Ideal Weight Calculator

Calculate your ideal body weight based on height using top medical formulas.

ft
in

Calculated Targets

-- kg
Devine Formula
The standard medical benchmark
-- kg
Robinson Formula
Optimized for better accuracy
-- kg
Miller Formula
Commonly used in sports science

Important Note

These formulas provide an estimate. They do not account for muscle mass or body fat percentage. Athletes may naturally exceed these ranges.

Discover your target

Enter your height to see what medical science suggests as your ideal weight range.

Ideal Weight Calculator – Find Your Healthy Target Weight

Calculate your ideal body weight using multiple medical formulas with our free online Ideal Weight Calculator. No software installation, no registration, and no data storage. Simply enter your details and get instant, personalized healthy weight ranges.

Whether you're setting weight loss goals, preparing for a medical consultation, or just curious about your healthy weight range, this tool uses established medical formulas including Devine, Robinson, Miller, and Hamwi to give you science-based targets.

Ideal Weight Calculator Online Tool
Features of Ideal Weight Calculator

Why Use Our Ideal Weight Calculator?

  • 100% Free – No hidden charges or premium tiers
  • Privacy First – Your personal data never leaves your browser; nothing is stored online
  • Multiple Medical Formulas – Devine, Robinson, Miller, and Hamwi formulas for comprehensive results
  • Frame Size Adjustment – Optional adjustment for small, medium, or large body frames
  • BMI Range Included – See how your ideal weight aligns with healthy BMI categories
  • Multiple Units – Results in pounds, kilograms, and stones

How to Find Your Ideal Weight

  1. Select your gender (male or female)
  2. Choose your preferred unit (centimeters/feet for height, kilograms/pounds for weight)
  3. Enter your height
  4. Optional: Estimate your body frame size (small, medium, or large)
  5. Click Calculate Ideal Weight to see results from multiple medical formulas

No technical skills required – the process takes just seconds.

How to calculate ideal weight steps

Practical Use Cases for Our Ideal Weight Calculator

Every day, thousands of health-conscious individuals use our calculator to understand their healthy weight range. Here are just a few ways knowing your ideal weight can help you:

Goal Setting

Set realistic, healthy weight loss or gain goals based on medical formulas rather than arbitrary numbers or fad diet promises.

Medical Consultations

Prepare for doctor visits with objective weight targets. Useful for discussions about weight-related health conditions like diabetes or hypertension.

Fitness Journey

Track progress toward a healthy weight range rather than focusing solely on the scale number. Understand where you want to be long-term.

Insurance & Wellness

Some insurance programs use ideal weight ranges for wellness incentives. Check where you stand for potential benefits.

Pro Tips & Best Practices

Understand your ideal weight with these expert insights:

  • Formulas Are Estimates: These medical formulas were developed for specific populations. Use them as guidelines, not absolute rules. The best weight for you depends on muscle mass, bone density, and overall health.
  • Consider Frame Size: People with larger frames can carry more weight healthily. Measure your wrist circumference to estimate frame size: <5.5" (small), 5.5-6.5" (medium),>6.5" (large) for women; <6.5" (small), 6.5-7.5" (medium),>7.5" (large) for men.
  • BMI Is Not Everything: A muscular athlete may have a "high" BMI but low body fat. Use ideal weight formulas alongside body composition and how you feel for a complete picture.
Ideal weight calculator tips and best practices

Core Benefits of Using an Ideal Weight Calculator

  • Science-Based Targets: Move beyond guesswork and fad diet numbers. Get weight ranges based on peer-reviewed medical research.
  • Multiple Perspectives: Different formulas give different results. See a range of healthy weights rather than a single potentially misleading number.
  • Health Awareness: Understand how your current weight compares to established healthy ranges and set informed goals.
  • Motivation: Having a clear, realistic target weight can keep you motivated on your health journey.

Complete Privacy – Your Data Stays on Your Device

Unlike online calculators that may track or store your personal information, Sellooo's Ideal Weight Calculator works entirely in your browser using JavaScript. Your height, gender, and all personal data never leave your device, aren't stored anywhere, and remain completely confidential. No servers, no logs, no tracking.

Frequently Asked Questions

Find detailed answers to common questions about ideal weight calculations and healthy weight ranges.

Yes, Sellooo's Ideal Weight Calculator is completely free. There are no paywalls, no hidden subscription fees, and no "pro" features you have to unlock. We believe essential health tools should be accessible to everyone without cost barriers.

We use four standard medical formulas: Devine (1974) – Most commonly used in clinical settings; Robinson (1983) – Modified Devine for lower targets; Miller (1983) – More conservative estimates; Hamwi (1964) – Simple formula with frame adjustments. Each was developed for specific populations, so seeing all four gives you a healthy range.

Measure your wrist circumference just below the wrist bone. For women: under 5.5" = small frame, 5.5-6.5" = medium frame, over 6.5" = large frame. For men: under 6.5" = small frame, 6.5-7.5" = medium frame, over 7.5" = large frame. Alternatively, measure elbow breadth with a caliper for more accuracy.

Not exactly. "Ideal weight" formulas provide a specific target, while "healthy weight" usually refers to the range associated with lowest health risks (often BMI 18.5-24.9). Your ideal weight should fall within this healthy BMI range. Being within the healthy BMI range is more important than hitting a specific formula number.

These formulas work best for general populations. Athletes and highly muscular individuals may have higher weights due to muscle mass, not fat. If you have significant muscle, your "ideal" weight might be above these formulas. Body composition (body fat percentage) is a better metric for muscular individuals.

Each formula was developed using different populations and methodologies. The Devine formula tends to give higher values, while Robinson often gives lower ones. This variation is actually helpful – it provides a healthy weight range rather than a single potentially arbitrary number. A weight anywhere within these ranges is likely healthy.

Your privacy is our highest priority. All calculations run strictly locally inside your web browser using JavaScript. This means your height, gender, and all personal data is never transmitted to our servers, stored anywhere, or logged. You can use our calculator with complete confidence.

Yes! Our tool is entirely web-based and fully responsive. It works flawlessly on any modern browser on Windows, macOS, Linux, iOS (iPhone/iPad), and Android devices. No app installation required – just open your browser and calculate your ideal weight instantly.

Explore More Health & Fitness Tools

Looking for more ways to understand your health? Check out our BMI Calculator, Calorie Calculator, or Macro Calculator at sellooo.com.