Contact FreightMaths
Questions, calculator suggestions, bug reports — or just want to say hello? We'd love to hear from you.
Send Us a Message
We respond to all inquiries within 48 hours.
💡 Suggest a Calculator
Have an idea for a tool that would help logistics professionals? We build new calculators based on what the community asks for. The more detail you can give us about the formula and use case, the faster we can ship it.
🐛 Report a Bug
Found a calculation error or something that doesn't look right? Let us know the calculator name, the inputs you used and what result you expected. We'll investigate and fix it.
🤝 Partnerships
Interested in embedding FreightMaths calculators on your site, or exploring a content partnership? Drop us a line and we'll set up a conversation.
Common Questions
Yes — all 280+ calculators are completely free. No sign-up, no subscription, no hidden fees, no ads. Open a calculator, enter your numbers, get your result.
We use industry-standard formulas — NMFC density scales, FMCSA regulatory rules, carrier DIM divisors, US customs tariff structures and more. Results are estimates for planning purposes. Always verify with official sources for critical business decisions.
We're happy to discuss embed permissions and content partnerships. Use the form above or email us at hello@freightmaths.com with details about your site and how you'd like to use our tools.
We add new tools every month, prioritised by community requests. If you suggest a calculator that fills a genuine need, there's a good chance we'll build it.