{
  "calculator": "muscle-gain-potential-calculator",
  "title": "Muscle Gain Potential Calculator",
  "site": "AI Fit Hub",
  "input": {},
  "defaults_used": {
    "sex": "male",
    "height_cm": 178,
    "wrist_cm": 17.5,
    "ankle_cm": 22,
    "current_weight_kg": 80,
    "current_body_fat_pct": 18,
    "training_years": 0
  },
  "result": {
    "maxLeanMassKg": 80.3,
    "maxWeightAt10PctBf": 89.2,
    "currentLeanMassKg": 65.6,
    "potentialReachedPct": 81.7,
    "remainingGainKg": 14.7,
    "estimatedYears": 2,
    "heightCm": 178,
    "warnings": [
      "Without your training years, the timeline assumes you are starting out and gaining at first-year rates."
    ]
  },
  "provenance": {
    "run": "https://aifithub.io/api/run/muscle-gain-potential-calculator",
    "page": "https://aifithub.io/muscle-gain-potential-calculator/",
    "methodology": "https://aifithub.io/methodology/muscle-gain-potential-calculator/",
    "contract": "https://aifithub.io/contracts/muscle-gain-potential-calculator.json",
    "engine": "https://aifithub.io/engines/muscle-gain-potential-calculator.js",
    "engine_sha256": "9d906775541551cf479a8a82730e9c53ffa63261fe0d79ef00b0fff071b4c21f",
    "build": "9e8a56a16bda662ba90601b49561a2b176e9c379"
  },
  "disclaimer": "General fitness estimates — not medical advice.",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "cite": "AI Fit Hub, Muscle Gain Potential Calculator (engine 9d9067755415), https://aifithub.io/api/run/muscle-gain-potential-calculator"
}