Body fat percentage healthy ranges: men 6-25%, women 14-31% general population. Athletes lower: men 6-13%, women 14-20%. Essential fat minimum: men 2-5%, women 10-13% necessary for health.
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Choose your gender and the estimation method. US Navy is more accurate if you have a tape measure.
For Navy method: height, waist, and neck (add hip for females). For BMI method: height, weight, and age.
See your body fat percentage, category, and optionally fat/lean mass breakdown.
This calculator uses established BMI or calorie formulas based on current health and fitness standards. Input your measurements (height, weight, age, activity level) to receive calculations following CDC, WHO, or exercise science guidelines.
Interpreting your body fat results requires context. Consider your specific circumstances, goals, and relevant benchmarks. Use results as one data point when making decisions. For critical applications, consult with a relevant professional who can provide personalized guidance based on your complete situation.
For the most accurate results, enter precise values and double-check your inputs before calculating. Small errors in inputs can lead to significant differences in results. Use the calculator multiple times with slightly different values to understand how sensitive the results are to changes in your inputs. This sensitivity analysis helps you understand which factors have the most impact.
For men: Athletic 6-13%, Fitness 14-17%, Average 18-24%. For women: Athletic 14-20%, Fitness 21-24%, Average 25-31%.
