Ideal Weight Calculator

Multiple formulas (Devine, Hamwi, Robinson, Miller) • BMI healthy weight range

Sex

Male Female

Height 170 cm

Tip: drag the slider or type your exact height in centimeters.

Units:

kg lb

Your Ideal Weight Estimates

Devine

—

50 kg (M) / 45.5 kg (F) + 2.3 kg/inch over 5′

Hamwi

—

48.0 (M) / 45.5 (F) + 2.7 / 2.2 kg/inch

Robinson

—

52 (M) / 49 (F) + 1.9 / 1.7 kg/inch

Miller

—

56.2 (M) / 53.1 (F) + 1.41 / 1.36 kg/inch

BMI Healthy Weight Range

—

BMI 18.5 – 24.9 converted to weight for your height

Suggested Target (BMI 22)

—

Midpoint of the healthy range (BMI ≈ 22)

These formulas are population estimates for adults. For athletes, seniors, or medical conditions, consult a healthcare professional.

What is it & why use it?
Find your ideal body weight based on height, gender, and age using standard medical formulas. This tool on Calci.in helps individuals plan healthy weight goals.

Formula (explained)
Devine Formula (Men) = 50 + 2.3 × (height in inches – 60)
Devine Formula (Women) = 45.5 + 2.3 × (height in inches – 60)
Variables: height = in inches; constants differ for men and women.

Example calculation
Male, 5’8” (68 in) → 50 + 2.3 × 8 = 68.4 kg.
Female, 5’8” (68 in) → 45.5 + 2.3 × 8 = 63.9 kg.

Benefits & use cases
1. Check healthy weight range
2. Plan weight goals
3. Useful for medical and fitness purposes

Related calculators on Calci.in
BMI Calculator
BMR Calculator
Calorie Calculator

External references (authority sources)
NIH – Healthy Weight

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FAQs
Q1: Is ideal weight the same for everyone?
A: No, it depends on gender, height, body composition, and age.
Q2: Which formula is used?
A: Common formulas include Devine, Robinson, Miller, etc. This calculator uses Devine.
Q3: Can athletes rely on this?
A: No, athletes with high muscle mass may weigh more but still be healthy.
Q4: Should I aim for exact ideal weight?
A: No, aim for a healthy range instead of a fixed number.