Nursing Dosage Calculators

Each calculator does the math on values you enter, shows every step, and explains the method. They run in your browser and never save your numbers.

All calculators

• Dosage CalculatorTablets, capsules, and liquids · D ÷ H × Q
• Weight-Based Dose CalculatorDose per kg × weight · mg/kg, mcg/kg, g/kg
• Pediatric Dose CalculatorChild's weight × mg/kg · lb to kg with 2.2
• Heparin Drip Rate Calculatorunits/hr ÷ concentration = mL/hr
• IV Flow Rate CalculatorVolume ÷ time · mL/hr
• IV Drip Rate CalculatorGravity drips · gtt/min
• Infusion Time CalculatorVolume ÷ rate · hr and min
• Nursing Unit Converterg, mg, mcg · L, mL · kg, lb · hr, min

Need a formula or conversion fast? See the Nursing Dosage & Med-Math Quick Reference.

Want the method behind each tool? Visit the Learning Center, then try Med-Math Practice.

These tools perform dosage-calculation math only. They do not recommend medications or doses. Educational use