Ideal Weight Calculator

Calculate ideal body weight using Robinson formula

Calculate ideal body weight using Robinson formula Enter your Gender, Height (cm) to get an instant ideal weight. Formula: if(gender == 1, 52 + 1.9 * ((height - 152.4) / 2.54), 49 + 1.7 * ((height - 152.4) / 2.54)).

Range: 100 – 250

Ideal Weight

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Ideal Weight

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How It Works

How It Works

This calculator estimates your ideal body weight based on your height and gender. It uses a standard formula that starts with a base weight and adjusts it depending on how tall you are.

First, the calculator converts your height from centimeters into inches above a reference height of 152.4 cm (5 feet). Then, it adds a small amount of weight for each inch above that height. The amount added per inch is slightly different for males and females.

  • Starts with a base weight (52 kg for males, 49 kg for females)
  • Uses 152.4 cm (5 feet) as the reference height
  • Adds weight for every inch above 152.4 cm
  • Uses different adjustment rates for males and females

Understanding the Results

The result gives you an estimated ideal weight in kilograms based on common health guidelines. It is meant to be a general reference, not a strict target.

Remember that ideal weight can vary depending on body type, muscle mass, and overall health. Use this number as a guide, and consider speaking with a healthcare professional for personalized advice.

  • The result is an estimate, not an exact rule
  • Healthy weight can vary from person to person
  • Muscle mass and body composition affect ideal weight
  • Use this as a starting point for health goals

Frequently Asked Questions

What does the Ideal Weight Calculator measure?

This calculator estimates your ideal body weight using the Robinson formula, which is based on your height and gender. It provides a general guideline for a healthy weight range. The result can help you set realistic fitness or health goals, but it does not account for body composition or muscle mass.

How do I use the Ideal Weight Calculator?

Select your gender and enter your height in centimeters. Make sure your height is within the allowed range (100–250 cm) for accurate results. Once entered, the calculator automatically applies the Robinson formula to estimate your ideal weight.

When should I use this calculator?

You can use this calculator if you want a general reference for what is considered an ideal weight based on your height and gender. It’s helpful when setting fitness goals, planning weight management strategies, or discussing health targets with a healthcare provider.

Is the calculated ideal weight suitable for athletes or very muscular individuals?

Not necessarily. The Robinson formula does not account for muscle mass, bone density, or body composition. Athletes or individuals with higher muscle mass may have a healthy weight that is above the calculated ideal value.

Why does the calculator ask for gender?

The Robinson formula uses different base values and adjustments for males and females due to average physiological differences. This ensures a more tailored estimate based on typical body composition patterns associated with each gender.

Is the ideal weight the same as a healthy weight range?

No, the ideal weight is a single estimated value, while a healthy weight typically falls within a range. Many health professionals also consider factors like BMI, waist circumference, and overall health indicators when determining a healthy weight range.

Disclaimer

This health calculator is for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Disclaimer.

Created by CalcLearn Team Reviewed for accuracy Last updated: Apr 15, 2026

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