⬡ Nursing Calculators

Everyday bedside calculations.

Pick a calculator on the left — results update as you type. Works offline.

🧮 Simple Calculator

💧 IV Drip Rate gtt/min

(Volume × Drop factor) ÷ Time

Volume (mL) Time (minutes) Drop factor (gtt/mL)

Enter volume and time…

🩸 IV Flow Rate mL/hr

Volume ÷ Time

Volume (mL) Time (hours)

Enter volume and time…

⏱️ IV Infusion Time

Volume ÷ Flow rate

Volume (mL) Flow rate (mL/hr)

Enter volume and rate…

💊 Dosage (tablets / liquid)

(Desired ÷ Have) × Quantity

Desired dose Stock strength (Have) Stock quantity (per tablet/mL)

Enter desired and stock…

⚖️ Weight-Based Dose

Dose (mg/kg) × Weight (kg)

Dose (mg/kg) Weight (kg) Divide into (doses/day, optional)

Enter dose and weight…

🫁 ABG Interpreter

Normal: pH 7.35–7.45 · PaCO₂ 35–45 · HCO₃⁻ 22–26

pH PaCO₂ (mmHg) HCO₃⁻ (mEq/L)

Enter pH, PaCO₂ and HCO₃⁻…

📏 BMI kg/m²

Weight ÷ Height²

Weight (kg) Height in

Feet Inches

Enter weight and height…

🌡️ Temperature °F → °C

°C = (°F − 32) × 5/9

Fahrenheit (°F)

Enter a Fahrenheit value…

🏋️ Weight

kg = lb ÷ 2.205

Kilograms (kg) Pounds (lb)

Type in either box to convert.

🔄 Unit Converter

Mass

Value From To

—

Volume

Value From To

—

🩷 Next Period

First day of last period + cycle length

First day of last period Average cycle length (days)

Pick your last period date…

Estimate only — cycles naturally vary month to month.

🌸 Ovulation & Fertile Days

Ovulation ≈ next period − 14 days

First day of last period Average cycle length (days)

Pick your last period date…

Estimate only — not a contraceptive method.

🎓 For education & learning purposes only. A study & practice aid — always verify against your institution's protocol and double-check high-alert medications. Pulse is not responsible for clinical decisions.