Neal Grasso

Overview Formula 01What this calculator tells you This calculator answers one question directly: is my period actually late, and by how many days? Enter the first day of your last period and your usual cycle length, and it projects the date your next period was expected, then counts the days between that date and today. … Read more

Overview Formula 01What BMR means Your Basal Metabolic Rate (BMR) is the amount of energy your body uses to perform basic functions at rest. This includes functions such as breathing, circulation and cell repair and it accounts for the largest portion of your total daily energy expenditure. For this reason BMR is frequently used as … Read more

Overview Formula 01What this calculator tells you When a baby is born prematurely, their age since birth (chronological age) overstates how far along their development should be. Adjusted age — also called corrected age — subtracts the weeks they were born early, so milestones are judged against the original due date. This calculator shows both … Read more

Overview Formula 01How much water by weight Perhaps the simplest method for determining how much water a person should consume on a daily basis is to utilize their body weight as a metric. Larger individuals hold more water within their bodies and lose more water as the day progresses, thus requiring more water to rehydrate … Read more

Overview Formula 01What this calculator tells you Body mass index (BMI) is a quick screen that compares your weight to your height. Enter your measurements and you get one number plus the weight category the World Health Organization assigns to it — underweight, normal, overweight, or obesity. It also shows the healthy weight range for … Read more