Terms of Use

Plain-language terms for using WhatSize. Last updated 2026.

Use of this site

WhatSize is provided free of charge for personal and commercial use. You may use the results produced by the tools on this site however you like, including in commercial work, without attribution.

No warranty

The information and calculations on this site are provided "as is", without warranty of any kind. We check our data against source documentation, but errors are possible and sources themselves are sometimes wrong or out of date.

Do not rely on this site as the sole basis for a decision with financial, legal, safety or medical consequences. Where this site disagrees with an official or manufacturer source, the official source governs.

Limitation of liability

To the maximum extent permitted by law, WhatSize and its operators are not liable for any loss or damage arising from use of this site, including loss of profit, data, or the cost of substitute goods or services.

Acceptable use

Do not attempt to disrupt the service, scrape it at a rate that degrades it for others, or republish the full dataset as a competing mirror. Reasonable, attributed quotation of individual values is fine.

Third-party links and ads

This site links to third-party websites and displays third-party advertising. We do not control that content and are not responsible for it.

Changes

These terms may be updated. Continued use of the site after an update constitutes acceptance of the revised terms.