Terms of Use

Last updated: March 2026

Please read these Terms of Use ("Terms") carefully before using IFTACalculators.com (the "Service") operated by IFTACalculators.com ("we," "us," or "our"). By accessing or using our Service, you agree to be bound by these Terms.

1. Acceptance of Terms

By using IFTACalculators.com, you confirm that you are at least 18 years of age and agree to comply with and be bound by these Terms. If you do not agree with any part of these Terms, please discontinue use of the Service immediately.

2. Description of Service

IFTACalculators.com provides a free, browser-based calculator to help commercial motor carriers estimate their quarterly IFTA (International Fuel Tax Agreement) fuel tax liability. The Service is provided for informational and estimation purposes only. It does not constitute tax advice, legal advice, or professional services of any kind.

3. No Professional Advice

The information and calculations provided by this Service are for general informational and estimation purposes only. They do not constitute tax advice, legal advice, accounting advice, or any other professional advice. You should consult a qualified tax professional or accountant before making any tax filing decisions. IFTACalculators.com is not responsible for any tax filings, penalties, interest charges, or other consequences arising from use of this Service.

4. Accuracy of Information

While we strive to keep IFTA tax rates and calculation methodologies accurate and up to date, we make no representations or warranties of any kind, express or implied, about the completeness, accuracy, reliability, or suitability of any information provided. Tax rates change every quarter. Always verify current rates at the official IFTA, Inc. website at iftach.org before filing your official IFTA return.

5. User Responsibilities

You agree to use this Service only for lawful purposes and in accordance with these Terms. You are responsible for:

6. Intellectual Property

The Service and its original content, features, and functionality are owned by IFTACalculators.com and are protected by applicable intellectual property laws. You may not reproduce, distribute, modify, or create derivative works of any content from this Service without prior written permission.

7. Disclaimer of Warranties

The Service is provided on an "as is" and "as available" basis without warranties of any kind, either express or implied, including but not limited to implied warranties of merchantability, fitness for a particular purpose, or non-infringement. We do not warrant that the Service will be uninterrupted, error-free, or free of viruses or other harmful components.

8. Limitation of Liability

To the maximum extent permitted by applicable law, IFTACalculators.com shall not be liable for any indirect, incidental, special, consequential, or punitive damages, including but not limited to loss of profits, data, or goodwill, arising out of or in connection with your use of the Service, even if we have been advised of the possibility of such damages.

9. Third-Party Links

Our Service may contain links to third-party websites, including iftach.org and state government portals. These links are provided for your convenience. We have no control over the content of those sites and accept no responsibility for them or for any loss or damage that may arise from your use of them.

10. Changes to Terms

We reserve the right to update or modify these Terms at any time. Changes will be effective immediately upon posting to the website. Your continued use of the Service after any changes constitutes your acceptance of the new Terms. We encourage you to review this page periodically.

11. Governing Law

These Terms shall be governed by and construed in accordance with the laws of the United States. Any disputes relating to these Terms will be subject to the exclusive jurisdiction of the courts of the applicable jurisdiction.

12. Contact

If you have questions about these Terms, please contact us via our contact page.