Free tools

Nursing dosage calculators

Quick calculators that show their work — free, no account needed.

IV drip-rate calculatorGravity infusions in gtt/min from volume, time, and drop factor.Dose-by-weight calculatorWeight-based mg/kg doses with automatic lb→kg conversion.Unit convertermg↔mcg, g↔mg, kg↔lb, mL↔L, tsp/tbsp/oz, and grains.