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Calcimator

Recycling Rate Calculator

Calculate waste diversion rate from stream-by-stream composition data including recycling and composting.

About this calculator

This calculator builds your diversion rate from the ground up rather than asking for a single percentage: it sums paper, plastics, metals, glass, compost, and other diverted materials into a total diverted figure, divides by total waste generated, and multiplies by 100. Whatever isn't diverted is assumed landfilled, so the two figures always add back to your total waste input. That diversion rate then drives a performance rating — Excellent at 75%+ (the common zero-waste benchmark), Good at 50%+, Average at 35%+, and Below Average or Poor beneath that — letting you benchmark a program against typical municipal and corporate targets at a glance. Beyond the percentage, the tool estimates real economic value using average commodity prices per ton (paper $65, plastics $200, metals $150, glass $15) plus landfill tipping-fee savings at a $55/ton average — money you avoid paying to dispose of what you diverted instead.

Environmental impact draws on EPA WARM model averages for CO2e avoided per ton recycled, which differ substantially by material: metals avoid the most emissions per ton (4.2), followed by paper (3.1), with glass and compost avoiding comparatively little. Keep in mind these are national averages, not your local market: actual recyclables revenue depends heavily on regional buyer contracts and commodity price swings, and your local tipping fee may be well above or below $55/ton. Use this to spot which material stream offers the biggest opportunity — often plastics or metals by revenue per ton — rather than as a precise invoice.

Inputs

tons/year
tons/year
tons/year
tons/year
tons/year
tons/year
tons/year

Results

Diversion Rate

36%

Performance Rating

Average

Total Diverted3,600 tons
Total Landfilled6,400 tons
Recyclables Revenue$260,500.00
Landfill Cost Savings$198,000.00
Total Economic Benefit$458,500.00
CO₂e Avoided7,410 tons
Energy Saved35,690 million BTU
Metals Rate4%
Glass Rate2%
Compost Rate8%

Figures current as of 2026. Source: U.S. EPA, Waste Reduction Model (WARM) — documentation of emissions, energy, and economic factors

How to Use This Calculator
  1. Enter Total Waste Generated (tons/year) for your facility, municipality, or program.
  2. Input tons/year recycled for each material stream: Paper & Cardboard, Plastics, Metals, and Glass.
  3. Add Organics Composted (tons/year) and Other Diverted Materials to capture all diversion pathways.
  4. Review Diversion Rate (%) to see your overall performance against common targets (50% for many jurisdictions, 75%+ for zero-waste goals).
  5. Check Performance Rating to benchmark your program against national and regional peers.
  6. Use the breakdown chart to identify which material streams offer the greatest opportunity for improvement.

How the result changes with Total Waste Generated

Total Waste GeneratedDiversion RatePerformance Rating
5,00072%Good (Above Average)
7,50048%Average
15,00024%Below Average
25,00014.4%Poor (Significant Improvement Needed)

What each input means

Total Waste Generated
Total municipal solid waste generated annually.
Paper & Cardboard Recycled
Tons of paper and cardboard recycled annually.
Plastics Recycled
Tons of plastics recycled annually.
Metals Recycled
Tons of metals (aluminum, steel, etc.) recycled annually.
Glass Recycled
Tons of glass recycled annually.
Organics Composted
Tons of food waste and yard waste composted annually.
Other Diverted Materials
Other diverted materials (textiles, electronics, C&D debris).

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Total Waste Generated = 10000, Paper & Cardboard Recycled = 1500, Plastics Recycled = 500, Metals Recycled = 400 = 7 input(s) provided
  2. Calculate Diversion Rate
    Diversion Rate
    36 = 36
  3. Calculate Performance Rating
    Average = Average
  4. Calculate Total Diverted
    Total Diverted
    3600 = 3600
  5. Calculate Total Landfilled
    Total Landfilled
    6400 = 6400

Figures and sources

Engine last updated . Checked against 2 independently-derived tests — how we verify calculators. Built by Paul Gunder, a software engineer, not a licensed financial, medical, or legal professional.

Frequently Asked Questions

Why don't composted or other diverted materials generate any revenue here?

The revenue calculation only prices paper ($65/ton), plastics ($200/ton), metals ($150/ton), and glass ($15/ton) — there's no commodity market rate assigned to compost or the 'other diverted' category in this model. Both still count fully toward Total Diverted and the diversion rate, and both still reduce landfill tonnage, so they show up in Landfill Cost Savings even though they contribute nothing to Recyclables Revenue.

Does Landfill Cost Savings include composted and other diverted material, or just recyclables?

It includes everything: Landfill Cost Savings is Total Diverted (paper, plastics, metals, glass, compost, and other, all summed) multiplied by the $55/ton tipping fee. That's different from Recyclables Revenue, which only counts the four priced commodity streams — so a program heavy on composting can post strong landfill savings with comparatively low revenue.

Why does plastic often generate more revenue per ton than metal or paper here?

Plastics are priced at $200/ton in this calculator, higher than metals ($150), paper ($65), and glass ($15). That doesn't mean plastics recycling is more profitable everywhere — the calculator uses fixed national averages — but for a given tonnage diverted, the plastics stream shows the largest revenue contribution of the four priced materials.

Why is metal responsible for the most CO2e avoided per ton?

The calculator applies EPA WARM-model CO2e-avoided factors per ton recycled, and metals carry the highest at 4.2, ahead of paper (3.1), compost (0.4), plastics (1.4), and glass (0.3). That reflects how energy-intensive it is to produce virgin metal from ore compared to reprocessing scrap, which is why a small tonnage of recycled metal can move the CO2e Avoided figure more than a much larger tonnage of recycled glass.

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