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eBay Multi Buy Discount Calculator

Calculate the discounted total, savings per order, and effective price per item for common eBay multi-buy offers.

Your Details

Overview

Use this eBay Multi Buy Discount Calculator to estimate how much a promotion changes your order total. Enter the item price, quantity, and promotion details to see the discounted total, total savings, and average price per item.

How it works

The calculator first works out the regular total by multiplying the item price by the quantity. It then estimates the promotion based on the selected offer type. For buy X get Y free offers, it values the free items at the regular item price. For buy 1 get 1 at a percentage off, it discounts the qualifying extra items. For buy X get a percentage off the order, it applies the percentage discount once the trigger quantity is met. The final total is the regular total minus the estimated savings.

How to use this calculator

  1. 1Enter the regular price for one item.
  2. 2Add the number of items in the order.
  3. 3Choose the multi-buy offer type.
  4. 4Enter the trigger quantity and any free or discounted quantity.
  5. 5Enter the discount percentage if the offer uses one.
  6. 6Review the estimated total, savings, and effective price per item.

Example Calculation

Price per item

$20

Quantity bought

4

Offer type

percentOffEachExtra

Buy quantity trigger

1

Free or discounted quantity

1

Discount percent

50%

Apply offer repeatedly

true

Discounted total

$60.00

With 4 items at $20 each and a buy 1 get 1 at 50% off offer applied repeatedly, the regular total is $80, the savings are $20, and the discounted total is $60. The effective price per item is $15.

Frequently asked questions

What does this eBay multi-buy calculator estimate?

It estimates the order total, total savings, and average price per item for common multi-buy offers such as buy X get Y free or percentage-off deals.

Can I use this for buy 2 get 1 free offers?

Yes. Select the buy X get Y free option, enter 2 as the trigger quantity, and 1 as the free quantity.

Does this include shipping or tax?

No. The calculator focuses on the item discount only unless those costs are already built into the price you enter.

What does apply offer repeatedly mean?

It means the promotion is applied to every full qualifying group in the order, such as multiple buy 1 get 1 groups in a larger purchase.

Can I use different prices for different items?

This version assumes the same regular price for all items in the order. If item prices vary, the result will only be an approximation.

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Assumptions and warnings

Assumptions

  • This calculator estimates common multi-buy structures using a single item price for all items in the order.
  • Results assume all items are eligible for the same promotion and have the same regular price.
  • Shipping, sales tax, coupons, seller offers, and eBay fees are not included unless already reflected in the item price.
  • If a promotion does not repeat, the calculator applies it once after the minimum quantity is met.
  • Results are estimates and actual checkout pricing may vary by listing setup.

Warnings

  • This calculator provides an estimate only and does not reflect every possible eBay promotion setup.
  • Check the listing terms at checkout before making a purchase decision.