Composting Savings Calculator

About the Composting Savings Calculator

Composting diverts organic waste from landfill, saving disposal fees and producing valuable compost. For businesses, where disposal costs can reach $50–100+ per ton, diverting food waste and organics to composting can generate significant savings. Households also benefit by reducing trash volume and creating free soil amendment.

Landfill disposal fees average $50–80 per ton in the US, with some regions exceeding $100. Composting costs $30–60 per ton through commercial haulers, or essentially free for backyard composting. The cost difference plus the value of finished compost (worth $20–40 per cubic yard) makes composting financially attractive in most scenarios.

This calculator estimates your annual savings from composting based on the amount of organic waste diverted, local disposal costs, and the value of the compost produced.

Integrating this calculation into regular energy reviews ensures that conservation strategies are grounded in measured data rather than assumptions about building performance and usage patterns. Precise measurement of this value supports sustainable energy planning and helps organizations reduce their environmental impact while maintaining operational performance and comfort levels.

When This Page Helps

Composting often costs less than landfill disposal, especially when you factor in the value of the compost produced. This calculator quantifies the savings to justify starting or expanding a composting program.

How to Use the Inputs

1. Enter the amount of organic waste per week in pounds.
2. Enter your current landfill disposal cost per ton.
3. Enter the composting service cost per ton (or $0 for backyard composting).
4. Enter the value of finished compost per ton.
5. View the annual cost savings from diverting organics.

Example Calculation

Tips & Best Practices

• Food waste is the biggest opportunity — it's 22% of municipal waste by weight.
• Backyard composting eliminates hauling costs entirely.
• Finished compost reduces fertilizer purchases by $50–200/year for gardens.
• Some municipalities offer free or subsidized composting bins.
• Compostable items: fruit/veggie scraps, coffee grounds, yard trimmings, eggshells.
• Avoid composting meat, dairy, and oils in backyard systems (OK for commercial).

The Business Case for Composting

For restaurants and food service businesses, food waste comprises 50–70% of total waste. Diverting this to composting can reduce disposal costs by 30–50%. Some municipalities mandate commercial food waste composting, making it a compliance issue as well as a financial opportunity.

Backyard Composting Economics

A backyard compost bin costs $30–100 and handles 200–400 lbs of organics per year. At $70/ton landfill cost, that saves $7–14 per year in disposal. But the real value is the 1–2 cubic yards of finished compost — worth $40–80 if purchased commercially.

Environmental Impact

Organic waste in landfills generates methane, a greenhouse gas 80× more potent than CO2 over 20 years. Composting converts the same waste aerobically, producing CO2 and beneficial humus. Diverting one ton of food waste from landfill prevents approximately 0.5 tons of CO2-equivalent emissions.

Frequently Asked Questions

• How much does composting cost?

  Backyard composting is essentially free after the initial bin ($30–100). Commercial composting services cost $30–60 per ton, which is typically cheaper than landfill disposal ($50–100+ per ton).

• What percentage of waste is compostable?

  Approximately 30–40% of household waste is organic material that could be composted. For restaurants and food businesses, this can exceed 60%. Diverting organics dramatically reduces trash volume and disposal cost.

• How much finished compost does organic waste produce?

  Composting reduces volume by 50–60%. One ton of organic waste produces approximately 0.5–0.7 cubic yards of finished compost. The exact amount depends on the feedstock mix and composting method.

• Is composting worth it for a single household?

  Yes, especially if your municipality charges by volume or weight. Composting can reduce your trash by 25–35%, potentially lowering to a smaller (cheaper) trash bin. The free compost for gardens is a bonus.

• What about odor and pests?

  A properly managed compost bin has minimal odor. Layer greens (food scraps) with browns (leaves, cardboard) at a 1:3 ratio. Keep the pile moist but not wet. A sealed bin prevents pest access.

• Can I compost in an apartment?

  Yes. Vermicomposting (worm bins) works indoors and handles 3–5 lbs of food scraps per week for a small household. Many cities also offer curbside organics collection or community composting drop-offs.