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CalcPatch

Contact CalcPatch

Questions, corrections and suggestions

Email hello@calcpatch.com.

This CalcPatch address forwards to the shared BeanGenie AI business inbox used to handle messages for this site.

Please include CalcPatch in your subject so we can identify the website. Opening the email link creates a draft in your email app; it does not send a message.

For an article correction, include its page address, the passage in question and a supporting reference if available. For a calculator correction, include the page address, units, values you entered, the result you received, and what you expected. The Calculation details section below a result contains a record you can copy into your message. Please avoid sending confidential information.

How feedback is used

Reproducible reports help us check formulas, assumptions, and input limits. We may use the technical details to improve the relevant calculator and its tests. See our privacy information for how contact messages are handled.