Get in touch.
Bug reports, feature ideas, custom embed requests, business inquiries — we read everything that comes in.
What to write about
🐛 Bug reports
Spot a calculation error or display issue? Tell us which page, what you entered, and what you expected.
💡 Feature requests
A new unit, a new use case, a missing carrier preset — we want to hear it.
🔗 Embed customization
Need our calculator on your site with custom branding or without our attribution? Get in touch.
📰 Press & partnerships
For journalists, link partners, and integration inquiries.
🔒 Privacy & data
Privacy concerns, GDPR/CCPA data requests, or questions about our ad partners.
💼 Business
Acquisition interest, advertising sponsorships, or any other commercial topic.
Before you write
A lot of common questions are already answered on our FAQ page, our about page (methodology and sources), and our privacy policy. If your question is already covered there, you'll get a faster answer by checking those first.