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Buy One Get One Calculator

Real discount of BOGO deals — buy one get one free, 50% off, or buy X get Y — and cost per item.

Enter values

Results update as you type.

Result

Effective discount

50%

Price per item
$6.00
Total for the deal
$12.00

About the Buy One Get One Calculator

Real discount of BOGO deals — buy one get one free, 50% off, or buy X get Y — and cost per item.

Also known as: bogo discount, buy one get one free, buy 2 get 1, bogo 50 off.

How to use this calculator

  1. Enter price per item, buy, get, discount on "get" items.
  2. The result updates instantly as you type — press Calculate (or Enter) at any time.
  3. Review the breakdown shown under the main result.
  4. Use Copy result or Share to save the answer or send a link with your inputs.

Formula

Discount = 1 − deal total ÷ (price × items)

Worked example

Using the values pre-filled in the calculator above:

  • Price per item = 12
  • Buy = 1
  • Get = 1
  • Discount on "get" items = 100 %

the calculator returns:

  • Effective discount: 50%
  • Price per item: 6
  • Total for the deal: 12