Try our free BMR Calculator - Basal Metabolic Rate Calculator to calculate the number of calories required to keep your body functioning at rest
Your BMR slow down 5% every 10 years after the age of 20. This is why even though you are exercising and eating like you did in the past you may be gaining weight. Your body and your BMR is changing and you will also need to make some changes. This is a big reason especially for woman in their 40’s. When they seem to being doing all the right things and the weight is still not budging. Women naturally have a lower BMR than men.