Terms of use
Last updated 2026. By using Inch Calculators you agree to these terms.
What this site provides
Inch Calculators provides free calculators that produce estimates for planning purposes. The calculators are provided as they are, without warranty of any kind, express or implied.
Your responsibility
You are responsible for checking that any result is suitable for your project. Confirm quantities with your supplier and confirm any structural, dimensional or code related figure with your local building authority or a qualified professional before you order materials or begin work.
Limitation of liability
Inch Calculators is not liable for any loss, cost, damage or injury arising from the use of this site or from reliance on any result it produces. This includes over ordering, under ordering, project delays and work that does not meet local requirements.
Acceptable use
You may use these calculators freely for personal and commercial projects. You may not scrape the site at a rate that degrades it for others, republish the calculators as your own, or attempt to interfere with the site's operation or security.
Intellectual property
The design, written content and calculator implementations on this site belong to Inch Calculators. Formulas and physical constants are facts and are not claimed as property.
Changes
These terms may be updated. Continued use of the site after a change means you accept the updated terms.