BMI Based Fat % Estimator with Progress Logging - Track Your Body Composition Over Time
Assess and track your fitness with our free body fat percentage calculator online—now with progress logging for monitoring body fat changes over time. This enhanced body fat calculator uses BMI, age, and gender for accurate estimates, helping you log measurements and notes for a complete fitness body fat tracker experience. Perfect for weight loss journeys, gym progress, or health check-ins.
Log your calculations with optional notes to monitor fitness progress over time. Stored locally for privacy.
Integrate with our BMI Calculator for metrics or Daily Water Intake Calculator for hydration support.
Men: 8-19%; Women: 21-32% (athlete to average). Our tool provides categories for quick reference.
Deurenberg-based—solid estimate; for pro levels, use DEXA. Great for trends in weight loss body fat tracker.
Yes! Log dates, % , and notes—view body fat history log to see progress over time.
Yes, localStorage only—clear anytime. No server upload for privacy.
Yes, formula adjusts for metabolic differences in our male female body fat calculator.