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Health

IBW Calculator - Ideal Body Weight

Calculate Your Ideal Body Weight

Our IBW calculator uses established medical formulas (Robinson, Miller, Devine, Hamwi) to estimate your ideal body weight based on your height, gender, and body frame size.

Used by IBW formulas to calculate ideal weight

cm

Affects Hamwi formula. Based on wrist circumference or elbow breadth.

Choose a specific formula or see an average of all

Quick Tips

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Try an Example

Pick a scenario to see how the calculator works, then adjust the values

Average Male

Calculate ideal weight for a 170 cm male using all formulas.

Key values: 170 cm · Male · Average of All

Petite Female

Calculate ideal weight for a 5'4" female with a small frame.

Key values: 5 ft 4 in · Female · Small frame

Athletic Build

Calculate ideal weight for a tall male with a large frame.

Key values: 185 cm · Male · Large frame

Documentation

This calculator is also known as IBW Calculator - Ideal Body Weight.

Read the complete guide

About IBW Formulas

Ideal Body Weight formulas were originally developed for medical purposes, such as calculating medication dosages. They estimate the weight at which a person of a given height may experience optimal health outcomes.

Clinical Applications

IBW is commonly used in healthcare settings for drug dosing calculations and nutritional assessments.

  • Understand this is an estimate, not a strict target

Specialized Calculators

Choose from 4 specialized versions of this calculator, each optimized for specific use cases and calculation methods.

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