Ideal Weight Calculator

Use this ideal weight calculator to estimate a reference body weight from your height, gender and selected formula. It can be useful for general awareness and comparison, but it should be treated as a guideline rather than an exact health target.

Reference weight estimate Devine and Hamwi formulas Height-based result General awareness tool

Enter Your Details

Different formulas may give slightly different results because they use different assumptions. This tool shows a reference estimate, not a diagnosis.

Summary

Estimated Reference Weight
Selected Method
Height Entered

Result formulas were originally designed as practical reference methods. They do not directly measure body fat, frame size, muscle mass or overall health.

What Does an Ideal Weight Calculator Do?

An ideal weight calculator estimates a reference body weight using height, gender and a selected formula. It is commonly used for general awareness, rough comparisons and educational understanding of height-based weight formulas.

The result should not be treated as a universal rule. Healthy weight can vary from person to person depending on age, body composition, muscle mass, frame size and medical context.

Formulas Used on This Page

This calculator uses two common reference formulas:

These formulas estimate body weight from height and gender. They are often used as general reference methods, but they are not the only way to think about healthy weight.

How This Calculator Works

  1. Enter your height in centimeters.
  2. Select your gender.
  3. Choose the calculation method.
  4. Click Calculate Ideal Weight to view the estimated result.

The calculator converts height into inches and applies the selected formula to produce a reference weight estimate.

Why Different Methods Can Give Different Results

Different formulas use different base values and different weight adjustments for each inch above the reference height. That is why the same person may see slightly different results when switching between methods.

This does not mean one value is always right and the other is wrong. It simply shows that “ideal weight” is a model-based estimate rather than a single exact target.

When an Ideal Weight Calculator Is Useful

Method, Accuracy and Limitations

This calculator gives a reference estimate, not a complete health assessment. It does not account for body composition, muscle mass, age, ethnicity, medical conditions or individual fitness goals.

That means the result is best used for awareness and comparison rather than as a final recommendation. For personal health or weight-management goals, consult a qualified healthcare professional where needed.

Frequently Asked Questions

What does an ideal weight calculator do?
It estimates a reference body weight from height, gender and a selected formula such as Devine or Hamwi.
Is ideal weight an exact medical target?
No. It is a general reference estimate and not a final medical standard for every individual.
Why do different formulas give different results?
Because different formulas were created using different assumptions and adjustment values.
Can I use this calculator for health planning?
It can be used for general awareness and rough planning, but it should not replace professional advice.
Does this tool store my values?
No. The calculation runs in your browser and does not require signup.

Disclaimer: This calculator is provided for informational and educational use only. It does not replace medical advice, diagnosis or personalized health evaluation.