Terms of Use

By using CodingMarble Calculator (https://calculator.codingmarble.com) you agree to these simple terms. Last updated 2026-10-02.

The calculators are free to use

You may use every calculator on this website, for personal or business work, without paying and without an account. You do not need our permission to link to any page here.

Results are estimates, not professional advice

We work hard to use the correct formulas, show them on the page and check our worked examples. Even so, the results are estimates for information only:

Money: your bank, lender, fund house or employer may round differently, charge fees, or apply rules we cannot know. Their figure is the one that counts. Nothing here is financial, investment or tax advice.
Tax and government schemes: rates and rules change. We state the period our figures apply to, but always confirm with the official notification or a qualified professional.
Health: BMI, calorie, body fat, pregnancy and heart rate tools use standard published formulas. They are not a diagnosis and do not replace a doctor.

Please check anything important before you act on it. We are not liable for losses from decisions based on these results.

Fair use

Do not try to break the site, overload it with automated requests, or copy its content wholesale to republish elsewhere. Short quotes with a link back are welcome.

Ads and other websites

This site shows ads and links to other websites, including our own tools. We do not control what advertisers or other websites do; their terms and privacy policies apply when you go there. How ads work here is explained in the privacy policy.

Changes and availability

We add, change and occasionally remove calculators, and the site may be offline for short periods. These terms may be updated; the date at the top shows when they last changed.

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