Buy One Get One Free Calculator
Analyze BOGO deals: Buy 1 Get 1 Free, BOGO 50% Off, or Buy 2 Get 1 Free. Calculate effective unit price and true percentage savings.
BOGO Effective Unit Cost Formula
Effective Unit Price = Total Money Paid / Total Items Received; Effective Discount % = (1 - (Paid / (Total Items × Unit Price))) × 100- BOGO Free: Buying 1 unit yields 2 units for the price of 1 (an exact 50.0% unit discount).
- BOGO 50% Off: Buying 2 units costs 1.5× the unit price, yielding a 25.0% effective discount across both items.
- Buy 2 Get 1 Free: Buying 2 units yields 3 items for the price of 2 (a 33.3% effective unit discount).
Step-by-Step Worked Example
Calculation Steps:
How to Use This Calculator
Assumptions & Limitations
- Assumes items bundled under the promotion carry equal regular retail prices.
Frequently Asked Questions
Is BOGO 50% Off the same as 25% off everything?
Yes! When purchasing pairs of items with identical regular prices, Buy One Get One 50% Off is mathematically identical to a 25% across-the-board discount.
Should I buy BOGO items if I only need one?
Usually no. Buying two items under BOGO 50% off requires spending 50% more cash than purchasing just the single item you actually needed.
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