Compost Calculator
Calculate how much compost you can produce and its environmental impact. Track your composting efforts.
Inputs
Results
Weekly Compost
2 kg
≈ 18 sticks of butter
How to Use This Calculator
- Enter the weekly weight of food scraps in pounds.
- Input the weekly yard and garden waste weight.
- Set the composting method (backyard pile, tumbler, or vermicomposting).
- Review the estimated annual compost yield in pounds and CO₂ landfill diversion.
- Compost reaches maturity in 2–6 months — turn the pile regularly to speed decomposition.
How the result changes with Household Size
| Household Size | Weekly Compost |
|---|---|
| 2.9 | 1.5 kg |
| 7.65 | 3.8 kg |
| 13 | 6.5 kg |
| 18 | 9 kg |
What each input means
- Household Size
- Number of people in your household.
- Compost Per Person
- Average compostable waste per person per week (kg).
How this is calculated
Worked example, using the default values
- Identify Input ParametersHousehold Size = 4, Compost Per Person = 0.5 = 2 input(s) provided
- Calculate Weekly CompostWeekly Compost2 = 2
- Calculate Monthly CompostMonthly Compost8.7 = 8.7
- Calculate Yearly CompostYearly Compost104 = 104
Related Calculators
The questions that sit next to this one — chosen by subject, including calculators filed under a different category.
Carbon Footprint Calculator
Estimate your annual carbon footprint from driving, electricity, heating, and air travel. Compare to US and world averages.
Environmental & SustainabilityRecycling Impact Calculator
Calculate the environmental impact of recycling. See how much CO2, energy, and water you save by recycling.
Garden PlanningCompost Ratio Calculator
Calculate your compost C:N ratio from green and brown materials. Get quality assessment and adjustment suggestions for optimal decomposition.
Garden PlanningSoil Amendment Calculator
Calculate how much lime, sulfur, compost, and fertilizer your garden soil needs.
Environmental & SustainabilityCarbon Footprint Master Calculator
Complete carbon footprint calculator — estimate your total emissions, analyze commute impact, compare EV vs gas vehicles, and calculate carbon offset costs.
More in Environment, Weather & Climate.