Mercari Seller Tools
Mercari Offer Profit Calculator
Estimate whether accepting a Mercari buyer offer still leaves enough profit after item cost, shipping, packaging, fees, promotion cost, refund allowance, and minimum profit requirements.
Offer inputs
Enter list price, buyer offer, counteroffer, item costs, shipping, fees, and minimum acceptable profit.
Results
Estimated Mercari buyer offer profitability.
Profit at buyer offer
$8.87
Estimated profit if the buyer offer is accepted.
Profit at list price
$15.84
Estimated profit if the item sells at full list price.
Profit at counteroffer
$11.49
Estimated profit if the buyer accepts your counteroffer.
Profit lost from offer
$6.97
Difference between full-price profit and offer profit.
Offer discount
$8.00
Dollar discount from list price to buyer offer.
Offer discount percent
20.0%
Buyer offer discount as a share of list price.
Minimum acceptable price
$33.30
Estimated price needed to reach your minimum profit.
Break-even price
$21.81
Approximate price needed to avoid losing money.
Offer margin
27.7%
Profit at buyer offer divided by buyer offer price.
Counteroffer margin
32.8%
Profit at counteroffer divided by counteroffer price.
Counteroffer discount
12.5%
Counteroffer discount compared with list price.
Profit recovered by counter
$2.61
Extra profit from counteroffer compared with buyer offer.
What this means
The buyer offer of $32.00 creates an estimated profit of $8.87. Your minimum acceptable price for the target profit is about $33.30.
Counter: The offer is profitable but below your minimum target, so a counteroffer may make more sense.
Offer discount scenario comparison
| Discount | Offer price | Profit | Margin | Status |
|---|---|---|---|---|
| 0.0% | $40.00 | $15.84 | 39.6% | Acceptable |
| 5.0% | $38.00 | $14.10 | 37.1% | Acceptable |
| 10.0% | $36.00 | $12.36 | 34.3% | Acceptable |
| 15.0% | $34.00 | $10.61 | 31.2% | Acceptable |
| 20.0% | $32.00 | $8.87 | 27.7% | Counter |
| 25.0% | $30.00 | $7.13 | 23.8% | Counter |
| 30.0% | $28.00 | $5.39 | 19.2% | Thin |
How to use this Mercari Offer Profit Calculator
Enter prices
Add your list price, buyer offer, and possible counteroffer.
Add costs
Include item cost, shipping, packaging, fees, promotion cost, and refunds.
Set minimum profit
Enter the minimum profit required to make the sale worthwhile.
Review decision
Use the results to accept, counter, or reject the buyer offer.
Mercari offer profit breakdown
Review the numbers behind the buyer offer estimate.
List price
Included in the offer profit estimate.
$40.00
Buyer offer
Included in the offer profit estimate.
$32.00
Counteroffer
Included in the offer profit estimate.
$35.00
Item cost
Included in the offer profit estimate.
$10.00
Shipping cost
Included in the offer profit estimate.
$6.50
Packaging cost
Included in the offer profit estimate.
$1.00
Minimum acceptable price
Included in the offer profit estimate.
$33.30
Profit at buyer offer
Included in the offer profit estimate.
$8.87
Common Mercari offer mistakes
Accepting buyer offers without checking item cost, fees, and shipping.
Forgetting seller-paid shipping when judging offer profit.
Using list price as the profit reference instead of break-even price.
Countering randomly instead of using a minimum acceptable price.
Letting low offers move inventory while quietly erasing margin.
Ignoring refund allowance, packaging supplies, and promotion cost.
Ways to improve Mercari offer strategy
Know your floor
Calculate the lowest acceptable price before offers arrive.
Build offer room
List with enough room to accept reasonable buyer offers.
Counter with data
Use minimum profit and break-even price to guide counteroffers.
Reject weak offers
Avoid accepting offers that move inventory but damage profit.