{
  "id": "calories-burned-walking",
  "version": "4a9f05024d4f",
  "status": "published",
  "name": "Calories Burned Walking Calculator",
  "question": "What walking calories do I burn?",
  "summary": "Estimates the calories burned walking from body weight, pace or hill, and minutes, with MET values from the 2024 Adult Compendium of Physical Activities.",
  "category": "health",
  "subcategory": "body",
  "url": "https://www.acalculator.org/health/calories-burned-walking-calculator",
  "markdown": "https://www.acalculator.org/health/calories-burned-walking-calculator.md",
  "kind": "function",
  "method": "Calories = MET × 3.5 × weight (kg) ÷ 200 × minutes; calories above resting use MET − 1.",
  "assumptions": [
    "MET values are the 2024 Adult Compendium’s, measured in adults 19 to 59 years old.",
    "One MET is taken as 3.5 mL of oxygen per kilogram per minute, and 1 litre of oxygen as 5 kilocalories (the Compendium’s conversions).",
    "The answer is an estimate for an average person; fitness, age, terrain, and carrying a load change the real cost.",
    "This is for information only and is not medical advice."
  ],
  "inputs": {
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "type": "object",
    "properties": {
      "weight": {
        "title": "Weight",
        "description": "Your body weight.",
        "type": [
          "number",
          "string"
        ],
        "x-quantity": "mass",
        "exclusiveMinimum": 0,
        "maximum": 700
      },
      "pace": {
        "title": "Pace or hill",
        "description": "How fast you walk, or the hill grade, which sets the MET value.",
        "type": "string",
        "enum": [
          "17151",
          "17152",
          "17170",
          "17190",
          "17200",
          "17220",
          "17230",
          "17231",
          "17180",
          "17034",
          "17035"
        ]
      },
      "min": {
        "title": "Minutes walked",
        "description": "How long you walk, in minutes.",
        "type": "integer",
        "minimum": 1,
        "maximum": 1440
      }
    }
  },
  "outputs": {
    "calories": {
      "label": "Calories burned",
      "description": "Total kilocalories burned during the walk, including what the body burns at rest.",
      "format": "number"
    },
    "net": {
      "label": "Above resting",
      "description": "Kilocalories burned beyond what you would burn resting for the same time: (MET − 1) of the total.",
      "format": "number"
    },
    "perHour": {
      "label": "Calories per hour",
      "description": "Kilocalories burned per hour at this pace and weight.",
      "format": "number"
    },
    "met": {
      "label": "MET value",
      "description": "The Compendium’s energy cost of the activity as a multiple of the resting rate.",
      "format": "number"
    }
  },
  "defaultAnswer": {
    "inputs": {
      "weight": 72.57477920000001,
      "pace": "17190",
      "min": 30
    },
    "outputs": {
      "calories": 144.78668450400002,
      "net": 106.684925424,
      "perHour": 289.57336900800004,
      "met": 3.8
    },
    "text": "Walking for 30 minutes (Moderate, 2.8 to 3.4 mph) at 160 lb burns about 145 calories."
  },
  "examples": [
    {
      "given": {
        "weight": 72.57477920000001,
        "pace": "17190",
        "min": 30
      },
      "expect": {
        "calories": 144.78668450400002,
        "net": 106.684925424,
        "perHour": 289.57336900800004,
        "met": 3.8
      },
      "source": "2024 Adult Compendium code 17190 (3.8 MET) and its unit conversion (kcal/min = MET × 3.5 × kg ÷ 200); hand calculation in content.mdx"
    },
    {
      "given": {
        "weight": 70,
        "pace": "17200",
        "min": 60
      },
      "expect": {
        "calories": 352.8,
        "net": 279.29999999999995
      },
      "source": "2024 Adult Compendium code 17200 (4.8 MET); hand calculation in content.mdx: 4.8 × 3.5 × 70 ÷ 200 × 60"
    },
    {
      "given": {
        "weight": 90.718474,
        "pace": "17034",
        "min": 45
      },
      "expect": {
        "calories": 378.63623085750004,
        "net": 307.1954325825
      },
      "source": "2024 Adult Compendium code 17034, uphill 1 to 5% grade (5.3 MET); hand calculation in content.mdx"
    },
    {
      "given": {
        "weight": 55,
        "pace": "17152",
        "min": 20
      },
      "expect": {
        "calories": 53.89999999999999,
        "met": 2.8
      },
      "source": "2024 Adult Compendium code 17152 (2.8 MET); hand calculation in content.mdx: 2.8 × 3.5 × 55 ÷ 200 × 20"
    }
  ],
  "sources": [
    "Herrmann SD, Willis EA, Ainsworth BE, et al. 2024 Adult Compendium of Physical Activities: a third update of the energy costs of human activities. Journal of Sport and Health Science 2024;13:6–12. doi:10.1016/j.jshs.2023.10.010",
    "Compendium of Physical Activities, Walking (codes 17034 to 17231). https://pacompendium.com/walking",
    "Compendium of Physical Activities, Unit Conversions: 1 MET = 3.5 mL/kg/min; METs to kcal/min = METs × 3.5 × body weight in kg ÷ 200. https://pacompendium.com/unite-conversions/",
    "NIST SP 811 (2008), Appendix B: 1 lb = 0.45359237 kg exactly."
  ],
  "related": [
    "target-heart-rate",
    "bmi",
    "water-intake"
  ],
  "changelog": []
}