Ideal Weight Calculator

Calculate your scientifically recommended ideal weight based on height, gender, and age. Get instant results with our premium tool - completely free!

Your Information

Metric (cm, kg)
Imperial (ft/in, lbs)
Male
Female
Small
Medium
Large

Your Results

Your Ideal Weight

64.5 kg

Range: 61.2 - 67.8 kg

BMI: 22.3 (Healthy)

Health Status

Healthy Weight Range

Your calculated weight falls within the healthy range for your height and age.

Recommendations

  • Maintain a balanced diet with proper nutrients
  • Engage in regular physical activity (150 mins/week)
  • Monitor weight monthly for healthy maintenance

About Ideal Weight

What is Ideal Weight?

Your ideal body weight is an estimate of what you should weigh based on your height, gender, and body frame. It's a useful measurement for determining if you're at a healthy weight and can help guide your fitness goals.

This calculator uses scientifically validated formulas including Robinson, Miller, Devine, and Hamwi to provide the most accurate estimate of your ideal weight range.

Maintaining a weight within your ideal range can reduce the risk of weight-related health problems and contribute to overall well-being.

How It Works

Our calculator processes your inputs using multiple established medical formulas to determine your ideal weight:

  • Robinson Formula: Developed in 1983, widely used in clinical settings
  • Miller Formula: Updated version of Devine formula with different constants
  • Devine Formula: Created in 1974 for medication dosing calculations
  • Hamwi Formula: Developed in 1964 for clinical assessments

Frequently Asked Questions

How accurate is this ideal weight calculator?

Our calculator uses multiple scientifically validated formulas to provide a comprehensive ideal weight range. While it's highly accurate for most people, individual factors like muscle mass, bone density, and body composition can affect your personal ideal weight. For personalized advice, consult with a healthcare professional.

Why does gender affect ideal weight?

Men and women naturally have different body compositions. Men typically have more muscle mass and bone density, while women have a higher percentage of body fat. These biological differences mean that ideal weight calculations must account for gender to provide accurate recommendations.

What does body frame size mean?

Body frame size refers to the size and structure of your skeletal frame. People with larger frames typically have heavier bone structures and can healthily carry more weight than those with smaller frames. You can estimate your frame size by measuring your wrist circumference or by comparing your build to standard frame size charts.

Is BMI the same as ideal weight?

No, BMI (Body Mass Index) and ideal weight are related but different concepts. BMI is a ratio of weight to height that categorizes individuals into underweight, healthy weight, overweight, and obese ranges. Ideal weight is a specific weight range considered optimal for your height, gender, and frame size. Our calculator provides both your ideal weight range and BMI for comprehensive health insights.

How often should I check my ideal weight?

Your ideal weight changes only with significant changes in height (during growth periods) or as you age (after 50, slight adjustments may be needed). For most adults, recalculating once a year is sufficient. However, if you're actively working on weight management, tracking your current weight against your ideal weight monthly can help monitor progress.

Note: This ideal weight calculator provides estimates based on established formulas. Individual health considerations may vary. Always consult with a healthcare provider before making significant changes to your diet or exercise routine.