Always confirm the store’s stacking policy.
Final net cost
$7.09
Total saved
$5.90
45.4%
Checkout price
$8.09
Quick answer: Start with the sale price, subtract dollar coupons, apply percentage discounts to the reduced price, then subtract post-purchase cash back. Store policies decide which offers may be combined.
Evergreen method
Measure savings against a clean baseline
A saving is the difference between comparable baskets, not a coupon total or an advertised percentage.
Formula
savings rate = (baseline cost − new cost) ÷ baseline cost × 100Reproducible steps
- 1.Compare the same quantities and quality level.
- 2.Include fees, membership costs and unused products.
- 3.Annualize only after several representative shopping cycles.
Data note — Evergreen model: The formula works with your own inputs and does not depend on a specific price or year.
Related
Keep going
Grocery Savings Calculator
Free grocery savings calculator: see how much coupons, sales, store brands, and meal planning save you each month - and what it adds up to per year.
Grocery Discount Calculator
Free grocery discount calculator: instantly get the price after a percent-off sale, dollar coupon, or BOGO deal - plus exactly what you save.
Grocery Cashback Calculator
Free grocery cash back calculator: estimate your yearly earnings from supermarket credit cards, Ibotta, and receipt apps - solo or stacked.
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