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eBay Best Offer Calculator

Estimate your net profit and lowest acceptable offer on an eBay listing after fees, shipping and item costs.

Your Details

Overview

Use this eBay Best Offer Calculator to estimate whether accepting an offer still leaves enough profit after selling fees, shipping and item cost. It can also show the lowest offer that meets your target profit so you can negotiate more confidently.

How it works

The calculator starts with the buyer's offer price, estimates the selling fees using your percentage fee and fixed fee, then subtracts your item cost and shipping cost to find net profit. To find the lowest acceptable offer, it works backward from your desired profit plus costs and adjusts for the percentage fee so you can see the minimum price needed to reach that goal.

How to use this calculator

  1. 1Enter your current listing price.
  2. 2Add the buyer's offer amount.
  3. 3Enter your item cost and expected shipping cost.
  4. 4Input your estimated eBay fee percentage and any fixed per-order fee.
  5. 5Set the minimum profit you want to make.
  6. 6Review the estimated net profit and lowest acceptable offer.

Example Calculation

Listing price

$100

Offer price

$85

Item cost

$40

Your shipping cost

$8

eBay fee rate

13%

Fixed fee per order

$0

Target profit

$20

Estimated net profit

$25.44

With a $100 listing price and an $85 offer, the estimated fee is about $11.56 and the net profit is about $25.14. The estimated lowest acceptable offer to make $20 profit is about $79.42.

Frequently asked questions

What does this eBay Best Offer Calculator estimate?

It estimates your net profit on a buyer's offer and the lowest offer likely to meet your target profit after fees, item cost and shipping.

Does the calculator include eBay fees?

Yes, it includes a percentage-based fee and a fixed fee that you enter, but actual fees can vary by category and account settings.

Should I include shipping in my costs?

Yes, if you pay for shipping, include your expected shipping expense so your profit estimate is more realistic.

Does this calculator include taxes or promoted listing fees?

No, unless you manually factor them into your costs or fee rate. The calculator is designed as a simple estimate.

How do I decide my lowest acceptable offer?

Set a target profit you are comfortable with, then use the lowest acceptable offer result as a guide when considering or countering an offer.

What if my fee rate is different for a category?

Enter the fee rate that matches your item category or selling setup for a more accurate estimate.

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Assumptions and warnings

Assumptions

  • Results are estimates based on the fee rate, fixed fee, shipping cost and item cost you enter.
  • The calculator assumes percentage fees are applied to the accepted offer price.
  • Taxes, promoted listing charges, payment disputes, returns and packaging costs are not included unless added to your item or shipping costs.
  • Currency symbols are shown for convenience and do not convert between currencies automatically.

Warnings

  • This calculator provides an estimate only and is not financial or tax advice.
  • Actual eBay fees can vary by category, region, shipping charged to the buyer and optional selling features.