Reverse BMI Calculator

Wondering what weight matches your ideal BMI? Our Reverse BMI Calculator helps you easily find the exact weight you need to reach a specific BMI value. Instead of calculating your BMI from your weight, this smart BMI reverse calculation tool does the opposite — it tells you how much you should weigh for your target BMI. Whether you’re planning a fitness goal, tracking progress, or maintaining a healthy lifestyle, this BMI calculator reverse gives you instant and accurate results in seconds.

Reverse BMI Calculator

Calculate required weight from desired BMI & height — or required height from desired BMI & weight.

Mode Find weight (given BMI + height) Find height (given BMI + weight)

Units Metric (kg, cm) Imperial (lb, ft/in)

Desired BMI

Height (cm)

Height — feet

Height — inches

Weight (lb)

Weight (kg)

Weight (kg)

Result updates immediately

Unlike regular BMI calculators that estimate your BMI from your weight, our reverse calculate BMI tool flips the formula — it helps you plan your ideal weight based on the BMI you want to achieve. Perfect for both men and women looking to reach their goal body weight scientifically.