Overview Formula 01How much water by weight Your body weight is the simplest, most reliable way to estimate how much water you need, because bigger bodies hold more water and lose more of it through the day. The most widely used rule of thumb is to drink about half your body weight in pounds as … Read more
Overview Formula 01What BMR means Your Basal Metabolic Rate (BMR) is the number of calories your body burns each day just to keep its core systems running — breathing, circulating blood, repairing cells — even if you stayed in bed all day. It is the largest single part of how much energy you use, and … Read more
Overview Formula 01What BMI means Body Mass Index (BMI) is a single number, worked out from your height and weight, that estimates whether you are at a healthy weight. It is used worldwide by doctors, insurers, and health bodies such as the WHO and CDC because it is fast, free, and needs nothing more than … Read more