Reverse / Backwards BMI Calculator.

Reverse BMI Calculator

Calculate the exact target weight required to reach your desired BMI score or healthy body mass range.

Your Target Weight Requirement

0 lbs

To achieve a target BMI of 0.0

Target BMI Category Spectrum

Under (<18.5) Normal (18.5-24.9) Over (25-29.9) Obese (≥30)

Healthy Weight Range (BMI 18.5 – 24.9)

0 – 0 lbs

Required Weight Adjustment

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Estimated Timeline & Strategy

* Medical Disclaimer: BMI calculations serve as a general indicator of healthy weight for standard body types and do not distinguish between muscle tissue and fat mass. Always consult with a certified health professional before starting a weight management regimen.

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Age Group (Years)	Men (Avg. BMR - Calories/Day)	Women (Avg. BMR - Calories/Day)
18 – 29	1,700 – 1,900	1,350 – 1,550
30 – 49	1,600 – 1,800	1,300 – 1,450
50 – 69	1,500 – 1,650	1,200 – 1,350
70+	1,350 – 1,500	1,100 – 1,250