Terms of Use

Last updated: 13 November 2026

1. Acceptance

By using Date Calculator you agree to these terms. If you do not agree, please do not use the site.

2. Free service

Date Calculator is free to use. There is no account, no sign-up and no payment. The service is supported by advertising. We may change, add or remove features at any time without notice.

3. What the tool does

Date Calculator works out the days between two dates, adds or subtracts days from a date, counts the days until a date, works out an exact age from a date of birth, and counts weekdays only between two dates — in your browser, using exact calendar maths. Results are for everyday personal use. The weekdays-only count does not remove public holidays, and the months and years breakdowns are approximate, as the site states.

4. Check important dates yourself

Nothing on this site is legal, medical or financial advice. Please check important dates — travel, deadlines, legal dates, medical appointments — yourself before acting on a result shown here.

5. Lawful use

Use the tool only for lawful purposes. Do not use it to misrepresent a date, an age or a result to anyone else — every result shows how it was worked out so it can always be checked.

6. No warranty

The tool is provided “as is”, without any warranty of any kind. We do not promise that a result is right for your particular purpose — please check important matters yourself.

7. Liability

To the fullest extent allowed by law, Date Calculator and its owner are not liable for any direct, indirect or consequential loss arising from the use of this site or its calculations — including any loss from acting on a result shown here.

8. Advertising

The site shows advertising from Google AdSense. Advertisements are provided by third parties; Date Calculator is not responsible for their content. You can choose personalised or non-personalised ads with the cookie banner.

9. Changes to these terms

These terms may change from time to time. The new version will be posted on this page with a new “last updated” date. Continued use of the site after a change means you accept the new terms.

10. Contact

Questions about these terms: please use the contact form.