Health Calculators

Free, instant tools to help with your health decisions.

44 calculators 100 total uses
BMI
BMI Calculator
Calculate your Body Mass Index in metric or imperial units.
CD
Calorie Deficit Calculator
Find your daily calorie target to lose weight steadily.
TDEE
TDEE Calculator
Calculate your Total Daily Energy Expenditure.
DI
Daily Water Intake Calculator
Find out how much water you should drink each day.
PD
Pregnancy Due Date Calculator
Estimate your due date and track your pregnancy week by week.
BMR
BMR Calculator
Calculate your Basal Metabolic Rate — the calories you burn at rest.
BP
Body Fat Percentage Calculator
Estimate your body fat percentage using the US Navy method.
MA
Macro Calculator
Calculate your ideal daily protein, carb and fat intake.
IW
Ideal Weight Calculator
Find your ideal body weight based on height and frame.
WR
Waist-to-Hip Ratio Calculator
Calculate your waist-to-hip ratio and health risk category.
HZ
Heart Rate Zone Calculator
Find your target heart rate zones for effective training.
SC
Sleep Cycle Calculator
Find the best time to wake up or fall asleep based on sleep cycles.
BC
Blood Alcohol Content Calculator
Estimate your blood alcohol content (BAC) based on drinks consumed.
VM
VO2 Max Calculator
Estimate your VO2 max and cardiovascular fitness level.
OM
One Rep Max Calculator
Estimate your one-rep max for any weightlifting exercise.
IF
Intermittent Fasting Calculator
Plan your intermittent fasting eating window schedule.
PG
Pregnancy Weight Gain Calculator
See the recommended healthy weight gain range during pregnancy.
OV
Ovulation Calculator
Estimate your most fertile days based on your cycle.
PE
Period Calculator
Predict your next period and track your menstrual cycle.
CP
Child Growth Percentile Calculator
See how your child's height and weight compare to growth charts.
🔥 Hot
LE
Life Expectancy Calculator
Get an estimate of your life expectancy based on lifestyle factors.
MA
Metabolic Age Calculator
See how your metabolism compares to your actual age.
CS
Calorie Surplus Calculator
Find your daily calorie target to build muscle and gain weight.
EL
Electrolyte Calculator
Estimate your daily electrolyte needs based on activity.
RR
Recovery Heart Rate Calculator
Check your heart rate recovery after exercise.
FA
Fitness Age Calculator
Estimate your fitness age based on activity and health markers.
BC
Braces Cost Calculator
Estimate the cost of braces or clear aligners.
LC
LASIK Cost Calculator
Estimate the cost of LASIK eye surgery.
IC
IVF Cost Calculator
Estimate the total cost of IVF treatment.
PI
Protein Intake Calculator
Find your ideal daily protein intake based on your goals.
SC
Steps to Calories Calculator
See how many calories you burn from your daily steps.
FT
Fat Loss Timeline Calculator
See how long it will take to reach your fat loss goal.
MT
Muscle Gain Timeline Calculator
See how long it will take to reach your muscle gain goal.
BR
Body Recomposition Calculator
Plan your calories and macros to lose fat and build muscle at once.
VJ
Vertical Jump Calculator
Calculate your vertical jump height and estimate explosive leg power based on your standing and max reach heights.
HC
Home Care Aide Cost Calculator
Estimate the monthly and annual cost of hiring an in-home care aide based on hourly rate, hours per week, and additional service fees.
PC
Prenatal Vitamin Cost Calculator
Estimate the total cost of prenatal vitamins throughout pregnancy based on price per bottle, servings, and duration.
PC
Pet Dental Cleaning Cost Calculator
Estimate the total cost of a professional pet dental cleaning based on anesthesia, bloodwork, extractions, and your pet's size.
New
PC
Prenatal Massage Cost Calculator
Estimate the total cost of prenatal massage sessions throughout pregnancy based on session price, frequency, and duration.
New
BE
Blood Alcohol Content (BAC) Estimator
Estimate your approximate blood alcohol content based on drinks consumed, body weight, gender, and time elapsed since drinking began.
New
BC
Blood Alcohol Content Calculator
Estimate your approximate blood alcohol content (BAC) based on drinks consumed, body weight, sex, and time elapsed.
New
B(
Blood Alcohol Content (Widmark) Calculator
Estimate blood alcohol content (BAC) using the Widmark formula based on body weight, sex, drinks consumed, and time elapsed since drinking began.
New
BT
Blood Alcohol Content Time-to-Sober Calculator
Estimate blood alcohol content using the Widmark formula and how many hours it will take to reach a target BAC as alcohol metabolizes over time.
New
HT
Home Blood Pressure Log Trend Calculator
Track and average your home blood pressure readings over time and see the trend direction between two periods.

← Back to All Calculators