nurmedy drug calculator

Calculate the amount of medication to administer based on the prescribed dose, dose on hand, and available quantity.

Formula

(Desired Dose ÷ Dose on Hand) × Quantity = Amount to Give

1. Desired Dose

The dose prescribed for the patient.

2. Dose on Hand

The medication strength stated on the label or container.

3. Quantity

Example: If 500 mg is available in 5 mL, enter 5 mL as the quantity.

Amount of medication to administer

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Example: Desired dose 250 mg, dose on hand 500 mg, and quantity 5 mL. Calculation: (250 ÷ 500) × 5 = 2.5 mL.

Safety warning: This calculator is intended as a learning aid and does not replace clinical judgement. Always verify the prescription, units, concentration, maximum dose, allergies, patient weight, route of administration, and local facility policy. An independent double-check is recommended for high-alert medications.

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