Body & Weight

Body Fat Calculator

Estimate your body fat percentage using the US Navy tape-measure method. No special equipment needed — just a measuring tape.

📏 Body Measurements

Below larynx, tape level

At navel, breathe normally

Accuracy: US Navy method has 3–4% margin of error vs DEXA scan. Best used to track changes over time.
Body Fat Percentage
16.9%
Fitness
12.7 kg
Fat Mass
16.9% of total
62.3 kg
Lean Mass
83.1% of total
📊 Body Fat Reference Ranges (Men)
2–5%
Essential Fat
6–13%
Athletic
14–17%
Fitness ← You
18–24%
Average
25%+
Obese