BMI & Body Fat Percentage Calculator

Calculate your Body Mass Index (BMI), U.S. Navy estimated Body Fat Percentage, Lean Mass, and Fat Mass in one tool.

Recent Posts

Resting Metabolism vs Active Metabolism Explained Simply

Understanding daily calorie burn can feel like a puzzle. On a cold morning in Bristol, I was sipping my tea and looking at my fitness tracker. I saw two separate calorie numbers on the screen. One was for my resting burn and the other was for my movement. Knowing resting metabolism vs active metabolism helps… Read more

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

Have you ever sat at your kitchen table in Manchester with a hot cup of tea, staring at an online calorie tool and asking yourself: “What should my BMR actually be?” You are not alone. Many people search for the average basal metabolic rate expecting a single, magic number that fits everyone. But resting energy… Read more

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

Sitting in a cosy kitchen in Manchester a few years back, I stared at my phone in total confusion. A health app gave me my resting energy score, and I immediately panicked. I kept asking myself if having a lower or higher bmr better for my long term health and weight goals. It took months… Read more

BMR vs Calories Burned: What Is the Difference?

Tracking daily health targets often leads to confusing fitness numbers. Sitting in my kitchen in Manchester last week, I checked my fitness watch after a short morning walk. The device screen showed two very different calorie totals. Understanding bmr vs calories burned helps you make sense of these stats without any stress. BMR is the… Read more

BMR vs Calorie Needs Explained for Daily Energy

Learning how your body burns energy keeps your health goals on track. Understanding the bmr vs calorie needs distinction helps you set safe daily food targets. While working on a health tool project in Manchester, I saw many people treat these two numbers as identical. Basal metabolic rate measures what you burn at complete rest.… Read more

BMR vs AMR Calories: How Do the Numbers Compare?

BMR estimates the energy your body uses at rest, while AMR usually adds an activity factor to estimate higher daily energy expenditure. The term AMR can vary between calculators, so readers should check how their particular tool defines it. When I was visiting Leeds last autumn, I sat down with a local fitness coach to… Read more

What Is BMR in Body Composition? Tools, Tests & Tips

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