Health Calculators

Weeks pregnant, trimester, due date, and a complete milestone timeline, from LMP or conception date.

Estimate the most likely conception date, with a 3-day window, from your last period or due date.

Estimated due date (EDD) from LMP, ultrasound, or conception, with a full 40-week milestone timeline.

Healthy weight-gain range by week and pre-pregnancy BMI.

Calculate BMI and the CDC age- and sex-specific BMI percentile for children and teens aged 2–19. Includes a live growth-chart overlay, the four CDC weight-status bands, and a pediatric screening disclaimer.

Predict your next ovulation date, your 6-day most fertile window, and the due date if you conceive, with a visual calendar.

Estimated conception date from due date or last menstrual period.

Predicted next periods, ovulation, and fertile days.

Estimate kidney function from serum creatinine using the CKD-EPI 2021 equation. Shows eGFR in mL/min/1.73m², CKD stage (G1–G5), kidney function percentage, MDRD comparison, and a full colour-coded stage reference table.

Convert A1C to estimated average glucose (eAG) or reverse-calculate A1C from glucose. Shows ADA risk category, IFCC units, and a visual scale.

Calculate your LDL/HDL, Total/HDL, and Triglycerides/HDL ratios from a lipid panel. AHA risk categories and visual gauges in mg/dL or mmol/L.

Track your smoke-free streak with a live counter, see money saved, cigarettes not smoked, life regained, and 20-year projected savings.

Blood alcohol content estimate from drinks, weight, and time.

Personalised daily water intake based on body weight, activity level, and climate.

Track daily caffeine from coffee, tea, and energy drinks against the 400 mg FDA limit.

Classify your blood pressure reading into AHA categories (Normal, Elevated, Stage 1, Stage 2, Hypertensive Crisis) with health advice.

Project your weight loss on Ozempic, Wegovy, Mounjaro, or Zepbound using real STEP 1 and SURMOUNT-1 clinical trial data. Enter your weight for a personalized curve with BMI impact.

Answer 10 lifestyle questions to estimate your life expectancy, biological age, and the top changes that would add the most years to your life — based on actuarial and epidemiological data.

Calculate your waist-to-hip ratio (WHR) to assess your health risk based on WHO guidelines. Determine your body shape classification instantly.

Estimate the full first-year cost of having a baby — delivery, childcare, diapers, formula, gear, and healthcare — itemized by your state, delivery type, and feeding plan.

Look up the glycemic index (GI) and glycemic load (GL) of 57 foods, or build a full meal to see its blended GI and total blood-sugar impact with a traffic-light rating.