Health calculators

Screening tools, body metrics, and calorie math you can trust.

BMI, body fat, BMR, and other health screening tools — clearly labelled as informational rather than diagnostic, with citations for each formula.

Calculators
277
277 results
Health / Body Metrics

MELD-Na Score Calculator

Compute the MELD-Na score (UNOS sodium-adjusted MELD) used to prioritise liver transplant candidates, from serum creatin...

basic
5,103 4.7 1 min
Health / Body Metrics

BMI Prime Calculator

Compute BMI Prime (BMI divided by the upper-normal threshold of 25), an at-a-glance ratio that tells you how far above o...

basic
16,861 4.6 1 min
Health / Body Metrics

Body Fat (Navy) Calculator

Estimate body fat percentage using the US Navy circumference method, which uses neck, waist, and (for women) hip measure...

basic
9,904 4.5 1 min
Health / Body Metrics

Ideal Weight Calculator

Healthy-weight range for your height using multiple published formulas (Devine, Robinson, Miller, Hamwi) — averaged for...

basic
9,591 4.5 1 min
Health / Body Metrics

PERC Rule Calculator

Compute the Pulmonary Embolism Rule-out Criteria (PERC). If a patient is low pre-test risk and meets all 8 PERC criteria...

basic
3,100 4.5 1 min
Health / Body Metrics

Waist-to-Hip Ratio Calculator

Calculate your waist-to-hip ratio and see where it falls in the standard health-risk categories used by major health bod...

basic
19,528 4.4 1 min
Health / Body Metrics

Menstrual Cycle Calculator

Predict the next several menstrual periods, ovulation dates, and fertile windows from the first day of your last period...

basic
3,840 4.8 1 min