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
Topics: All Body Metrics (56) Calories (14)
277 results
Health

Serum Osmol Gap Calculator

Osmol gap = measured osmolality − calculated osmolality. A gap > 10 mOsm/kg suggests unmeasured osmoles such as ethanol,...

basic
1,970 4.9 1 min
Health / Body Metrics

CURB-65 Score Calculator

Compute the CURB-65 score for community-acquired pneumonia: 1 point each for Confusion, Urea > 7 mmol/L, Respiratory rat...

basic
18,137 4.7 1 min
Health

Ovulation Calculator

Estimate the most likely ovulation day, the surrounding fertile window, and the next period start date from the last men...

basic
1,996 3.8 1 min
Health / Calories

Weight Loss Calculator

Plan a realistic calorie deficit to reach a goal weight by a target date, given your current weight and daily calorie bu...

basic
7,493 4.7 1 min
Health / Body Metrics

qSOFA Score Calculator

Compute the quick SOFA (qSOFA) score — a 3-item bedside screen for risk of poor outcome in suspected infection: Respirat...

basic
11,922 4.5 1 min
Health / Calories

Steps to Distance Calculator

Translate a step count into kilometres and miles using your stride length, with sensible defaults derived from height.

basic
16,699 4.5 1 min
Health

Sleep Cycle Calculator

Suggest bedtimes (or wake times) so you wake at the end of a 90-minute sleep cycle, plus a 14-minute average to fall asl...

basic
12,695 4.9 1 min