Reverse BMI Calculator (Target Weight Calculator from Target BMI)

Reverse BMI & Target Weight Calculator

Calculate the exact weight required to achieve your target BMI or reach healthy clinical weight thresholds.

Measurement Unit

Height

Current Weight (lbs) (Optional)

Target BMI Threshold Preset

Target BMI Value (kg/m²)

Target Weight Required —

Healthy Normal Weight Range (BMI 18.5 – 24.9): —

Required Weight Difference: —

Target Category Status: —

Estimated Time at Safe Rate (1-2 lbs / 0.5-1 kg per week): —

*Note: Reverse BMI calculation uses standard WHO equations [Target Weight = Target BMI × (Height in meters)²]. Always consult a medical professional before beginning a major weight reduction or gain program.

Recent Posts

Resting Metabolism vs Active Metabolism Explained Simply

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How to Calculate BMR for Women: Complete Step-by-Step Guide

Learning how to calculate bmr for women transformed how I coach clients across the UK. During my work in Manchester, I often saw women eat far too few calories because they did not know their baseline. Finding your exact numbers removes the stress from meal planning. It gives you a clear figure to work with… Read more

BMR vs Daily Calorie Needs: Which Number Matters Most?

Sitting in a cosy cafe in Manchester a few years back, I felt totally stuck with my diet. I was logging every single bite on my phone, yet the scale would not budge. The real problem was simple: I was confusing my BMR with my full daily calorie needs. Once I learned how these two… Read more

BMR vs B14R: What Is the Difference Between Them?

At first glance, BMR and B14R look like two terms that belong in the same category. Research suggests otherwise. BMR is a recognised metabolism term, while B14R does not appear to be a standard metabolic measurement. That makes context the heart of this article. Before comparing two things, we need to make sure they are… Read more

Average Basal Metabolic Rate by Age, Sex and Body Size

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Is a Lower or Higher BMR Better for Your Health Goals?

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BMR vs Calories Burned: What Is the Difference?

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BMR vs AMR Calories: How Do the Numbers Compare?

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During my years testing health kit in London, I saw many people get confused by digital scales. Understanding bmr in body composition helps you make sense of these numbers. Basal metabolic rate is simply the energy your body burns at complete rest. On the other hand, body composition shows what your total weight is made… Read more

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