Terms of use - Effective August 20, 2026

Use the estimate as education, not a prescription.

These terms describe the permitted use and limitations of Deficit Compass.

Acceptance

By accessing or using Deficit Compass, you agree to these terms and the Privacy Policy. If you do not agree, do not use the site.

Educational purpose

Calculators, projections, guides, and datasets are provided for general educational and informational use. They do not diagnose, treat, prescribe, establish a clinician-patient relationship, or replace a physician or registered dietitian.

Do not rely on this site for urgent or individualized medical decisions. Users under 18 and users who are pregnant, breastfeeding, managing a medical condition, taking medication that affects weight, or living with a current or past eating disorder should use qualified individualized guidance.

No guarantee of accuracy or outcomes

Deficit Compass publishes methods and tests its calculations, but predictive equations, activity factors, body-fat estimates, calorie logs, and weight forecasts contain uncertainty. Results may be incomplete, inaccurate, or inappropriate for an individual. No weight, health, revenue, or performance outcome is guaranteed.

Ownership

Deficit Compass was built by and is the property of Builderfox LLC. Unless a separate license or third-party attribution states otherwise, the site's original software, design, written content, and brand materials are owned by Builderfox LLC. Research papers, trademarks, retailer content, and other third-party materials remain the property of their respective owners.

Permitted use

You may use the public calculators and guides for personal, non-commercial educational purposes. The benchmark dataset is available under the license stated on its research page. You may not misuse the service, interfere with its operation, attempt unauthorized access, or present its output as professional medical advice.

Third-party services and links

The site may link to research databases, government tools, analytics, advertising, or other third-party services. Their content and practices are governed by their own terms and policies. A link is not an endorsement unless explicitly stated.

Changes and contact

Features, content, and these terms may change. Material methodology corrections are recorded in the correction log. Questions can be sent through Contact.