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Ideal Weight Calculator

There is no single “ideal” number, but classic medical formulas give a useful reference range for your height.

Calculated Result
73.0 kgkg

Ideal Weight (Devine)

Healthy Range

70.3–75.0 kg

Devine

73.0 kg (160.9 lb)

Robinson

71.0 kg

Miller

70.3 kg

Hamwi

75.0 kg

70.3–75.0 kg — Healthy weight range

Calculation Breakdown

  1. Convert heightHeight (in) = cm ÷ 2.54
  2. Devine formula50 kg + 2.3 kg per inch over 5 ft

What Is the Ideal Weight Calculator?

An ideal weight calculator estimates a healthy weight for a given height.

How Does the Ideal Weight Calculator Work?

It applies height-and-gender formulas and adjusts for frame size.

Ideal Weight Calculator Formula & Variables

The core mathematical equation utilized by this calculator is expressed as:

IBWmale=50+2.3×(in−60)IBW_{male} = 50 + 2.3 \times (in - 60)

The Devine formula is the most widely cited; Robinson, Miller and Hamwi offer alternatives that broaden the range.

How to Use the Ideal Weight Calculator

  1. Enter your height, gender and frame size.

Step-by-Step Example Calculation

5 ft 10 in male

Input Values:

heightCm:177.8
gender:male
frame:medium
Worked Steps: The formulas cluster near 73 kg, with a wider healthy range around it.

Understanding Your Result

The result is a reference weight and a healthy range.

Factors That Affect the Result

  • Height, gender and frame size affect the estimate.

When Should You Use This Calculator?

  • Use it as a rough reference, not a strict target.

Assumptions & Limitations

  • Formulas ignore muscle mass, age and medical history.

Frequently Asked Questions

Calculation Accuracy & Reference Note

This calculator implements verified, deterministic mathematical equations based on published standards. Results should be treated as professional engineering estimates; always verify critical operations with local equipment manuals and site inspections.

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