Terms of Use
Last updated: January 2026
1. Acceptance of Terms
By accessing and using FreightMaths.com ("the Site"), you agree to be bound by these Terms of Use. If you do not agree with any part of these terms, please do not use the Site.
2. Calculator Disclaimer — Estimates Only
All calculators on FreightMaths are provided for estimation and educational purposes only. Results are approximations based on industry-standard formulas and publicly available reference data. They should not be relied upon as the sole basis for business, financial, or operational decisions.
Freight rates, NMFC classifications, carrier DIM divisors, fuel prices, customs duty rates, FMCSA regulations, and other data points used in our calculators change frequently. Actual charges, fees, and requirements may differ from calculator estimates.
Before making business decisions, always verify with official sources including but not limited to: the National Motor Freight Traffic Association (NMFTA) for freight class, the Federal Motor Carrier Safety Administration (FMCSA) for hours-of-service regulations, individual carrier tariffs and contracts for shipping rates, and US Customs and Border Protection (CBP) for duty rates and import fees.
3. No Professional Advice
FreightMaths does not provide legal, financial, tax, or regulatory compliance advice. Content on this site is informational and educational. For specific guidance on tax obligations, legal compliance, customs classification, or financial planning, consult qualified professionals such as licensed customs brokers, CPAs, or attorneys.
4. Accuracy and Completeness
We strive to keep calculator formulas accurate and reference data current. However, we make no warranties or representations regarding the accuracy, completeness, or reliability of any information on this site. Errors may exist, and data may be outdated.
5. Limitation of Liability
FreightMaths, its creators, contributors, and affiliates shall not be liable for any direct, indirect, incidental, consequential, or special damages arising from the use of, or inability to use, this website or reliance on calculator results. This includes but is not limited to lost profits, business interruption, carrier reclassification fees, customs penalties, or any other financial loss.
Use of this site and its tools is entirely at your own risk.
6. Intellectual Property
All content, calculator designs, code, text, graphics, and the FreightMaths brand are the intellectual property of FreightMaths. You may use the calculators freely for personal and commercial purposes. You may not copy, reproduce, redistribute, embed, reverse-engineer, or create derivative works from our calculators or content without prior written permission.
7. Permitted Use
You may use FreightMaths calculators for:
- Personal freight cost estimation and planning
- Business rate quoting and operational budgeting
- Educational and training purposes
- Internal company reference
You may not use this site to: scrape data at scale, redistribute our tools as your own, or use our content to train AI models without permission.
8. Links to Third Parties
FreightMaths may contain links to external websites (carrier sites, government agencies, industry resources). We are not responsible for the content, accuracy, or privacy practices of these external sites.
9. Availability
We aim to keep FreightMaths available 24/7 but do not guarantee uninterrupted access. The site may be temporarily unavailable due to maintenance, updates, or technical issues.
10. Changes to Terms
We may update these terms at any time. The "last updated" date at the top reflects the most recent revision. Continued use of FreightMaths after changes constitutes acceptance of the updated terms.
11. Governing Law
These terms shall be governed by and construed in accordance with applicable law, without regard to conflict of law provisions.
12. Contact
Questions about these terms? Contact us at hello@freightmaths.com or visit our contact page.