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Ideal Weight Calculator

Find your healthy weight range based on height, age and frame size

Ideal Weight
— kg
Healthy Range
—
BMI at ideal
—
Ideal Weight by Formula
Devine Formula—
Robinson Formula—
Miller Formula—
BMI Method (18.5–24.9)—
Recommended Range (frame-adjusted)—

Note: Ideal weight is a range, not a single number. Frame size, muscle mass, age, and ethnicity all affect what is "healthy" for you. These formulas are guidelines — consult your doctor for personalized advice.

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What is Ideal Weight Calculator?

Calculate ideal body weight for your height and gender using multiple formula (BMI, Devine, Robinson, Miller). Free online healthy weight calculator. Health calculators aligned with Indian dietary guidelines and South Asian health benchmarks. TekPulse's Ideal Weight Calculator is completely free — no signup, no ads in results, and no data stored on our servers.

How to Use Ideal Weight Calculator Online

  1. Enter your height in centimetres (or feet and inches)
  2. Select your gender
  3. View ideal weight estimates from four formulas: Hamwi, Robinson, Miller, and Devine
  4. The healthy BMI weight range (18.5–24.9) is also shown for comparison
  5. Remember these are estimates — body composition and muscle mass are not accounted for

Ideal Weight Calculator Formula & Calculation

Devine (men): 50 + 2.3 × (height_inches − 60) | Devine (women): 45.5 + 2.3 × (height_inches − 60)

Indian healthy BMI range: 18.5–23 (ICMR). Ideal weight range = 18.5 to 23 × Height(m)².

Example: Male, 175 cm (5 ft 9 in = 69 inches).
Devine formula: 50 + 2.3 × (69 − 60) = 50 + 20.7 = 70.7 kg.
BMI-based healthy range (18.5–23): 56.6 kg to 70.4 kg.
Healthy range for an Indian male at 175 cm: 57–70 kg.

Key Factors That Affect Your Result

  1. Height is the primary driver — Indian men average 165–170 cm, women 152–157 cm. Always use Indian-adjusted BMI cutoffs (18.5–23 vs WHO's 18.5–24.9) for ideal weight targets.
  2. Frame size — Wrist circumference indicates frame: women < 5.5" = small, 5.5–5.75" = medium, > 5.75" = large; men < 6.5" = small, 6.5–7.5" = medium, > 7.5" = large. Large-framed individuals may healthily weigh 10% above the formula.
  3. Body composition over scale weight — A 62 kg woman with 30% body fat is less healthy than a 68 kg woman with 22% body fat. Ideal weight is a starting target; body fat % and waist circumference are better long-term metrics.
  4. Age adjustment — Gaining 0.5–1 kg per decade after 35 is metabolically normal as muscle density changes. Ideal weight at 50 is slightly higher than at 25; focus on waist circumference staying under 80 cm (women) / 90 cm (men).

Why Use TekPulse Ideal Weight Calculator?

Runs Entirely in Your Browser
All formulas are calculated instantly with JavaScript — your height and weight are never uploaded
4 Established Formulas
Calculates ideal weight using the Devine (1974), Robinson (1983), and Miller (1983) equations alongside the standard BMI range
Frame-Size Adjustment
Adjusts the recommended healthy range by ±10% based on small, medium, or large frame size
Metric & Imperial Height
Enter height in centimetres or feet/inches

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Frequently Asked Questions

Multiple formulas exist. The most common are: Hamwi (men: 48kg for 5ft + 2.7kg/inch above; women: 45.5kg + 2.2kg/inch), Robinson, Miller, and Devine. This calculator shows all four so you can see the range.

They are related but different. Ideal weight formulas are based on height and gender. A healthy BMI weight range (18.5–24.9) can also be calculated from your height. Ideal weight typically falls within the healthy BMI range but is a single number rather than a range.

Not necessarily. These formulas were developed for clinical settings and do not account for body composition, muscle mass, bone density, or ethnicity. A healthy weight range (from BMI) combined with body fat percentage is a more complete picture.

Yes — all major ideal weight formulas use different starting weights for men and women and different increments per inch of height. Men typically have a higher ideal weight at the same height due to higher average muscle and bone mass.

For South Asians including Indians, health guidelines recommend a lower BMI cutoff: 18.5–22.9 as normal, 23–24.9 as overweight, and 25+ as obese. This is lower than the WHO global standard (25 overweight, 30 obese) due to higher cardiovascular risk at lower BMI in South Asians.

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