Terms & Disclaimer

Important notes about using these free calculators.

Informational calculations

These tools provide estimates for general planning. We cannot guarantee they reproduce every marketplace charge, shipping calculation or local tax rule. The user is responsible for checking assumptions against official sources.

No professional advice

Calculations are not accounting, financial, legal, tax or shipping advice. Check with the relevant provider or a qualified adviser where needed.

Brand trademarks

eBay and Etsy are trademarks of their respective owners. Seller Toolbox is independently operated and is not affiliated with those brands.

Availability

The tools are provided without guarantees of uninterrupted service or suitability for a particular commercial purpose. We may revise formulas and documentation as marketplace policies evolve.

Last updated: October 24, 2026.