Editorial Policy
Our Commitment to Evidence-Based Health Information.
Medical Accuracy and Review Process
All content published on Weight Loss Percentage, including our calculators, guides, and articles, is strictly vetted for medical and scientific accuracy.
Our editorial team ensures that:
- Every claim regarding weight loss, nutrition, or hormonal health is backed by peer-reviewed studies or clinical guidelines.
- Our calculators are developed based on established scientific formulas (e.g., Mifflin-St Jeor, Harris-Benedict) and updated as clinical consensus evolves.
- Medical disclaimers are visibly present, ensuring users understand our tools are for educational purposes, not clinical diagnosis.
Author Qualifications
We work with credentialed experts, including Certified Personal Trainers (CPTs) like Rekha Kumar, to ensure our fitness and weight loss content reflects practical, safe, and effective methodologies.
Medically reviewed by Dr. Rekha Kumar, M.D., M.S. — Lead Medical Reviewer · Last reviewed: September 2026 · Updated: 2026-09-15
Evidence & references
This tool is for informational purposes only and is not a substitute for professional medical advice.
Frequently asked questions
Is this calculator free to use?
Yes. Every calculator on Weight Loss Percentage is free, with no sign-up or account required.
How accurate is the result?
Results depend on the accuracy of what you enter and the published formulas the tool uses, which follow standard guidance from national health authorities. Track the trend over weeks rather than relying on a single reading.
How often should I check it?
Check whenever your weight, activity or goals change — for most people once a week is enough to see a reliable trend.
Who reviews the content on this site?
All medical and nutrition content is written and reviewed by Dr. Rekha Kumar, M.D., M.S., our lead medical reviewer, and cites guidance from U.S. federal health sources such as the CDC and NIH.