On a mission to get lean? Want to pack on pounds of muscle mass? Trying to master your body composition and succeed with your fat loss goals?

It is no secret that IIFYM.com is the authority on flexible dieting. We help people burn fat and build muscle at an alarming rate. Our clients make amazing progress while eating the foods that they love, without the suffering that one might expect with a traditional fat loss diet.

We have clients coming to use each and every day asking for help. When they do, one of the very first things we do is figure out their basal metabolic rate using a fitness calculator. If you want to succeed at making any sort of body composition changes, whether it’s to gain or lose weight, you need to know your basal metabolic rate.

BMR = Basal Metabolic Rate (similar to RMR = Resting Metabolic Rate, but for IIFYM and flexible dieting purposes, there is a distinction between the two).

Your BMR is represents the number of calories your body burns at rest. The IIFYM calculator will calculate the precise amount of calories your individual body requires to keep you alive. IIFYM It starts with your BMR calculation, moves on to your TDEE and ends with your fat loss macros.

Still confused about your BMR? Read on and I’ll explain it all to you!

So what is the basal metabolic rate and how does one figure it out? Let me share these details with you so that you get a better understanding of why it’s such an integral part of the process we use when working with clients.

If you’re like some of our clients, you decide to use a BMI calculator.​ (not to be confused with our BMR Calculator, for example)

This is unfortunate, however, as the BMI calculator is not going to give you an accurate representation of how you’re doing.

Let’s explain further and go over why BMI weight loss and true weight loss are not always inline.