Keep it free
iDuckCalculator costs nothing to use: no sign-up and no ads. Money is not the only way to help, and these all make a real difference.
Tell someone
The best thing you can do is pass it on to a friend, a classmate or a coworker who is wrestling with a calculation.
Other ways to help
- Report a problemFound a result that looks wrong? Tell us what you typed and what you expected.
- Suggest a calculatorTell us what you wish existed. Requests decide what gets built next.
- See what is comingEverything that is live and everything we are thinking about.
- Learn how it worksWho runs it, what it costs, and how your numbers are handled.
Tips
Tips are not open yet. When they are, this page will say so clearly, and nothing is collected before then.