1. What is BMI Percentage Loss?

BMI Percentage Loss measures the relative reduction in Body Mass Index (BMI) from an initial value to a current value. It's a useful metric for tracking weight loss progress in relation to a person's height.

2. How Does the Calculator Work?

The calculator uses the following equation:

Where:

• Initial BMI — Starting Body Mass Index (kg/m²)
• Current BMI — Current Body Mass Index (kg/m²)

Explanation: The formula calculates what percentage of the original BMI has been lost, providing a relative measure of weight change.

3. Importance of BMI Percentage Loss

Details: Tracking BMI percentage loss is important because it accounts for both weight and height changes, making it more meaningful than absolute weight loss for assessing health improvements.

4. Using the Calculator

Tips: Enter both initial and current BMI values in kg/m². Both values must be positive numbers. The calculator will show the percentage reduction in BMI.

5. Frequently Asked Questions (FAQ)

Q1: Why use BMI percentage loss instead of weight percentage loss?
A: BMI percentage loss accounts for height differences and is a better indicator of health improvement than weight loss alone.

Q2: What is a significant BMI percentage loss?
A: A 5-10% BMI loss is often associated with significant health benefits, including reduced risk of obesity-related diseases.

Q3: How often should I calculate my BMI percentage loss?
A: Monthly measurements are typically sufficient to track meaningful changes while avoiding daily fluctuations.

Q4: Does this work for BMI increases too?
A: Yes, the calculation will show negative values if current BMI is higher than initial BMI.

Q5: How does BMI percentage loss relate to body fat percentage?
A: While related, they measure different things. BMI percentage loss doesn't distinguish between fat and muscle loss.