Health Calculators

Health calculators to assess your BMI, calorie needs, and other wellness metrics.

Blood alcohol content (BAC) calculator

Calculate your blood alcohol content in promille based on weight, sex, drinks consumed and time elapsed. Check if you are under the driving limit.

Calorie calculator

Calculate your basal metabolic rate (BMR) and daily calorie needs based on age, weight, height and activity level.

BMI calculator

Calculate your body mass index (BMI) based on height and weight. Find out if your weight is healthy according to WHO categories — free online BMI calculator.

Ovulation calculator

Calculate your ovulation date, fertile window and next period date based on your last menstrual period and cycle length.

Pregnancy due date calculator

Calculate your estimated due date based on your last menstrual period. Pregnancy weeks, trimesters and days remaining.

Daily water intake calculator

Calculate how much water you should drink per day based on your weight, physical activity level and climate. Free daily water intake calculator.