Free Tools

Nursing Dosage Calculators

Free dose calculators for NCLEX practice. Tablets, liquid mL, IV drip rate, weight-based doses, pediatric safe-dose checks, and heparin drip. Each calculator includes the formula and a worked example. No signup required.

Tablet & Capsule Dose Calculator
How many tablets when the order doesn't match the available strength?
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Liquid Dose Calculator (mL)
Convert an ordered mg dose to mL when the medication is liquid.
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IV Drip Rate Calculator (gtt/min)
Compute gtt/min from volume, time, and drop factor for gravity drips.
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Weight-Based Dose Calculator (mg/kg)
Total mg from a mg/kg order — the foundation of pediatric and many adult doses.
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Pediatric Safe Dose Calculator
Check if a pediatric order falls within the recommended mg/kg/dose range.
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Heparin Drip Rate Calculator (mL/hr)
Convert ordered units/hr to mL/hr based on the bag's concentration.
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