Food Waste Cost Calculator
Household Food Waste
Formula
Annual Waste Cost = Weekly Grocery x Waste % x 52. Food Weight = Cost x 0.5 lbs/$. CO2 = Weight (kg) x 3.8 kg CO2e/kg. Water = Weight (lbs) x 50 gal/lb.
Frequently Asked Questions
How much food does the average household waste?
The average American household wastes about 30-40% of the food it purchases, amounting to roughly $1,500 per year. Globally, about one-third of all food produced is lost or wasted.
What are the best ways to reduce food waste?
Plan meals before shopping, buy only what you need, store food properly, use FIFO (first in, first out), repurpose leftovers, understand expiration dates vs best-by dates, and compost unavoidable scraps.
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