All Nursing Calculators

21 free calculators for nursing students and healthcare professionals. Click any calculator to get started.

Core

💊

Dosage Calculator

Tablets, capsules, or mL to administer

💧

IV Drip Rate

Flow rate (mL/hr) and drip rate (gtts/min)

⚖️

Weight-Based Dosing

mg/kg calculations with lb↔kg conversion

🔄

Unit Converter

mg↔mcg, lb↔kg, °F↔°C, tsp↔mL & more

📊

Intake & Output

Fluid balance tracking with auto oz→mL

🧪

Reconstitution

Powder vial concentration & volume

🌡️

Temperature

°F↔°C with clinical significance

Critical Care

🔬

mcg/kg/min

Critical drip infusion rates

💉

Heparin Drip

DVT/PE & ACS protocols with aPTT titration

🫁

ABG Interpreter

Acid-base status from blood gas values

💉

Insulin Drip

Sliding scale insulin infusion rates

Pediatric

🛡️

Safe Dose Checker

Pediatric safe dose ranges for 50+ drugs

👶

Pediatric Fluids

Maintenance IV rate (4-2-1 rule)

Assessment

📐

BSA Calculator

Body surface area (Mosteller/Du Bois)

🧫

Creatinine Clearance

Cockcroft-Gault for renal dosing

📏

BMI + IBW + ABW

BMI, ideal & adjusted body weight

OB/L&D

🤰

Pitocin Infusion

Oxytocin mU/min to mL/hr conversion

💊

Mag Sulfate Drip

Loading & maintenance for preeclampsia

Nutrition

🍽️

Tube Feeding

Calories, protein, volume, free water

Respiratory

🫧

O₂ Tank Duration

How long will the oxygen tank last?

Surgical

🩸

Blood Volume

Estimated blood volume & allowable loss

For educational purposes only. Always verify calculations with clinical references.