Available now · HTML

Product Price Calculator

Know what a sale leaves after the costs you enter.

Compare costs, selling fees and advertising before changing a price. Calculate contribution, break-even price and a price for your chosen margin.

$5 USDOne-time base price

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Base USD price. Checkout may add tax or show another currency. Digital files; no physical delivery.

Try a free example →

Format: ZIP · HTML + GUIDE.html
Included languages: English, Russian, Spanish, German, French and Portuguese

Overview

What you receive

Multiple editable product rows
Contribution, break-even and target-margin calculations
Worked example, local saving, JSON backups and CSV export

Personal use or one business. Keep private backups; do not redistribute or resell source files. Each tool includes an HTML file and getting-started guide in a ZIP.

See the calculation step by step

Enlarged illustrated tutorial. Labels and results match the tool; layout adapted. Not a screen recording. No audio.

Try a free example →

A closer look

Open any image to view it in full. Game covers include AI-generated scenes; PDF excerpts show the actual pages. Tool diagrams explain the verified features and are not screenshots of the purchased interface.

Product overview ↗

Contents at a glance ↗

How to start ↗

Enlarged worked example ↗

From purchase to first use

Download

Complete checkout on Gumroad and download the ZIP.

Open the files

Extract it, read GUIDE.html and open the HTML in a modern desktop browser with JavaScript.

Make it your own

Start with the example, then enter your own records. Keep regular JSON backups where supported.

Requirements & limits

Manual inputs; no live marketplace integration or automatic tax calculation. Results exclude taxes, returns and omitted costs.

Downloaded HTML tools use a desktop browser with JavaScript. Chrome sample checks are described in the product listing; local file mode, Safari, Firefox, phone viewers and print layout have not been verified. Browser storage can be unavailable or cleared. Keep backups. No subscription is required to use the files.

Licence & delivery ↗ · Help ↗

Customer reviews

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