Contact Us
Questions, feedback, or found a calculation error? We read every message and typically respond within 2-3 business days.
Get in Touch
Response Times
- Bug reports: 1-2 business days
- General questions: 2-3 business days
- Partnership inquiries: 3-5 business days
- Privacy/data requests: within 30 days (as required by law)
Send a Message
Frequently Asked Questions
How do I report a wrong calculation?
Email [email protected] with the calculator name, the values you entered, the result shown, and what you expected. Screenshots help. We prioritize formula errors and fix them as quickly as possible.
Can I request a new calculator?
Yes. Use the form above or email us with a description of what you need to calculate, who would use it, and any formula or reference you have. We cannot build every request, but we track popular ones.
Do you offer API access or embeddable widgets?
Not at this time. If you have a commercial use case, email [email protected] and describe your needs.
Can I link to your calculators from my website?
Yes. Linking to any public page on DoCalculation.com is welcome. Please do not frame our pages or imply endorsement without permission.
I have a privacy-related request
Email [email protected] with your request. See our Privacy Policy for details on data we collect and your rights.