Frequently Asked Questions
Are these calculators free to use?
Yes. All tools on Calc Hub are 100% free, with no premium paywalls, account registration, or usage limits.
How is my privacy protected?
All calculations are executed locally in your browser using client-side JavaScript. None of the data or values you enter are sent to our servers.
Are there ads or tracking cookies?
No. Calc Hub is completely ad-free and cookie-free. We only collect anonymous, aggregated traffic analytics to monitor usage and improve the tools.
How can I suggest a new calculator?
You can submit suggestions using the feature request form located at the bottom of each calculator page, or file an issue directly in our project repository.