Medical Calculations - VetTechPrep
www.vettechprep.com › _pps › EWHTIGRJJTDUZGU29006Dosage Calculations (Cont.) Example: the patient weighs 20.5 kg and the dosage is 22 mg /kg 20.5 kg × 22 mg /kg = 451 mg (the dose is 451 mg ) To calculate the dose in milliliters, use the following formula; dose (mg ) ÷ concentration (mg /mL) = dose (mL) Example: the patient needs a dose of 451 mg and the drug concentration is 100 mg /mL