Discount
Shopping & DiscountsCalculate a sale price, reverse a discount, or stack multiple offers and tax in the order checkout applies them.
- What is the final sale price?
- What is the effective stacked discount?
Normalize mixed package sizes and rank up to six products by unit price, including the gap to the next-best option.
Change the inputs that matter to your decision. Optional assumptions stay collapsed until you need them.
Choose one measurement family so differently sized packs are normalized fairly.
Name it so the recommendation is easy to act on.
Name it so the recommendation is easy to act on.
$0.0121 per gram.
Family size is 15.3% cheaper per gram than Regular size.
| Family size | $0.0121 / gram$10.99 for 32 oz · best value |
|---|---|
| Regular size | $0.0143 / gram$6.49 for 16 oz |
Unit price does not account for quality, waste, expiration, coupons, shipping, or storage constraints.
Practical notes about the inputs, assumptions, and result.
Yes. Keep normalization on and choose the unit used by each package; compatible units are converted before ranking.
Other tools in shopping & discounts.
Calculate a sale price, reverse a discount, or stack multiple offers and tax in the order checkout applies them.
Add tax, remove tax from a total, or infer an effective rate with state-average and custom-rate modes.
Normalize weekly, monthly, quarterly, and yearly bills, separate active from paused items, and surface the largest review opportunity.