Calculators
Pregnancy calculator, Body Mass Index, daily water intake, and skin type test — all in one place, free and instant.
Calculators
Pregnancy & Ovulation Calculator
Calculate your estimated due date, pregnancy week and most fertile days from your last period.
Open tool →Body Mass Index (BMI)
Find your BMI and WHO classification based on your height and weight.
Open tool →Daily Water Intake
Find your personal daily water target based on weight, activity level and climate.
Open tool →Fitzpatrick Skin Type Test
Learn your skin type (Type I–VI) based on how your skin reacts to sun.
Open tool →Health Assessment Tools
Laboratory Assessment Tools
hCG Pregnancy Week Calculator
Find which pregnancy weeks match your beta-hCG result, what to expect on ultrasound, and how fast two results are rising.
Open tool →Insulin Resistance Calculator (HOMA-IR)
Calculate your insulin resistance from your fasting glucose and insulin values; commonly used in PCOS assessment.
Open tool →Free Androgen Index Calculator (FAI)
Calculate your Free Androgen Index from your total testosterone and SHBG values.
Open tool →Iron Store and Anemia Self-Assessment
Assess your iron store and anemia status from your ferritin and hemoglobin values.
Open tool →