{
  "id": "ideal-weight-calculator",
  "version": "2.0.0",
  "name": "Ideal Weight Calculator",
  "shortName": "Ideal Weight",
  "description": "Compare the Robinson, Miller, Devine, and Hamwi ideal-body-weight formulas and the healthy BMI weight range.",
  "category": "Health & Fitness",
  "categorySlug": "health-fitness",
  "keywords": [
    "ideal body weight",
    "Devine formula",
    "Robinson formula",
    "Miller formula",
    "Hamwi formula"
  ],
  "status": "live",
  "workStatus": "pending",
  "reviewStatus": "pending",
  "migrationStatus": "migrated",
  "migratedDate": "2026-08-25",
  "engine": "native",
  "creator": null,
  "reviewer": null,
  "quality": {
    "availability": "live",
    "technicalReviewRecord": "/reviews/ideal-weight-calculator.json",
    "qualifiedReview": "pending",
    "qualifiedReviewer": null,
    "qualifiedReviewDate": null,
    "formulaVersion": "2.0.0",
    "referenceCoverage": "references-listed",
    "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.",
    "historicalMetadataDate": "2026-08-25",
    "historicalMetadataNotice": "The imported date is not evidence of a completed human review."
  },
  "notice": "Ideal-weight formulas are historical population estimates, not personalized health targets.",
  "urls": {
    "page": "/calculator/ideal-weight-calculator/",
    "definition": "/calculator/ideal-weight-calculator/definition.json",
    "schema": "/calculator/ideal-weight-calculator/schema.json",
    "llms": "/calculator/ideal-weight-calculator/llms.txt",
    "legacyDefinition": "/calculator/ideal-weight-calculator.json"
  },
  "queryExample": "https://askcalculators.com/calculator/ideal-weight-calculator/?unitSystem=imperial&sex=male&feet=5&inches=10",
  "queryParameters": {
    "unitSystem": {
      "label": "Units",
      "type": "select",
      "required": true,
      "default": "imperial"
    },
    "sex": {
      "label": "Sex used by equation",
      "type": "select",
      "required": true,
      "default": "male"
    },
    "heightCm": {
      "label": "Height",
      "type": "number",
      "required": true,
      "default": 178,
      "showWhen": {
        "field": "unitSystem",
        "equals": "metric"
      }
    },
    "feet": {
      "label": "Height feet",
      "type": "number",
      "required": true,
      "default": 5,
      "showWhen": {
        "field": "unitSystem",
        "equals": "imperial"
      }
    },
    "inches": {
      "label": "Height inches",
      "type": "number",
      "required": true,
      "default": 10,
      "showWhen": {
        "field": "unitSystem",
        "equals": "imperial"
      }
    }
  },
  "inputs": [
    {
      "id": "unitSystem",
      "label": "Units",
      "type": "select",
      "required": true,
      "defaultValue": "imperial",
      "options": [
        {
          "label": "Metric",
          "value": "metric"
        },
        {
          "label": "Imperial",
          "value": "imperial"
        }
      ],
      "width": "full"
    },
    {
      "id": "sex",
      "label": "Sex used by equation",
      "type": "select",
      "required": true,
      "defaultValue": "male",
      "options": [
        {
          "label": "Male",
          "value": "male"
        },
        {
          "label": "Female",
          "value": "female"
        }
      ],
      "width": "full"
    },
    {
      "id": "heightCm",
      "label": "Height",
      "type": "number",
      "required": true,
      "defaultValue": 178,
      "min": 100,
      "max": 250,
      "step": 0.1,
      "suffix": "cm",
      "showWhen": {
        "field": "unitSystem",
        "equals": "metric"
      },
      "width": "full"
    },
    {
      "id": "feet",
      "label": "Height feet",
      "type": "number",
      "required": true,
      "defaultValue": 5,
      "min": 4,
      "max": 8,
      "step": 1,
      "suffix": "ft",
      "showWhen": {
        "field": "unitSystem",
        "equals": "imperial"
      },
      "width": "half"
    },
    {
      "id": "inches",
      "label": "Height inches",
      "type": "number",
      "required": true,
      "defaultValue": 10,
      "min": 0,
      "max": 11.9,
      "step": 0.1,
      "suffix": "in",
      "showWhen": {
        "field": "unitSystem",
        "equals": "imperial"
      },
      "width": "half"
    }
  ],
  "outputs": [
    {
      "id": "average",
      "label": "Average formula result",
      "format": "text",
      "primary": true
    },
    {
      "id": "devine",
      "label": "Devine formula",
      "format": "text"
    },
    {
      "id": "robinson",
      "label": "Robinson formula",
      "format": "text"
    },
    {
      "id": "miller",
      "label": "Miller formula",
      "format": "text"
    },
    {
      "id": "hamwi",
      "label": "Hamwi formula",
      "format": "text"
    },
    {
      "id": "healthyRange",
      "label": "BMI healthy-weight range",
      "format": "text"
    }
  ],
  "formula": {
    "expression": "Each ideal-body-weight equation starts with a sex-specific 5-foot baseline and adds a formula-specific amount for every inch above 5 feet."
  },
  "examples": [
    {
      "label": "Reproducible default-input example (not a personal recommendation)",
      "inputs": {
        "unitSystem": "imperial",
        "sex": "male",
        "heightCm": 178,
        "feet": 5,
        "inches": 10
      }
    }
  ],
  "sources": [
    {
      "label": "Calculator.net reference calculator",
      "url": "https://www.calculator.net/ideal-weight-calculator.html"
    }
  ]
}