 ratio important?
At this ratio, microorganisms work most efficiently. Lower ratios cause ammonia odors; higher ratios slow decomposition.
What is the typical C:N of green materials?
Fresh grass is ~15-20:1, food scraps ~15:1. For browns: straw ~80:1, sawdust ~400:1.