Ideal Weight Calculator
💡 What Is the Ideal Weight Calculator?
The Ideal Weight Calculator helps you estimate a healthy body weight based on established medical formulas such as Devine, Hamwi, Robinson, and Miller. It uses data like height, age, gender, and frame size to provide a healthy weight range.
This tool is ideal for:
- Doctors prescribing weight-based medication healthsystem.virginia.edu+2brettelliott.com+2yazio.com+2opencriticalcare.org+15evidencio.com+15calculator.net+15betterhealth.vic.gov.au+4glamour.com+4verywellfit.com+4calculator.net
- Fitness enthusiasts tracking progress
- Anyone aiming for a medically informed weight goal
- Beginners seeking personalized weight targets
🔍 How It Works
Enter:
- Height (in cm or ft/in)
- Gender
- Age
- Optional: Frame Size (Small, Medium, Large)
The calculator then shows ideal weight ranges using formulas and compares them with healthy BMI recommendations.
🧮 Sample Calculation
Example:
- Height: 170 cm
- Gender: Female
- Age: 30
Results:
- Robinson: ~59 kg
- Devine: ~57 kg
- Hamwi: ~54 kg
- Miller: ~56 kg
- BMI Recommended Healthy Range: 54–72 kg calculator.netnhlbi.nih.govcaloriecontrol.org+7verywellfit.com+7rush.edu+7
📊 Why These Formulas Matter
Each formula was developed for specific clinical uses:
- Devine (1974): Drug dosage planning glamour.com+3calculator.net+3evidencio.com+3
- Hamwi (1964): Nutritional therapy
- Robinson/Miller (1980s): Medical and athletic weight guidance
- BMI ranges (WHO): 18.5–24.9 for adult health en.wikipedia.org+14calculator.net+14yazio.com+14verywellhealth.com+5medicalnewstoday.com+5betterhealth.vic.gov.au+5
📈 Visual Range Comparison
mermaidCopyEditbar
title Ideal Weight by Formula
"Robinson" : 59
"Devine" : 57
"Hamwi" : 54
"Miller" : 56
"BMI Low" : 54
"BMI High" : 72
This chart shows how different methods align with BMI’s healthy range.
✅ Health & Fitness Benefits
- 🔍 Personalized Insight: Based on height, gender,and age
- 🩺 Medical Relevance: Supports accurate drug dosing
- 🧠 Fitness Guidance: Better than generic weight charts
- 💪 Athlete Application: Adjust for frame size/custom goals
- 📚 Educational: Learn why formulas differ
⚠️ Important Limitations
- Doesn’t assess muscle vs fat—athletes may weigh more due to muscle glamour.com+6verywellfit.com+6calculator.net+6calculator.netevidencio.comnhlbi.nih.gov+3glamour.com+3evidencio.com+3
- Ethnicity/body composition not considered—Bariatric patients may need adjusted targets verywellhealth.com+1rush.edu+1
- Use school-child-specific tools for under 18 or over 65 years, verywellhealth.com+3healthsystem.virginia.edu+3betterhealth.vic.gov.au+3
- Ideal weight ≠ , perfect health—we recommend consulting a doctor or nutritionist