Online Seller Profit Calculator

Follow the screens at your own pace. Replace fictional examples with your own information.

Visual and written guide available below. Recorded narration is being prepared.

STEP 1 OF 5

Start with one sale

Use the calculator to review one sale at a time. Save your workbook copy and replace the example figures. Use a consistent tax basis throughout.

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STEP 2 OF 5

Enter what the buyer pays

Enter the item sale price and the postage charged to your buyer. These amounts make up the receipts used by the calculator.

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STEP 3 OF 5

Include every selling cost

Add the item cost, postage you pay, packaging and other costs. Enter your marketplace and advertising percentages, plus any fixed fee. Use your own applicable rates. Both percentage fees in this model apply to the item price plus postage charged.

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STEP 4 OF 5

Read the result

Review estimated profit, the break-even item price and the price needed for your target profit. The example returns twenty-four dollars and two cents. This is a planning result based on the costs entered.

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STEP 5 OF 5

Compare before you sell

Change the item price or postage cost and check the difference. Set your target profit before accepting an offer. Keep the formulas intact and save your changes.

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These instructions cover the workbook version shown. Check the product listing for included formats. Google Sheets import and feature compatibility have not been independently verified for these versions.