Composting Calculator

Calculate the ideal carbon-to-nitrogen ratio, estimate composting time, and optimize your compost pile.

Materials

High in nitrogen (N)

High in carbon (C)

Composting Method

Current Conditions

Dry50%Wet

Estimated Composting Time

5 weeks
1.2 months

Carbon to Nitrogen Ratio

50:1
Ideal range: 25:1 to 35:1
Green: 25%Brown: 75%

Condition Status

C:N RatioToo Much Brown
MoistureOptimal
TemperatureOptimal (130-160°F)

Output Estimates

9.4
Cubic Feet Compost
20.0
kg CO2 Saved

Recommendations

Add 50.0 lbs more green material

Common Materials Reference

Greens (Nitrogen)

  • Food scraps
  • Fresh grass clippings
  • Coffee grounds
  • Fresh manure

Browns (Carbon)

  • Dry leaves
  • Cardboard
  • Straw/hay
  • Wood chips