How quickly does CalcHub respond to messages?

We respond to all contact form submissions within 1-2 business days. Bug reports and formula errors receive priority treatment with same-day acknowledgment and fixes within 48 hours of verification. Feature requests are reviewed weekly and added to our development roadmap when approved.

How do I report an incorrect calculation result?

Use the Contact form and select "Bug Report / Formula Error" as the subject. Include: (1) the calculator URL, (2) the inputs you entered, (3) the result you received, and (4) the result you expected with your source. This helps us reproduce and fix the issue quickly. Verified errors are patched within 48 hours.

Does CalcHub offer API access for calculator data?

We do not currently offer a public API. If you are a developer building a project that would benefit from CalcHub calculator logic, reach out via the contact form with your use case — we evaluate partnership and licensing requests on a case-by-case basis.

How can I advertise on CalcHub?

For advertising inquiries, select "Business / Advertising" in the contact form subject. We accept relevant financial, health, and technology advertisers that align with our audience. We do not accept gambling, crypto speculation, payday loan, or misleading financial product ads.

Contact Us - CalcHub | Get in Touch

Send Us a Message

Your Name *

Email Address *

Subject *

Message *

📧 Email Us

General Support:
support@calculatorhub.com

Business Inquiries:
business@calculatorhub.com

We typically respond within 24-48 hours during business days.

🕐 Response Time

Business Hours:
Monday - Friday: 9:00 AM - 5:00 PM EST

We aim to respond to all inquiries within 24-48 hours. For urgent matters, please mark your subject line as "URGENT".

🌐 Connect With Us

💡 Common Questions

Do I need to create an account?
No! All our calculators are free and require no registration.

Can I use calculators on mobile?
Yes! All calculators work perfectly on any device.

Are the calculators accurate?
All our calculators are tested and verified for accuracy.

Looking for Quick Answers?

Check out our Frequently Asked Questions section for instant help with common queries.

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