Zero Waste Audit Calculator
Score your waste diversion program and identify opportunities to improve recycling, composting, and reuse toward zero waste goals.
Inputs
tons/year
Results
Achievable Diversion Rate
72%
Zero Waste Rating
Progressing
Zero Waste Score75/100
Improvement Potential37 percentage points
Recyclables to Capture813 tons
Compostables to Capture975 tons
Reusable Materials325 tons
Lost to Contamination263 tons
True Residual Waste1,400 tons
Potential Annual Savings$49,563
Top Priority ActionStart/expand composting program
Current Landfill Cost$178,750
Potential Landfill Cost$77,000
How to Use This Calculator
- Enter Total Annual Waste (tons/year) and your Current Diversion Rate (%) to establish a baseline.
- Input Recyclables in Trash (%), Compostables in Trash (%), and Reusable Items in Trash (%) from a visual waste sort or audit.
- Enter Recycling Contamination Rate (%) — high contamination reduces the effective recyclables that processors will accept.
- Review Achievable Diversion Rate (%) to see the realistic improvement possible with better sorting and outreach.
- Check Zero Waste Score (/100) and Zero Waste Rating to understand where you stand on the path to 90%+ diversion.
- Use Improvement Potential and Recyclable Opportunity outputs to prioritize education, infrastructure, or material-specific programs.
Ad Placeholder
Related Calculators
Recycling Rate Calculator
Calculate waste diversion rate from stream-by-stream composition data including recycling and composting.
Waste Generation Calculator
Estimate daily municipal solid waste volume from population and per-capita generation rates with future projections.
Composting Facility Sizing Calculator
Size windrow or vessel composting facilities from feedstock volume, type, and processing method.
E-Waste Recovery Value Calculator
Calculate recoverable material value from electronic waste streams including precious metals, copper, and refurbishment potential.
Ad Placeholder