MastersLab
02 // Body Composition
Setup
Calorie Model — Data Source
Option 1 — Manual
Tier 0
Option 1
No Body Scale
4 required inputs.
Mifflin-St Jeor BMR.
Confidence: Inferred (±10%)
Mifflin-St Jeor BMR.
Confidence: Inferred (±10%)
Tier 1
Option 2
Hume Body Scale
Full body comp scan data.
Katch-McArdle BMR.
Confidence: Estimated (±10–15%)
Katch-McArdle BMR.
Confidence: Estimated (±10–15%)
Option 1 — Demographic Inputs (Mifflin-St Jeor)
Estimated BMR
—kcal/day
Inferred ±10%
Demographic baseline only.
Accuracy improves with body
composition data (Option 2).
Accuracy improves with body
composition data (Option 2).
Enter your Hume Body Scale results below. BLE auto-sync via MastersLab app coming soon.
Option 2 — Hume Body Scale Data (Katch-McArdle)
Katch-McArdle BMR
—kcal/day
Estimated ±10–15%
BMR = 370 + (21.6 × LBM kg)
Higher accuracy with lean mass input.
Higher accuracy with lean mass input.
BMR
—kcal
Formula
—
—
Body Composition
Key Metrics
Right Arm→
—lb
Standard
Right Leg→
—lb
Standard
Left Arm→
—lb
Standard
Trunk→
—lb
Standard
Left Leg→
—lb
Standard
Weight Trend
Body Fat %
Muscle Mass
Hydration
Body Composition — Lean vs Fat vs Water
Metabolic
Custom Metric
Chart
No body scan data found
Open the MastersLab app → Body tab → log a scan, then return here