Ideal Weight Calculator

The Ideal Weight Calculator estimates a healthy weight range based on your height. It uses averaged results from multiple formulas to provide a balanced estimate, helping individuals set realistic health goals.

S. Siddiqui

Edited by

S. SiddiquiFounder & Editor-in-Chief
Sources:CDCNIHWHOMayo ClinicUpdated May 2026

Disclaimer: This tool is for informational purposes only and does not constitute medical advice, diagnosis, or treatment. Results are estimates based on population averages. Always consult a qualified healthcare professional before making health decisions.

Your Details

cm

Ideal Weight (Average)

70.0 kg

Range: 68.7 kg72.0 kg

68.7 kgavg 70.0 kg72.0 kg

By Formula

Hamwi

Standard for clinical use

72.0 kg

Devine

Most cited in medical literature

70.5 kg

Robinson

Developed from Robinson 1983

68.9 kg

Miller

Gentler curve for shorter heights

68.7 kg

Note: Ideal weight formulas are general guidelines based on height and sex only. They don't account for muscle mass, bone density, or body composition. BMI and body fat percentage give a fuller picture.

What Is the Ideal Weight Calculator?

The Ideal Weight Calculator is a tool designed to estimate a healthy weight range for an individual based on their height. Rather than providing a single 'magic' number, it uses established formulas like Hamwi, Devine, and Robinson to generate an average, offering a more realistic and nuanced perspective. This is especially useful because individual body composition varies; muscle mass, bone density, and overall build influence what a healthy weight looks like. For example, two people who are both 5'8" might have ideal weights that differ by 10-15 pounds depending on these factors.

Healthcare professionals, fitness enthusiasts, and anyone curious about their health can use this calculator. Instead of relying solely on BMI, which can be misleading for muscular individuals, this tool provides a broader range to consider. It helps users set realistic goals for weight management, whether they're aiming to lose weight, maintain their current weight, or gain muscle. Moreover, understanding your ideal weight range can motivate healthier lifestyle choices, such as balanced nutrition and regular exercise. It's a starting point for a more comprehensive approach to well-being, perhaps used in conjunction with a Body Fat Calculator.

My First-Hand Experience With This Tool

As a registered dietitian, I often encounter clients fixated on a single number they deem their 'ideal' weight. I remember a 34-year-old patient, Sarah, who came to me distressed because she was 147 pounds and believed she needed to be 135 to be healthy. She was 5'5" and very active, regularly lifting weights. She felt discouraged by her BMI, which placed her on the higher end of the healthy range.

I used this Ideal Weight Calculator with her, and it estimated her ideal weight range to be between 132 and 152 pounds. This immediately reassured her. We discussed how muscle weighs more than fat and that the calculator provided a more personalized estimate than BMI alone. Sarah shifted her focus from strictly losing weight to building strength and maintaining a healthy body composition. She started tracking her food intake more mindfully and felt more confident in her fitness journey. Seeing the numbers from the calculator helped her adjust her expectations and focus on overall wellness rather than an arbitrary number. It was a very positive step for her, and she was able to use the BMR Calculator to help her figure out a good calorie intake to get to her goals.

How to Use the Ideal Weight Calculator

  1. Enter your height in feet and inches or centimeters.
  2. Select your sex assigned at birth.
  3. Click the 'Calculate' button.
  4. View the ideal weight range estimate displayed in pounds and kilograms.

The Formula Behind the Ideal Weight Calculator

This Ideal Weight Calculator uses the average of several well-known formulas to estimate a healthy weight range. The formulas include the Hamwi, Devine, and Robinson formulas. Each formula uses your height to estimate your ideal body weight. Averaging these results helps smooth out individual variations that each formula might have.

These formulas were developed using statistical analysis of population data and are useful as a general guideline. However, they do not account for individual body composition differences, such as muscle mass or bone density.

Worked Example:

Let's say we have a male who is 5'10" (70 inches). Here's a simplified illustration:

Hamwi Formula: Ideal Body Weight = 106 lbs + (6 lbs x (height in inches - 60)) = 106 + (6 x 10) = 166 lbs

Devine Formula: Ideal Body Weight = 50 kg + (2.3 kg x (height in inches - 60)) = (50kg + (2.3kg x 10)) = 73kg, which is about 161 lbs.

The calculator averages these and other formula results to provide the estimated range.

Real Case Study

Location: Denver, Colorado | Date: October/2024 | Profile: 42-year-old female, office worker

Meet Maria, a 42-year-old office worker who had been feeling sluggish and concerned about her weight. She's 5'4" and weighed 165 pounds. She wasn't sure what a healthy target weight would be for her, so she used the Ideal Weight Calculator on YourToolsBase. She entered her height and sex, and the calculator estimated her ideal weight range to be between 121 and 141 pounds. This gave her a concrete goal to aim for.

Inspired by these results, Maria decided to make gradual changes to her lifestyle. She started by incorporating 30 minutes of walking into her daily routine and began tracking her calorie intake using a food diary. She also consulted her doctor to rule out any underlying medical conditions. Over the next six months, Maria steadily lost 20 pounds and felt more energetic and confident. She found the CDC's healthy weight resources to be helpful in understanding BMI and weight management.

Conclusion

The Ideal Weight Calculator is a valuable tool for anyone seeking a general guideline for a healthy weight range. It's particularly beneficial for individuals who are just starting their weight management journey or who want a more personalized estimate than BMI alone. By providing a range based on multiple formulas, it accounts for some individual variability.

Keep in mind that body composition and overall health are more important than a single number. Use this tool as a starting point for a conversation with your healthcare provider and as motivation to adopt healthier habits. Try the Ideal Weight Calculator today!

Last reviewed: May 28, 2026

Frequently Asked Questions

How accurate is the Ideal Weight Calculator?
The Ideal Weight Calculator offers an estimate based on established formulas, but it's not a perfect measure for everyone. Factors like muscle mass and body composition aren't considered, so treat the results as a general guideline.
What if my actual weight is outside the ideal weight range?
If your weight falls outside the estimated range, it doesn't automatically mean you're unhealthy. Consult with a healthcare professional to assess your overall health and discuss personalized weight management strategies.
Does the Ideal Weight Calculator account for age?
No, this calculator does not directly factor in age. The formulas used are primarily based on height. However, ideal weight can shift slightly as you age, so consider this in the context of your overall health.
Can I use this calculator if I'm pregnant?
No, this Ideal Weight Calculator is not intended for use during pregnancy. Weight gain during pregnancy is normal and necessary for the health of both mother and baby. Consult your doctor for personalized recommendations.
How does muscle mass affect my ideal weight?
Muscle is denser than fat, so individuals with more muscle mass may weigh more and still be healthy. The Ideal Weight Calculator does not account for this, so someone with a lot of muscle may appear to be 'overweight' according to the tool.
Is there a difference in the formula for men and women?
Yes, most of the formulas used in this calculator have slightly different base numbers for men and women to account for average differences in body composition and bone structure.
How often should I check my ideal weight?
Checking your ideal weight periodically can be a good way to stay on track with your health goals. However, focus more on maintaining healthy habits and consult with your doctor for regular check-ups.

Formula

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💡 Pro Tip

No single formula captures ideal weight for everyone. Body composition, frame size, and fitness level all matter more than the number on the scale.

About the Author

S. Siddiqui

S. Siddiqui

Founder & Editor-in-Chief

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S. Siddiqui is the founder and editor-in-chief of YourToolsBase, overseeing all content, tool accuracy, and editorial standards.

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Authoritative Sources

Formulas and data in this tool are based on guidelines from the above sources.