Calculate Your Ideal Weight

Your Ideal Weight Range

136 – 172 lbs

Based on medical formulas for optimal health

Robinson Formula

154 lbs

Most accurate for general population

Miller Formula

152 lbs

Common in clinical assessments

Devine Formula

155 lbs

Originally for medication dosing

Your Body Mass Index (BMI)

22.7
Normal Weight

BMI range: 18.5 – 24.9 is considered healthy

What is an Ideal Body Weight (IBW)?

Ideal Body Weight (IBW) is a target weight range determined by your height, gender, and age. Unlike a “goal weight,” which might be based on aesthetics, IBW is focused on longevity and reducing the risk of conditions like Type 2 diabetes, hypertension, and heart disease.

In the world of fitness and health, the scale is often the first thing people look at. But what number should you actually be aiming for? While “perfection” is subjective, medical science offers an Ideal Weight Calculator framework to help identify the weight range where your body functions at its peak and your risk for chronic disease is lowest.

Why Knowing Your Ideal Weight Matters

Health Screenings: It serves as a baseline for doctors to assess potential health risks.

Medication Dosage: In clinical settings, some life-saving medications are dosed based on IBW rather than actual weight.

Sustainable Goal Setting: It provides a realistic destination for weight loss or muscle-building journeys.

How the Ideal Weight Calculator Works

Most modern calculators use a combination of Body Mass Index (BMI) and traditional medical formulas. While BMI is a general population tool, IBW formulas offer a more specific target for individuals.

The Robinson Formula: Often considered the most accurate for the general population.

The Miller Formula: Frequently used for clinical assessments.

The Devine Formula: Originally designed for medicinal dosing but widely used in fitness.

How to Move Toward Your Ideal Weight

Calculate Your Calorie Needs: Use your BMR (Basal Metabolic Rate) to find out how many calories you burn at rest.

Focus on Protein: High protein intake helps preserve muscle while you lose fat.

Prioritize Movement: Don’t just “eat less”—focus on moving more through “NEAT” (Non-Exercise Activity Thermogenesis) like walking and taking the stairs.