Health calculators

Calculate Body Mass Index (BMI), a general screening measure based on height and weight.

Estimate your Total Daily Energy Expenditure (maintenance calories) using the Mifflin-St Jeor equation.

Estimate your due date and current week of pregnancy using Naegele's rule.

Estimate a general daily water intake target based on body weight and exercise.

Estimate body fat percentage with the U.S. Navy circumference method using body measurements.

Estimate daily calories, weekly deficit, and weight-loss timeline from maintenance calories and goal weight.

Determine HSA eligibility based on health plan deductible and calculate remaining annual contribution room.

Calculate the amount of unused FSA funds at risk of forfeiture based on spending pace and plan year deadline.

Estimate potential savings from negotiating a medical bill down to a cash-pay or Medicare-benchmarked rate.

Compare estimated out-of-pocket cost between an urgent care visit and an emergency room visit for the same condition.

Estimate total LASIK surgery cost and compare against long-term contact lens and glasses spending.

Estimate total dental implant cost including the implant, abutment, and crown components.

Estimate total Invisalign treatment cost after insurance coverage and compare against traditional braces.

Estimate total out-of-pocket IVF cost across multiple cycles including medications and insurance coverage.

Estimate total physical therapy cost for a treatment plan based on session count and copay or cash rate.

Estimate out-of-pocket childbirth cost based on delivery type and insurance deductible and coinsurance.

Estimate individual health insurance premium after applicable ACA marketplace subsidy based on income.

Estimate annual out-of-pocket prescription drug cost based on copay, deductible, and refill frequency.

Compare estimated cost and time savings of a telehealth visit versus an in-person office visit.

Calculate monthly payment and total financing cost for an elective medical procedure loan.

Estimate total hearing aid cost per ear and compare financing versus one-time purchase.

Compare annual vision insurance premium cost against expected out-of-pocket savings on exams and eyewear.

Calculate monthly payment and total financing cost for a cosmetic surgery procedure loan.

Estimate total chiropractic treatment plan cost based on visit frequency and per-visit copay or cash rate.

Estimate total nursing home care cost over a projected stay length based on daily or monthly rate.

Estimate total monthly and annual assisted living cost including base rate and care level add-ons.

Estimate weekly and annual home health aide cost based on hourly rate and hours of care needed.

Estimate out-of-pocket cost for lab tests based on cash price, insurance discount, and deductible status.

Estimate total root canal cost including the procedure and crown, after dental insurance coverage.

Estimate total traditional braces treatment cost after insurance coverage and monthly payment plan.

Estimate out-of-pocket cost for an annual physical exam based on insurance coverage and add-on tests.

Estimate annual out-of-pocket therapy cost based on session rate, frequency, and insurance coverage.

Compare total cost of a medical procedure performed abroad, including travel, against the domestic price.

Classify blood pressure reading ranges and explain systolic, diastolic, and follow-up context for education.

Calculate waist-to-hip ratio and body-fat distribution context from waist and hip measurements.

Calculate serum anion gap from sodium, chloride, bicarbonate, and optional albumin correction for educational review.

Estimate calculated serum osmolality from sodium, glucose, and BUN values with unit-aware interpretation.

Calculate smoking pack-years from packs per day and years smoked for exposure-history documentation.

Estimate adjusted body weight from height, actual weight, and ideal-weight assumptions for educational dosing context.

Estimate total body water from sex, age, body weight, and common body-composition formulas.

Estimate basal energy expenditure for nutrition planning using body size, age, and sex-based equations.

Estimate resting metabolic rate from body measurements and compare it with activity-adjusted needs.

Estimate sleep and wake windows using 90-minute cycle planning, bedtime, wake time, and buffer assumptions.

Estimate maintenance calories from body size, age, sex, activity, and adjustment goal.

Estimate calorie deficit, timeline, and weekly change needed for a weight-loss goal.

Estimate pregnancy weight-gain range from starting BMI, week, and clinical guidance assumptions.

Estimate ovulation window and fertile days from cycle length and last menstrual period.

Estimate body surface area from height and weight for educational health calculations.

Estimate kidney filtration rate from creatinine, age, and sex using educational assumptions.

Estimate creatinine clearance from age, weight, sex, and serum creatinine.

Estimate daily protein target from body weight, activity, training goal, and diet preference.

Estimate mean arterial pressure from systolic and diastolic blood pressure for education.

Estimate waist-to-height ratio and screening context from waist and height measurements.

Estimate lean body mass from height, weight, sex, and body-composition assumptions.

Estimate ideal body weight range from height and formula assumptions for health education.

Estimate corrected calcium from measured calcium and albumin for educational lab interpretation.

Estimate health-cost reserve for fellows from premium, deductible, coinsurance, and expected visits.

Estimate sleep debt pressure from study hours, sleep target, recovery days, and schedule intensity.

Estimate microbreak schedule for microscopy, pipetting, desk work, and repetitive lab tasks.

Estimate burnout pressure from work hours, deadlines, teaching load, sleep, autonomy, and recovery time.

Estimate daily calorie needs from body size, age, sex, activity level, and weight-management goal.

Estimate basal metabolic rate, the calories your body uses at rest, using standard body-size inputs.

Estimate healthy weight ranges from height, sex, and common adult ideal-weight reference formulas.

Estimate pregnancy timeline, current gestational week, trimester, and key date windows from a known reference date.

Estimate likely conception window from due date, last menstrual period, or gestational-age assumptions.