Policy
Terms of Use
Last updated 2026-10-21.
Freeze Dry Math provides calculators and general information about home freeze-drying for educational purposes. By using the site you agree to these terms.
Not professional advice
Results are estimates based on published specifications, USDA data and rules of thumb described on our methodology page. Machines, foods and conditions vary. Follow your manufacturer’s instructions and USDA and extension food safety guidance. You are responsible for the safety of food you prepare, store and serve or sell.
Selling food
Selling home-produced food is regulated by state and local law. Nothing on this site is legal advice or confirms that any product may be sold.
Content
Text and code are ours. Photos are from Unsplash under the Unsplash License and are credited on each page. Brand names belong to their owners and are used only to describe products.
No warranty
The site is provided as is, without warranties of any kind. To the extent allowed by law, we are not liable for losses arising from its use.