Terms of Service

Last updated: May 13, 2026

By accessing or using Ferment Calculator at fermentcalculator.com (the “Site”), you agree to the following terms. If you do not agree, please do not use the Site.

1. Who we are

Ferment Calculator is a free, browser-based tool collection for home and small-batch fermenters. The Site is operated by the Ferment Calculator team (“we”, “us”, or “our”).

2. Use of the Site

The calculators and content on this Site are provided for informational and educational purposes only. You are free to use the tools for personal, non-commercial fermentation projects.

You agree not to:

  • Scrape, copy, or republish the Site’s calculators, code, or content without permission
  • Use the Site in any way that violates applicable laws
  • Attempt to interfere with or disrupt the Site’s operation

3. Accuracy of calculations

We take care to ensure our calculators are accurate, but fermentation involves biological processes that are inherently variable. Results produced by the Site’s tools are estimates based on standard formulas and assumptions — they are not guarantees of outcome.

Always apply your own judgment when fermenting food or beverages. We are not responsible for batches that don’t turn out as expected, spoilage, safety issues, or any other outcome resulting from use of the Site’s tools.

When in doubt, consult food safety guidelines from your local health authority.

Some pages on this Site contain affiliate links — links to products on Amazon or other retailers. If you click an affiliate link and make a purchase, we may earn a small commission at no extra cost to you. These commissions help keep the Site free.

We only link to products we believe are relevant and useful. Affiliate relationships do not influence the accuracy of our calculators or editorial content.

5. Email list

We offer an optional email newsletter. By subscribing, you agree to receive periodic emails from us about new calculators, guides, and fermentation tips. You can unsubscribe at any time via the link in any email we send.

We will not sell or share your email address with third parties. See our Privacy Policy for details.

6. Intellectual property

All original content on this Site — including calculator logic, written guides, and design — is owned by Ferment Calculator or its contributors. You may not reproduce or distribute this content commercially without written permission.

7. Third-party services

The Site uses third-party services including analytics providers and hosting infrastructure. These services have their own terms and privacy policies, which we encourage you to review.

8. Disclaimer of warranties

The Site is provided “as is” without warranties of any kind, express or implied. We do not warrant that the Site will be uninterrupted, error-free, or free of viruses or other harmful components.

9. Limitation of liability

To the fullest extent permitted by law, Ferment Calculator shall not be liable for any indirect, incidental, special, or consequential damages arising from your use of the Site or its tools.

10. Changes to these terms

We may update these Terms at any time. Changes will be noted by updating the “Last updated” date at the top of this page. Continued use of the Site after changes constitutes acceptance of the updated Terms.

11. Contact

Questions about these Terms? Get in touch.

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