Healthy weight is a range, not a single number. The WHO defines a healthy BMI between 18.5 and 24.9 - for any height, that translates into a weight band. Indians are advised to use a tighter range (18.5-22.9) because of higher metabolic risk at lower BMIs.
Healthy weight range
53.5 kg – 72.0 kg
BMI 18.5 - 24.9
Overweight band
72.3 kg – 86.7 kg
BMI 25 - 29.9
WHO classification
Standard WHO cutoffs work for most non-South-Asian populations. For Indians, the Asian/Indian standard catches risk earlier.
BMI doesn't account for muscle mass, age, or body composition. Athletes and resistance-trained people often score 'overweight' but have low body fat. Pair with the Body Fat or Lean Body Mass calculator for a complete picture.
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Healthy weight is a range, not a single number. The body operates well across a band of weights at any given height, and obsessing over a single 'ideal' is counterproductive. This calculator gives you the WHO global range (BMI 18.5-24.9) and the stricter Asian-Indian range (BMI 18.5-22.9) that Indian medical bodies recommend due to elevated cardio-metabolic risk in South Asians at lower BMI thresholds. Both ranges are evidence-based and used clinically in their respective contexts.
The Indian Council of Medical Research (ICMR) and the Asia-Pacific WHO have established the stricter range for South Asians because numerous studies show we develop type-2 diabetes, hypertension, dyslipidemia and metabolic syndrome at lower BMIs than Caucasian populations. The cutoff of 22.9 for the upper end of normal (vs 24.9 globally) reflects this. Indian doctors increasingly use the Asian-Indian range for routine clinical guidance.
Enter your height in cm or feet & inches.
Pick the standard you want - WHO global or Asian/Indian.
See the healthy weight range and the cutoff for overweight.
Healthy weight (kg) = BMI × height(m)². For each end of the BMI range we compute the corresponding weight. The Asian/Indian threshold uses 22.9 as the upper end of normal because of higher cardiometabolic risk in South Asians.
MinWeight = 18.5 × H² ; MaxWeight = 24.9 × H²
The healthy weight range for a given height is computed by multiplying the BMI cutoffs by the square of height in metres. Lower bound: 18.5 × H². Upper bound (WHO global): 24.9 × H². Upper bound (Asian Indian): 22.9 × H². At 170 cm: WHO range 53.5-72.0 kg; Indian range 53.5-66.2 kg - a meaningful 6 kg difference at the upper end. The lower bound (underweight cutoff) is the same in both standards.
The Asian-Indian thresholds are based on extensive ICMR research showing that visceral fat - abdominal fat surrounding internal organs - accumulates at lower body weights in South Asians. This visceral fat is more metabolically damaging than subcutaneous fat. A 70 kg Indian with normal BMI (24.3 at 170 cm by global standards) often has higher visceral fat than a similar-BMI Caucasian.
Healthy weight should be combined with waist circumference for a complete picture. WHO recommends waist under 90 cm (men) and 80 cm (women) for South Asians - even within healthy BMI range, exceeding these waist thresholds indicates increased metabolic risk. Combined healthy weight + healthy waist is a more robust health marker than weight alone.
WHO healthy range: 53.5-72.0 kg (BMI 18.5-24.9). Asian Indian healthy range: 53.5-66.2 kg (BMI 18.5-22.9). For an Indian adult, the upper bound is meaningfully lower. Aim toward the middle of the Indian range (~60 kg) for optimal metabolic health.
WHO range: 50.4-67.8 kg. Asian Indian range: 50.4-62.3 kg. Anyone at 65 kg falls within WHO normal but exceeds Asian Indian normal - meaningful for risk assessment.
ICMR studies showed Indians develop diabetes, hypertension and heart disease at lower BMIs than Europeans. The 22.9 cutoff catches metabolic risk earlier.
BMI doesn't account for muscle mass. Athletes and resistance-trained people often score 'overweight' but have low body fat. Use Body Fat or Lean Body Mass calculators to confirm.
Healthy weight is a population-based range tied to disease risk. Ideal weight is a single target derived from formulas (Devine, Robinson, etc.) used for medication dosing and rough guidance.
Slow loss preserves muscle. Aim for 0.5-1% of body weight per week. A 75 kg person should target 0.4-0.75 kg loss per week.
Less so. Sarcopenia (muscle loss with age) means a 'healthy' BMI in a 70-year-old can hide low muscle mass. Pair BMI with grip strength and body composition for elderly assessment.
Yes. Children use BMI-for-age percentiles, not adult cutoffs. Check WHO child-growth charts or speak to a pediatrician.
Body composition, daily energy needs and pregnancy timelines all rest on formulas validated across millions of people, but no single number tells the whole story. The values from this calculator are point estimates with a known margin of error - body fat from skinfold or US Navy method has roughly a ±3% standard error compared to a DEXA scan, and BMR can vary ±10% person to person at the same height and weight. Use these numbers to track trends week over week, not to chase decimal precision day to day.
Pair this tool with the BMR, TDEE, calorie and macro calculators to turn a single measurement into an actionable plan. None of these tools are a substitute for a qualified doctor, registered dietitian or certified strength coach - but they remove the busywork so you spend more time on training and recovery, less on math.
The Healthy Weight Calculator is part of the Health & Fitness suite on Online Calculator Tools, alongside 6 related calculators. All tools share the same UI patterns, the same privacy-first rendering (nothing is sent to a server), and the same commitment to showing the formula and assumptions behind every result.
