Ideal Weight Calculator

This is an online ideal weight calculator that helps you find out how much you should weigh and what a healthy weight range is for most people of your height based on BMI (Body Mass Index). Use this calculator for adults who are 20 years old or older.

How much should I weigh?

There are many possible ways to determine the ideal weight of a person. However, none of them is perfectly accurate, as there are a lot of factors influencing it.

Our ideal body weight calculator provides you with two figures – An ideal weight calculated based on four different formulas, and an ideal BMI  range. While the four formulas finds an ideal weight that you should be aiming for, BMI gives you a certain weight range you should be in.

The ideal weight formulas for men:

• Robinson formula: 52 kg + 1.9 kg per every inch over 5 feet
• Miller formula: 56.2 kg + 1.41 kg per every inch over 5 feet
• Hamwi formula: 48.0 kg + 2.7 kg per every inch over 5 feet
• Devine formula: 50.0 kg + 2.3 kg per every inch over 5 feet

For women, the ideal weight calculator uses the following ideal weight formula:

• Robinson formula: 49 kg + 1.7 kg per every inch over 5 feet
• Miller formula: 53.1 kg + 1.36 kg per every inch over 5 feet
• Hamwi formula: 45.5 kg + 2.2 kg per every inch over 5 feet
• Devine formula: 45.5 kg + 2.3 kg per every inch over 5 feet

What is a healthy BMI range?

BMI, short for Body Mass Index, is calculated as BMI = weight / height2.

The healthy range for BMI is between 18.5 and 24.9. Our ideal weight calculator plugs the two figures into the BMI formula to find out the boundary values of the ideal weight range. Y