Free Nursing & Clinical Calculators

Drug dosages, IV drip rates, clinical scores, and lab calculators — all for free. No signup, no guesswork.

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Drug Dosage & IV

Drug dosage by weight, IV drip rates, pediatric dosing, insulin, heparin, and medication dilution calculators.

8 calculators

Patient Assessment

Glasgow Coma Scale, APGAR, fall risk, Braden scale, NEWS2, SOFA, and clinical scoring tools.

8 calculators

Fluids & Labs

Fluid balance, anion gap, corrected calcium/sodium, osmolality, CrCl, and GFR calculators.

7 calculators

General Nursing

BMI, BSA, ideal body weight, calorie needs, staffing ratios, and nursing salary calculators.

7 calculators

Popular Calculators

Drug Dosage by Weight

Calculate medication dosage based on patient weight and prescribed dose per kg.

dosage

IV Drip Rate Calculator

Calculate IV drip rate in drops per minute using volume, time, and drop factor.

dosage

Heparin Drip Calculator

Calculate heparin infusion rate based on weight-based protocol and concentration.

dosage

Glasgow Coma Scale (GCS)

Calculate Glasgow Coma Scale score from eye, verbal, and motor responses.

assessment

NEWS2 Score

Calculate National Early Warning Score 2 (NEWS2) for clinical deterioration risk.

assessment

Fluid Balance Calculator

Calculate 24-hour fluid balance from intake and output totals.

fluids

GFR Calculator (CKD-EPI)

Estimate glomerular filtration rate using the CKD-EPI 2021 equation.

fluids

BMI Calculator

Calculate Body Mass Index from height and weight with clinical classification.

general

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