Ideal Weight Calculator

Calculate your ideal body weight using multiple proven formulas. Determine healthy weight ranges based on height, age, and gender with comprehensive BMI analysis and recommendations.

How to use: Enter your height, age, and gender to calculate your ideal weight using multiple scientific formulas including Robinson, Miller, Devine, and Hamwi methods.

Ideal Weight Calculator

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Ideal Weight Calculation Results

Understanding Ideal Body Weight

Ideal body weight represents the optimal weight for a person's height, age, and gender based on health and longevity research. While no single formula is perfect for everyone, these calculations provide valuable guidelines for assessing whether your current weight falls within a healthy range.

Understanding your ideal weight is important for setting realistic health goals, whether you're trying to lose weight, gain weight, or maintain your current weight. These formulas have been developed and refined over decades of medical research and are widely used by healthcare professionals.

Ideal Weight Calculation Formulas

Robinson Formula (1983)

Men: 52 kg + 1.9 kg per inch over 5 feet
Women: 49 kg + 1.7 kg per inch over 5 feet

Modification of the Devine Formula for improved accuracy

Miller Formula (1983)

Men: 56.2 kg + 1.41 kg per inch over 5 feet
Women: 53.1 kg + 1.36 kg per inch over 5 feet

Another modification of the Devine Formula

Devine Formula (1974)

Men: 50 kg + 2.3 kg per inch over 5 feet
Women: 45.5 kg + 2.3 kg per inch over 5 feet

Originally developed for medical dosing calculations

Hamwi Formula (1964)

Men: 48 kg + 2.7 kg per inch over 5 feet
Women: 45.5 kg + 2.2 kg per inch over 5 feet

One of the earliest formulas for ideal weight calculation

BMI-Based Healthy Weight Range

The World Health Organization recommends a BMI range of 18.5-25 for optimal health. This provides a weight range rather than a single ideal weight, acknowledging that healthy weights can vary significantly between individuals.

BMI Category BMI Range Health Implications Recommendations
Underweight< 18.5Increased health risksConsult healthcare provider
Normal Weight18.5 - 24.9Lowest health risksMaintain current lifestyle
Overweight25.0 - 29.9Moderate health risksConsider weight loss
Obese≥ 30.0High health risksMedical evaluation recommended

Factors Affecting Ideal Weight

Body Frame Size: People with larger bone structures may weigh more while still being healthy. Frame size can be estimated by wrist circumference relative to height.
Muscle Mass: Athletes and people with high muscle mass may weigh more than ideal weight formulas suggest while still being very healthy.
Age: Healthy weight ranges may vary slightly with age. Some weight gain with age can be normal and healthy.
Gender: Men typically have higher muscle mass and bone density, leading to higher ideal weights than women of the same height.
Ethnicity: Different ethnic groups may have different healthy weight ranges due to genetic variations in body composition.

Limitations of Ideal Weight Formulas

Individual Variation: These formulas provide population averages and may not be accurate for everyone. Individual factors like genetics, medical conditions, and lifestyle significantly impact optimal weight.

Body Composition: Ideal weight formulas don't account for body composition. Someone with high muscle mass might exceed their "ideal weight" while being very healthy.

Health vs. Appearance: Ideal weight from a health perspective may differ from cosmetic preferences or cultural ideals.

Medical Conditions: Certain medical conditions, medications, or treatments can affect optimal weight ranges.

Using Ideal Weight Calculations Effectively

Set Realistic Goals: Use ideal weight as a general guideline rather than an absolute target. Focus on achieving a healthy weight range rather than a specific number.

Consider Multiple Factors: Combine ideal weight calculations with other health metrics like body fat percentage, waist circumference, and overall fitness level.

Gradual Changes: If your current weight differs significantly from calculated ideal weight, plan gradual changes over time rather than rapid weight loss or gain.

Professional Guidance: Consult healthcare providers for personalized advice, especially if you have medical conditions or concerns about weight management.

Healthy Weight Ranges by Height

Height Healthy Weight Range (BMI 18.5-24.9) Average Ideal Weight (Men) Average Ideal Weight (Women)
5'0" (152 cm)97-128 lbs (44-58 kg)106 lbs (48 kg)100 lbs (45 kg)
5'2" (157 cm)104-137 lbs (47-62 kg)115 lbs (52 kg)108 lbs (49 kg)
5'4" (163 cm)110-146 lbs (50-66 kg)124 lbs (56 kg)117 lbs (53 kg)
5'6" (168 cm)118-156 lbs (54-71 kg)133 lbs (60 kg)125 lbs (57 kg)
5'8" (173 cm)125-166 lbs (57-75 kg)142 lbs (64 kg)134 lbs (61 kg)
5'10" (178 cm)133-176 lbs (60-80 kg)151 lbs (68 kg)142 lbs (64 kg)
6'0" (183 cm)140-187 lbs (64-85 kg)160 lbs (73 kg)151 lbs (68 kg)

Tips for Achieving and Maintaining Ideal Weight

Balanced Nutrition: Focus on whole foods, appropriate portion sizes, and balanced macronutrients rather than restrictive dieting.

Regular Exercise: Combine cardiovascular exercise with strength training to build lean muscle mass and improve overall health.

Lifestyle Factors: Prioritize adequate sleep, stress management, and hydration as these significantly impact weight regulation.

Track Progress: Monitor changes in body composition, energy levels, and overall health rather than focusing solely on scale weight.

Be Patient: Sustainable weight changes occur gradually. Aim for 1-2 pounds per week for weight loss or gain.

Remember: Ideal weight calculations are tools for guidance, not rigid rules. The best weight for you is one that supports your health, energy, and well-being while being sustainable long-term. Always consult healthcare professionals for personalized advice.