Contact Us

We're always happy to hear from you. Whether you have questions, suggestions, or business inquiries, feel free to reach out using the form below.

Send Us a Message

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What We Can Help With

Technical Support

Report bugs, conversion errors, or issues with our calculators and tools. Please include device type and steps to reproduce.

Feedback & Suggestions

Share ideas for new features, unit categories, or improvements to existing tools. We value your input!

Business Partnerships

Interested in collaboration, API-powered integrations, or advertising opportunities? Let's talk.

General Inquiries

Questions about our service, feature requests, or anything else not covered above.

Common Questions

How long does it take to get a response?

We typically respond within 2–3 business days. During high-volume periods, it may take slightly longer.

Do you offer phone support?

Currently, we provide support via email only. This allows us to document issues more effectively and serve users worldwide across different time zones.

Can I suggest a new conversion tool?

Absolutely! We're always looking to expand our tool offerings. Send us your suggestions using the form above, and we'll review them for future updates.

Business & Partnership Opportunities

UnitHarbor is part of the Tavvian ecosystem and serves thousands of users worldwide. We're open to exploring:

  • White-label products via API — build under your own brand (Business plan recommended)
  • API access for enterprise clients
  • Marketing collaborations and advertising placements on UnitHarbor

For business inquiries, please include "Partnership" in the subject line for priority review. Looking to build an API-powered product? See API plans →

Thank you for reaching out! We look forward to hearing from you.