Food Waste Calculator

Calculate the environmental and financial cost of household food waste including CO2 emissions and water used.

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Annual Cost of Food Waste

650 USD

Annual Food Wasted260 lbs
CO2 from Wasted Food0.45 metric tons
Virtual Water Wasted28,080 gallons

Annual Cost of Food Waste vs Weekly Food Waste

View formula & how it works →

How to Calculate Food Waste Impact

About 30-40% of food in the US is wasted, with enormous environmental and financial costs.

Formula

Annual Cost = Weekly Waste * 52 * Cost per lb

Environmental Impact per Pound of Wasted Food

  • CO2: ~3.8 lbs CO2e (includes production, transport, and landfill methane)
  • Water: ~108 gallons (virtual water used in production)
  • Land: ~2.5 sq ft of farmland

    • The average American wastes about 219 lbs of food per year.

    Example Calculation

    A 3-person household wasting 5 lbs of food per week at $2.50/lb average.

    1. 01Annual waste: 5 * 52 = 260 lbs
    2. 02Annual cost: 260 * $2.50 = $650
    3. 03CO2: 260 * 3.8 / 2,204.6 = 0.45 metric tons
    4. 04Water wasted: 260 * 108 = 28,080 gallons

    Frequently Asked Questions

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