Bioimpedance Body Fat Calculator
Calculate body composition using bioelectrical impedance analysis (BIA) data including resistance and reactance measurements.
Personal Data
BIA Measurements
Typically 400-700 ohms
Typically 40-80 ohms
About BIA
Bioelectrical impedance analysis measures the body's resistance to a small electrical current. Lean tissue conducts electricity well due to water content, while fat tissue has higher resistance.
Body Fat Percentage
25.1%
Obese
Body Composition
Fat Mass20.1 kg (25.1%)
Fat-Free Mass59.9 kg (74.9%)
Additional Metrics
Total Body Water43.8 L (54.7%)
Impedance (Z)502.5 Ohms
Phase Angle5.7°
Phase angle: Normal range
For Accurate Results
- • Avoid eating 4 hours before measurement
- • Avoid exercise 12 hours before
- • Avoid alcohol 24 hours before
- • Empty bladder before measurement
- • Maintain consistent hydration