Health & Fitness Calculators
BMI, calories, macros, heart rate, and wellness metrics.
Blood Pressure Category Calculator
Classify your blood pressure reading against ACC/AHA 2017 guidelines.
BMI & Body Health
Compute Body Mass Index with Metric & Imperial units and target healthy weight guides.
Conception Date Calculator
Work backwards from a due date or last period to the most likely conception date and intercourse window.
Pregnancy Due Date Calculator
Estimate your due date from your last period or conception date, with gestational age and trimester.
LDL Cholesterol Calculator
Estimate LDL cholesterol with the Friedewald equation and see non-HDL and cholesterol ratios.
Weight Maintenance Calories Calculator
Find the exact calories needed to stay at your current weight.
Mean Arterial Pressure Calculator
Calculate mean arterial pressure and pulse pressure from systolic and diastolic readings.
Ovulation & Fertile Window Calculator
Predict ovulation, your six-day fertile window, and the next three cycles from your last period.
Pack Years Calculator
Convert cigarettes per day and years smoked into pack-years and total cigarettes.
Pet Calorie Calculator
Estimate resting and daily calorie needs for a dog or cat from weight and life stage.
Pregnancy Week Calculator
See how many weeks and days pregnant you are, the trimester, fetal age, and your next antenatal milestone.
Sleep Cycle Calculator
Find the best bedtime or wake-up time based on 90-minute sleep cycles.
Steps to Miles & Calories
Convert step count to distance in miles and kilometers, and estimate calories burned walking.
TDEE & Calorie Calculator
Calculate your Total Daily Energy Expenditure and find the right calorie target for weight loss or muscle gain.
Waist-to-Hip Ratio Calculator
Assess body fat distribution and health risk using waist and hip measurements.
