Compost Volume Calculator
Estimate the volume of finished compost produced from kitchen and yard waste based on input volume and decomposition rate.
gallons
gallons
weeks
%
Finished Compost
273 gallons
Finished Compost36.5 cubic feet
Waste Diverted from Landfill780 gallons
CO2 Avoided3.90 metric tons CO2e
Finished Compost vs Weekly Kitchen Scraps
How to Calculate Compost Volume
Composting reduces organic waste volume by 50-75% while producing nutrient-rich soil amendment.
Formula
Finished Compost = Input Volume * (1 - Reduction %)
Volume Reduction
Composting diverts 30-40% of household waste from landfills.
Example Calculation
5 gal kitchen scraps and 10 gal yard waste weekly for 52 weeks with 65% volume reduction.
- 01Total input: (5 + 10) * 52 = 780 gallons
- 02Finished compost: 780 * (1 - 0.65) = 273 gallons
- 03In cubic feet: 273 / 7.48 = 36.5 cu ft
- 04CO2 avoided: 780 * 0.005 = 3.9 metric tons