Pharmacy calculations, fully shown.
Every calculator on PharmCalc displays the complete formula, your substituted values, and each intermediate step — so a pharmacist can review the basis of the number rather than trust a black box. Everything runs locally in your browser.
Categories
Measurement & Conversions
Volume, weight, height, temperature, and mEq↔mmol interconversion.
5 calculatorsConcentrations & Compounding
Strength, dilution, alligation, osmolarity, isotonicity, and weighing limits.
11 calculatorsDosing & Body Metrics
BMI, ideal and adjusted body weight, body surface area, dosing-weight selection.
5 calculatorsRenal & Fluids
Creatinine clearance, maintenance fluids, infusion rates, volume status.
4 calculatorsNutrition Support
Enteral and parenteral calories, nitrogen balance, energy expenditure.
4 calculatorsPharmacokinetics
Bioavailability, volume of distribution, clearance, half-life, loading dose.
4 calculatorsAcid-Base & Laboratory
Blood gas interpretation, anion gap, corrected values, ANC, MAP.
6 calculatorsPhysical Pharmacy
Henderson–Hasselbalch and degree of ionisation.
2 calculatorsBiostatistics & Outcomes
Risk, relative and absolute effect, NNT, odds and hazard ratios, cost-effectiveness.
4 calculatorsTherapeutic Conversions
Dose equivalence within a drug class and between routes.
9 calculatorsDiabetes & Lipids
Insulin initiation and adjustment, LDL estimation.
2 calculatorsPublic Health & Misc
Smoking history and sun-protection estimates.
2 calculators