Blood Alcohol Content Calculator

Calculate your Blood Alcohol Content (BAC) and get safety recommendations based on your measurements

BAC Calculator

Units

Weight (kg)

Gender

Number of Standard Drinks

One standard drink = 12 oz beer (5% alcohol), 5 oz wine (12% alcohol), or 1.5 oz spirits (40% alcohol)

Hours Since Last Drink

Fill in your details above to calculate your BAC level

Calculate your Body Mass Index (BMI) and understand your weight status. Get personalized health recommendations based on WHO and CDC guidelines.

Calculate your Basal Metabolic Rate (BMR) and daily calorie needs using Harris-Benedict and Mifflin-St Jeor equations for weight management.

Estimate your body fat percentage using skinfold measurements, body measurements, and bioelectrical impedance methods for fitness tracking.

Calculate your Total Daily Energy Expenditure (TDEE) based on activity level, BMR, and lifestyle factors for accurate calorie planning.

Calculate daily calorie needs for weight loss, maintenance, or gain based on age, gender, activity level, and fitness goals.

Calculate your pregnancy due date, track trimesters, and monitor fetal development milestones based on last menstrual period or conception date.