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    Health (High School Level)

    BMR Calculator

    Basal Metabolic Rate — calories your body burns at complete rest (Mifflin-St Jeor). Sex: 1 = male, 2 = female

    Standard Formula
    BMR = 10W + 6.25H − 5A + 5 (men) or − 161 (women)

    Interactive Sandbox

    Live Reactive

    Adjust values in real-time and observe mathematical cause-and-effect

    weight
    kg
    1210
    height
    cm
    1525
    age
    years
    190
    sex
    0.120
    Live EquationFormula Proof
    BMR = 10W + 6.25H − 5A + 5 (men) or − 161 (women) = 1648.75
    weight = 70Active Variable
    Dynamic Formula Model
    Calculated Solution
    1648.75

    Direct computational model evaluating BMR Calculator.

    Variable Mechanics

    Roles, constraints & impacts

    4 Params
    weight

    Weight

    Weight

    kg
    ImpactPrimary formula parameter
    ConstraintReal number
    height

    Height

    Height

    cm
    ImpactPrimary formula parameter
    ConstraintReal number
    age

    Age

    Age

    years
    ImpactPrimary formula parameter
    ConstraintReal number
    sex

    Sex (1 = male, 2 = female)

    Sex (1 = male, 2 = female)

    ImpactPrimary formula parameter
    ConstraintReal number

    At a Glance

    Gotchas, units & real-world use

    Essential

    Formula Nature & Mechanics

    Direct computational model evaluating BMR Calculator.

    Common Mistakes & Traps

    • Ensure all input measurements share consistent units before calculating.
    • Check for denominator values approaching zero to prevent undefined division.
    • Follow standard order of operations (PEMDAS: Parentheses, Exponents, Multiply/Divide, Add/Subtract).

    Dimensional Analysis & Units

    Direct evaluation matching formula variable dimensions.

    Real-World & Industry Application

    Widely utilized across modern health applications, academic analysis, and engineering estimations.

    Worked Example: BMR

    Given:

    • weight = 70
    • height = 175
    • age = 30
    • sex = 1
    1. 10 × 70 kg = 700
    2. 6.25 × 175 cm = 1093.75
    3. 5 × 30 years = 150
    4. BMR = 700 + 1093.75 − 150 + 5 = 1648.75 kcal/day

    Answer: 1648.75

    Frequently Asked Questions

    What is the BMR formula?

    BMR = 10W + 6.25H − 5A + 5 (men) or − 161 (women). Basal Metabolic Rate — calories your body burns at complete rest (Mifflin-St Jeor). Sex: 1 = male, 2 = female.

    How do I calculate BMR?

    Enter Weight (weight), Height (height), Age (age), Sex (1 = male, 2 = female) (sex) into the calculator. It applies BMR = 10W + 6.25H − 5A + 5 (men) or − 161 (women) and shows every step of the working.

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