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Have a question, found a bug, or want to suggest a new calculator? We'd love to hear from you.
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Other ways to reach us
Found a bug?
Use the form to submit a bug report. Include the calculator name, your input values, and what you expected vs. what happened.
Feature requests
Want a calculator we don't have yet? Tell us what you need and we'll consider adding it to the roadmap.
Response time
We typically respond within 2–3 business days. For urgent issues, please include "URGENT" in your subject line.