Skeletal Muscle Mass Index (SMMI): Females, Age 40-44

What these numbers mean

A value around 6.80 kg/m² is typical (50th percentile) for females in this age group. Scores above about 7.30 kg/m² fall near the 75th percentile or higher, indicating above-average performance. Scores below about 6.41 kg/m² fall near the 25th percentile; about 75% of the reference population scored higher.

Also see: 45-49 · All ages

Data source: Lee et al. (UK Biobank SMMI) (2020) · n=390.6K About this study

Skeletal Muscle Mass Index (SMMI) Body Composition Females 40-44

Skeletal Muscle Mass Index (SMMI) Percentile Chart (kg/m²)

Poor 5.75 kg/m²
Below average 6.41 kg/m²
Average 6.80 kg/m²
Above average 7.30 kg/m²
Excellent 8.96 kg/m²
Skeletal Muscle Mass Index (SMMI) percentile distribution chart for Females, age 40-44 5th 5th: 5.75 kg/m² (Poor) 5.75 Poor 25th 25th: 6.41 kg/m² (Below average) 6.41 Below average 50th 50th: 6.80 kg/m² (Average) 6.80 Average 75th 75th: 7.30 kg/m² (Above average) 7.30 Above average 95th 95th: 8.96 kg/m² (Excellent) 8.96 Excellent 0 2 4 6 8 10 kg/m² Skeletal Muscle Mass Index (SMMI) percentile distribution chart for Females, age 40-44 5th 5th: 5.75 kg/m² (Poor) 5.75 Poor 25th 25th: 6.41 kg/m² (Below average) 6.41 Below average 50th 50th: 6.80 kg/m² (Average) 6.80 Average 75th 75th: 7.30 kg/m² (Above average) 7.30 Above average 95th 95th: 8.96 kg/m² (Excellent) 8.96 Excellent 0 2 4 6 8 10 kg/m²

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

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Other age brackets
45-4950-5455-5960-6465-69 All
Males data Males, 40-44
Age trend

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