Health Risk & Body Calculator

Calculate your Ideal Body Weight, BMI, IRDS, and Waist Hip Ratio. Then save your results for tracking and expert guidance.

Basic Details

Ideal Body Weight (IBW)

Formula used: Male = Height in cm - 100, Female = Height in cm - 105

Body Mass Index (BMI)

Formula used: BMI = Weight (kg) ÷ Height (m²)

BMI ranges:
Underweight: < 18.5
Normal: 18.5 - 24.9
Overweight: 25.0 - 29.9
Obese: ≥ 30.0

Waist Hip Ratio (WHR)

Formula used: WHR = Waist circumference ÷ Hip circumference

Healthy WHR ranges:
Male: Low Risk < 0.90, Moderate Risk 0.90 - 0.99, High Risk ≥ 1.00
Female: Low Risk < 0.80, Moderate Risk 0.80 - 0.84, High Risk ≥ 0.85

IRDS Calculator

Calculate IRDS based on age, waist circumference, family history, and lifestyle.

IRDS Reference Table

Scoring used in this calculator based on the values shared by you.

CategoryCriteriaScore
Age< 350
Age35 to 4920
Age> 5030
Waist (Female)80 or less0
Waist (Female)81 to 8910
Waist (Female)90 or more20
Waist (Male)90 or less0
Waist (Male)91 to 9910
Waist (Male)100 or more20
Family HistoryParents has no DM0
Family HistoryEither 1 of parents has DM10
Family HistoryBoth parents have DM20
LifestylePhysical activity + strenuous work0
LifestyleNo physical activity + strenuous work20
LifestyleNo physical activity + no strenuous work / sedentary life30

See & Save My Results

Click below to automatically calculate all scores, show them, and send them to Google Sheet.

Your Health Scores

Ideal Body Weight
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Body Mass Index
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Waist Hip Ratio
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IRDS Score
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