Contact CalcMastery
For calculator feedback, bug reports, correction requests, partnership questions, or support, email support@calcmastery.com.
We typically respond within 24-48 hours during business days.
What to send us
- Calculator bug reports, formula corrections, or methodology questions.
- Requests for new finance, SaaS, operations, HR, or marketing calculators.
- Benchmark source suggestions, citation corrections, and partnership questions.
- Accessibility, usability, or support issues with CalcMastery pages.
Frequently Asked Questions
Are your calculators free to use?
Yes! All our calculators and converters are completely free to use. No registration, no subscriptions, no hidden costs.
How accurate are the calculations?
Our calculators use industry-standard formulas and are regularly tested for accuracy. However, results should be used as estimates and not as professional financial or medical advice.
Do you store my personal data?
No, we don't store any personal data or calculation results. All calculations are performed locally in your browser.
Can I request a new calculator?
Absolutely! We love hearing suggestions for new calculators. email us directly at support@calcmastery.com.