{
  "calculator": "bmr-calculator",
  "title": "BMR Calculator",
  "site": "AI Fit Hub",
  "input": {},
  "defaults_used": {
    "sex": "male",
    "age": 30,
    "weight_kg": 78,
    "height_cm": 178,
    "activity_level": "moderate"
  },
  "result": {
    "primaryLabel": "Basal metabolic rate (BMR)",
    "primaryValue": 1747.5,
    "primaryFormat": "calories",
    "summary": "BMR is the energy your body uses at complete rest (Mifflin-St Jeor). Maintenance multiplies it by your activity factor; the targets are maintenance − 500 and + 250 kcal.",
    "metrics": [
      {
        "label": "Maintenance calories (TDEE)",
        "value": 2708.63,
        "format": "calories"
      },
      {
        "label": "Fat-loss target",
        "value": 2208.63,
        "format": "calories"
      },
      {
        "label": "Lean-gain target",
        "value": 2958.63,
        "format": "calories"
      },
      {
        "label": "Protein baseline",
        "value": 140.4,
        "format": "grams"
      }
    ],
    "warnings": [],
    "assumptionsEcho": {
      "sex": "male",
      "age": 30,
      "weight_kg": 78,
      "height_cm": 178,
      "activity_level": "moderate"
    }
  },
  "provenance": {
    "run": "https://aifithub.io/api/run/bmr-calculator",
    "page": "https://aifithub.io/bmr-calculator/",
    "contract": "https://aifithub.io/contracts/bmr-calculator.json",
    "engine": "https://aifithub.io/engines/bmr-calculator.js",
    "engine_sha256": "a0169bfab1460394354144d7480dc15ba49ef97d54515bb85f4eff5423a2f35f",
    "build": "9e8a56a16bda662ba90601b49561a2b176e9c379"
  },
  "disclaimer": "General fitness estimates — not medical advice.",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "cite": "AI Fit Hub, BMR Calculator (engine a0169bfab146), https://aifithub.io/api/run/bmr-calculator"
}