Reverse BMI Calculator (with Example)

A Reverse BMI Calculator is a tool that helps you determine the ideal weight you need to reach in order to achieve a specific Body Mass Index (BMI).

Instead of calculating your BMI based on your current weight and height, a reverse BMI calculator works the other way around: you input your desired BMI, along with your height, and the calculator tells you the weight you need to reach that goal.

⭐ Calculator

Enter

  • BMI
  • Height

the tool will provide a target weight

What Is BMI?

BMI is a measurement used to assess whether an individual is underweight, normal weight, overweight, or obese based on their height and weight. The formula for calculating BMI is:

BMI = Weight (kg)/Height (m)2

Where:

  • Weight is in kilograms (kg),
  • Height is in meters (m).

How a Reverse BMI Calculator Works

In a reverse BMI calculator, you input your height and the desired BMI you want to achieve, and it calculates the corresponding weight you should aim for.

The reverse formula is derived from the original BMI formula and is given by:

Weight (kg) = BMI × Height (m)2

Example of Using a Reverse BMI Calculator

Let’s say you are 1.75 meters tall (175 cm) and you want to have a BMI of 22 (a healthy weight within the normal BMI range). Using the calculator above, you should aim for a weight of approximately 67.4 kilograms

Benefits of Using a Reverse BMI Calculator

  1. Goal Setting: A reverse BMI calculator helps you set realistic weight goals based on your height and desired BMI. This is especially useful for people working on weight management, whether losing or gaining weight.
  2. Health Tracking: By knowing the weight associated with your ideal BMI, you can work toward maintaining a healthy weight, which can help reduce the risk of diseases like diabetes, heart disease, and high blood pressure.
  3. Customizable Targets: Everyone has different goals, whether it’s reaching the upper or lower range of a normal BMI. The reverse BMI calculator allows you to set personalized weight targets for a specific BMI number.
  4. Easy to Use: It simplifies the process of understanding weight and health by focusing on what your weight should be, rather than focusing on where you currently are.

Who Should Use a Reverse BMI Calculator?

  • Individuals Setting Weight Loss Goals: If you’re aiming to reach a healthy BMI, this tool will help you determine the exact weight to target.
  • Healthcare Providers: Doctors and dietitians can use reverse BMI calculators to help patients understand what weight range is ideal for their height.
  • Fitness Enthusiasts: Those tracking their fitness progress can use it to set personalized and healthy weight targets.

Limitations of a Reverse BMI Calculator

While BMI is a useful tool for understanding weight relative to height, it has limitations:

  • Does Not Measure Body Composition: BMI does not account for muscle mass, fat distribution, or body shape. A very muscular person might have a high BMI but low body fat.
  • Generalized Tool: It provides general guidance but does not consider other factors like age, gender, or fitness levels.