Add-on Promotion Calculator
Estimate extra profit from an add-on offer and its attachment rate.
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How to estimate profit from add-on promotions
This add-on promotion calculator estimates how main product sales, attachment rate, add-on price, and add-on cost affect total profit. It is useful for restaurants, drink shops, retail stores, ecommerce sellers, and small businesses.
An add-on offer should not be judged only by extra revenue. Consider add-on margin, inventory risk, preparation workload, fulfillment pressure, and whether it affects the main purchase decision.
Formula or logic
- Add-on quantity = Main product sales × Attachment rate
- Add-on unit profit = Add-on price - Add-on cost
- Extra add-on profit = Add-on quantity × Add-on unit profit
Example
If 100 main items are sold per day, the add-on rate is 30%, and each add-on earns 20 in profit, the add-on campaign adds about 600 profit per day.
Common questions
Is a higher attachment rate always better?
Not always. You still need to check margin, inventory risk, and operational workload.
How is add-on promotion different from a discount?
An add-on promotion encourages an extra purchase, while a discount lowers the price of the original item.
How should I set an add-on price?
Consider customer appeal, cost, margin, and fulfillment capacity, not revenue alone.