Basic Dosage Formula

Dose to Give = Desired Dose

Available Dose × Quantity

📋 Standard pharmaceutical calculation method

Calculate Dosage

IV Flow Rate (Drops per Minute) Calculator

Volume (mL)

Hours

Minutes

Drop Factor (gtts/mL)

IV Infusion Rate Calculator — mL/hr

Calculate Flow Rate (mL/hr) quickly and accurately.

Formula:

Flow Rate (mL/hr) = Total Volume (mL) ÷ Total Time (hr)

Total Volume (mL)

Total Time

Or enter decimal hours in the box below:

Flow Rate (mL/hr)

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Also shows: mL per minute and mL per second (for convenience)

mL / min

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mL / sec

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Total Time (hr)

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