Cobalt Tools UploadReady
Transparent Margin & Profit Modeling100% Private · Zero Account Required

Product Profit Calculator

Know your exact net profit before listing. Factor in materials, packaging, seller-paid shipping, customer acquisition advertising (CAC), and multi-tier marketplace processing fees.

Local calculations only. No data is stored or sent to any server.
Load example:

Price & Cost InputsAll fields update in real-time

$

Direct Product Costs

$
$
$

Marketplace & Payment Fees

%
%
$

Marketing & Taxes

$
$
%

Profit & Margin Results

Total Net Profit

$14.23

$14.23 per item•40.6% Net Margin

Revenue Allocation

Cost Fees Ship Ads Profit
Total Revenue

$35.00

Total Costs

$20.78

Gross Margin %

75.7%

Markup %

68.5%

Break-even Selling Price

Minimum price to avoid a loss

$19.28
Notice: This calculator provides mathematical estimates for commercial planning. It does not constitute formal tax, legal, or accounting advice.

Frequently Asked Questions

What is the difference between profit margin and markup?

Profit margin is the percentage of your selling price that is profit (Profit / Selling Price). Markup is the percentage added on top of your total cost to reach the selling price (Profit / Total Cost). A 50% markup equals a 33.3% profit margin.

How do marketplace fees affect my break-even selling price?

Because marketplace fees (e.g. Etsy 6.5% + payment 3%) are charged as a percentage of the total gross selling price, they compound. The formula adjusts for this: Direct Costs / (1 - Fee Rate), ensuring fees are covered accurately.

Does this tool work for EUR, GBP, and RON currencies?

Yes. You can switch between USD ($), EUR (€), GBP (£), and RON (lei). All mathematical ratios, margins, and cost models remain completely accurate without external currency conversion API delays.

Is this accounting or tax advice?

No. This tool is strictly a financial calculator designed to help ecommerce merchants and sellers project margins and operational break-even targets.

Cobalt Graphics Studio

Need a custom ecommerce solution?

Cobalt Graphics builds ecommerce websites, custom web applications and digital tools for businesses.

Work with Cobalt Graphics