Fat Mass Index (FMI): Females, Age 45-49

What these numbers mean

A value around 11.67 kg/m² is typical (50th percentile) for females in this age group. The middle 50% of the reference population fall between about 8.60 kg/m² and 15.09 kg/m²; values below or above that central range sit in the lower or upper half of the distribution.

These are percentiles for all US adults aged 20 and over, from NHANES 1999-2004 Hologic DXA scans. Values from another scanner brand or calibration are not directly comparable, and percentile position is not a clinical category.

Also see: 40-44 · 50-54 · All ages

Data source: FitnessNorms derivation from NHANES 1999-2004 DXA (2026) · n=556 About this study

Reference population: US adults aged 20 and over in NHANES 1999-2004 with measured or NCHS-imputed DXA data, all race and Hispanic-origin groups

Fat Mass Index (FMI) Body Composition Females 45-49

Fat Mass Index (FMI) Percentile Chart (kg/m²)

Very low 5.67 kg/m²
Low 8.60 kg/m²
Average 11.67 kg/m²
High 15.09 kg/m²
Very high 20.97 kg/m²
Fat Mass Index (FMI) percentile distribution chart for Females, age 45-49 5th 5th: 5.67 kg/m² (Very low) 5.67 Very low 25th 25th: 8.60 kg/m² (Low) 8.60 Low 50th 50th: 11.67 kg/m² (Average) 11.67 Average 75th 75th: 15.09 kg/m² (High) 15.09 High 95th 95th: 20.97 kg/m² (Very high) 20.97 Very high 0 5 10 15 20 25 kg/m² Fat Mass Index (FMI) percentile distribution chart for Females, age 45-49 5th 5th: 5.67 kg/m² (Very low) 5.67 Very low 25th 25th: 8.60 kg/m² (Low) 8.60 Low 50th 50th: 11.67 kg/m² (Average) 11.67 Average 75th 75th: 15.09 kg/m² (High) 15.09 High 95th 95th: 20.97 kg/m² (Very high) 20.97 Very high 0 5 10 15 20 25 kg/m²

This percentile chart shows how common a value is, not whether it is healthy.

Compare

Other age brackets
20-2425-2930-3435-3940-4450-5455-5960-6465-6970-7475-7980-8485+ All
Males data Males, 45-49
Age trend

Related Metrics