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Healthy Weight Calculator

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Gender
Height
ft in

Results

Healthy Weight Range
128.9 - 173.5 lbs
WHO Healthy BMI: 18.5 – 24.9 kg/m² • (58.5 - 78.7 kg)
Your Current Assessment
BMI: 23 kg/m² (Healthy Weight)
In healthy range!
Weight Categories for Your Height (70 in)
Classification BMI (kg/m²) Weight (lbs)
Severe Thinness < 16.0 < 111.5 lbs
Moderate Thinness 16.0 – 16.9 111.5 - 118.5 lbs
Mild Thinness 17.0 – 18.4 118.5 - 128.9 lbs
Normal (Healthy Weight) Your Category 18.5 – 24.9 128.9 - 174.2 lbs
Overweight 25.0 – 29.9 174.2 - 209.1 lbs
Obese Class I 30.0 – 34.9 209.1 - 243.9 lbs
Obese Class II 35.0 – 39.9 243.9 - 278.8 lbs
Obese Class III ≥ 40.0 ≥ 278.8 lbs
Related: Ideal Weight • BMI • Calorie • Lean Body Mass

Understanding Healthy Body Weight

According to the World Health Organization (WHO) and the Centers for Disease Control and Prevention (CDC), maintaining a body weight within the BMI range of 18.5 to 24.9 significantly decreases the risk of cardiovascular diseases and type 2 diabetes.

Important Limitations to Keep in Mind

  • Muscular Athletes: Dense muscle mass can push BMI above 25.0 while maintaining low body fat.
  • Elderly Adults: A slightly higher BMI (23.0 to 27.0) is often protective against frailty in individuals over 65.
  • Ethnic Variations: The WHO notes that some Asian populations experience metabolic risks at a lower BMI threshold (≥ 23.0).

Understanding your calculation

Method, example and limitations

How the calculation works

Adult BMI reference weights are found by rearranging BMI = weight ÷ height². Multiply a chosen adult BMI reference by height in meters squared to estimate a corresponding weight.

Example to check

At 1.80 m, a BMI of 18.5 corresponds to about 59.94 kg. The upper adult healthy-weight boundary is below a BMI of 25, corresponding to below 81 kg.

Before using the result

These are population screening references, not a personalized safe weight range. Children and teens require age-specific interpretation, and pregnancy or muscularity can limit usefulness.

Calculation methodology · Report a result that needs review