Health
Tools for monitoring your health and fitness.
Body Measurements
Adjusted Body Weight Calculator
Calculate adjusted body weight for medical dosing.
Bedridden Patient Height Calculator
Estimate height for bedridden patients.
Body Fat Calculator
Estimate your body fat percentage.
Body Frame Size Calculator
Determine your body frame size.
Body Shape Calculator
Determine your body shape.
BSA Calculator
Calculate Body Surface Area.
FFMI Calculator
Calculate Fat-Free Mass Index.
Ideal Weight Calculator
Calculate your ideal body weight.
Lean Body Mass Calculator
Estimate your lean body mass.
RFM Calculator
Calculate Relative Fat Mass.
Skinfold Body Fat Calculator
Estimate body fat using skinfold measurements.
Waist-to-Height Ratio Calculator
Calculate your waist-to-height ratio.
Waist-to-Hip Ratio Calculator
Calculate your waist-to-hip ratio.
Sleep
AHI Calculator
Calculate the Apnea-Hypopnea Index for sleep apnea.
Epworth Sleepiness Scale
Assess your level of daytime sleepiness.
Pediatric Epworth Sleepiness Scale
Assess daytime sleepiness in children.
Sleep Calculator
Calculate the best time to wake up based on sleep cycles.
Sleep Debt Calculator
Calculate your weekly sleep debt.
STOP-BANG Calculator
Assess your risk for Obstructive Sleep Apnea (OSA).
Cardiovascular System
Cholesterol Ratio Calculator
Calculate your Total/HDL cholesterol ratio.
Cholesterol Units Converter
Convert cholesterol levels between mg/dL and mmol/L.
Karvonen Formula Calculator
Calculate target heart rate zones.
LDL Calculator
Calculate your LDL cholesterol using the Friedewald equation.
VLDL Calculator
Estimate your Very-Low-Density Lipoprotein level.
Gynecology & Pregnancy
BBT Calculator
Track your Basal Body Temperature to confirm ovulation.
Birth Control Calculator
Compare the effectiveness of different birth control methods.
Bishop Score Calculator
Assess cervical readiness for labor induction.
Breast Cancer Recurrence Risk Calculator
Understand factors influencing breast cancer recurrence.
Breast Cancer Risk Calculator
Learn about the factors that influence breast cancer risk.
Chances of Having Twins Calculator
Learn about the factors that influence the chance of having twins.
Clomid Ovulation Calculator
Estimate your fertile window while on Clomid.
Conception Calculator
Estimate your conception date based on due date or LMP.
Crown-Rump Length Calculator
Estimate gestational age from CRL measurement.
Egg Freezing Calculator
Understand success rates of egg freezing based on age and number of eggs.
Fertility by Age Calculator
Explore how female fertility changes with age.
Flange Size Calculator
Find your recommended breast pump flange size.
Fundal Height Calculator
Understand fundal height measurements during pregnancy.
Gestational Age Calculator
Calculate the gestational age of a pregnancy.
hCG Levels Calculator
Calculate the doubling time of hCG levels in early pregnancy.
Implantation Calculator
Estimate your potential implantation window.
IVF Due Date Calculator
Estimate your due date based on your IVF cycle details.
Luteal Phase Calculator
Determine the length of your luteal phase.
MCA Calculator
Assess fetal anemia risk using Middle Cerebral Artery PSV MoM.
Mean Sac Diameter Calculator
Estimate gestational age from mean sac diameter.
Nuchal Translucency Calculator
Understand nuchal translucency screening results.
Ovulation Calculator
Estimate your fertile window and ovulation day.
Pearl Index Calculator
Calculate the efficacy of a contraceptive method.
Period Calculator
Predict your next menstrual period.
Pregnancy Due Date Calculator
Estimate your due date.
Pregnancy Test Calculator
Estimate the best time to take a pregnancy test.
Pregnancy Weight Gain Calculator
Track your recommended weight gain during pregnancy.
Progesterone/Estradiol Ratio Calculator
Calculate the progesterone to estradiol (E2) ratio.
Reverse Due Date Calculator
Calculate conception date from due date.
Stillbirth Risk Calculator
Understand the risk factors associated with stillbirth.
VBAC Calculator
Assess your candidacy for Vaginal Birth After Cesarean.
VTE Risk Score Calculator
Assess VTE risk in pregnancy and postpartum.