BROWSER-BASED TOOL
Food waste calculator
Break a weekly estimate into food categories, then see the monthly, annual, and per-person picture.
WEEKLY ESTIMATES
What gets discarded?
Use receipts or a one-week audit. Enter zero for categories you do not track.
Estimated annual cost$0
$0 per month - $0 per person each year
Largest entered category: None enteredTransparent calculation
sum of weekly category estimates x 52 = annual estimateThis is a planning estimate based entirely on your inputs. It does not measure weight, nutrition, greenhouse-gas impact, or unavoidable scraps.
HOW TO USE IT
Estimate from observed behavior
- Record discarded food for one typical week.
- Use purchase prices or reasonable receipt-based estimates.
- Change one pattern and compare again later.
Worked example
Example: if produce is the largest category, try buying a smaller amount before changing every meal plan.