The independent seller’s workbench

Make every order add up.

A product profit calculator that counts the costs you might forget. Put in your numbers. Find your margin.

Free to use. No sign-up.
$

Price paid for one item, excluding tax.

$

Materials or wholesale cost per item.

$

Your net cost after buyer shipping payments.

$

Include your own time.

%

Combined payment and platform rate.

$

Combined per-order charges.

$

Ad spend ÷ orders from those ads.

%

Your desired share of revenue after costs.

Example numbers are editable assumptions, not a marketplace fee schedule. Calculations stay in this browser.

02 / What you keep per order
$16.35
36.3% contribution margin
Break-even price$28.14
Price for 30% margin$40.75
CostsFeesProfit

Contribution profit before overhead, income tax, returns and discounts. Shipping and fee assumptions can change your result.

Better pricing starts here.

All guides ↗
01 / THE FUNDAMENTALS

Margin isn’t markup.

Why adding 30% to your cost doesn’t give you a 30% margin.

Understand the difference →
02 / PRICE YOUR WORK

Your time belongs in the price.

Build a handmade product price from materials, labor, fees and profit.

Build a better price →
03 / AD SPEND

Know what a sale can cost.

Work out your acquisition ceiling before spending on advertising.

Find your ceiling →