Calculators to help you understand lab results
15 tools matched to this goal.
Body Surface Area Calculator
BSA by Mosteller, DuBois and Haycock formulas.
Mean Arterial Pressure Calculator
Average pressure that perfuses your organs.
Corrected QT (QTc) Calculator
Correct the ECG QT interval for heart rate.
Osteoporosis Self-Assessment (OST)
Simple bone density screening score for women.
Pediatric Maintenance Fluids Calculator
Daily fluid needs by weight (Holliday-Segar).
eGFR Kidney Function Calculator
Kidney filtration rate using CKD-EPI 2021.
Creatinine Clearance Calculator
Cockcroft-Gault estimate used for drug dosing.
Anion Gap Calculator
Serum anion gap, corrected for albumin.
Corrected Calcium Calculator
Calcium adjusted for low albumin.
Corrected Sodium Calculator
Sodium adjusted for high blood glucose.
BUN-to-Creatinine Ratio Calculator
Helps tell dehydration from kidney problems.
Serum Osmolality Calculator
Blood concentration from sodium, glucose and BUN.
Body Temperature & Fever Checker
Convert °C and °F and see if it counts as a fever.
Age Calculator
Exact age in years, months and days, plus next birthday.
Pack-Years Calculator
Smoking history and lung cancer screening eligibility.
Other goals
- Lose weight
- Build muscle
- Eat better
- Get fitter
- Protect my heart
- Manage blood sugar
- Pregnancy & fertility
- Care for my child
- Sleep better
- Mental wellbeing
- Cut back on drink, smoke & caffeine
- Understand my lab results
Related guides
Mean Arterial Pressure: Why Clinicians Use It
MAP shows whether organs get enough blood flow.
Heart HealthThe QT Interval and Medication Safety
Why some medicines affect your heart rhythm and how QTc is measured.
Pregnancy & FamilyBone Health for Women
Build and protect bone at every stage of life.