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Pharmacy Formulas
Convert pound to kg - weight/2. ex: 132lb / 2.2 = 60kg Convert kg to pounds - weight X 2. ex: 60kg X 2.2 = 132 lb Clark's Rule - adult dose X (weight / 150) = child dose ex: 11 yr girl, 70 lb, adult dose is 500mg 500 X (70 / 150) = 235mg Fahrenheit to Celcius, formula A - 9C = 5F - 160 Fahrenheit to Celcius, formula B - 1.8C + 32 = F or (F-32) / 1.8 = C Fahrenheit to Celcius, formula C - 9/5C + 32 = F Young's Rule -
Adult dose X [ Age / (Age + 12)] = Child Dose ex: 11 yr girl, 70 lb, 500mg adult dose 500 X [11 / (11 + 12)] = 240mg DEA number confirmation - first letter = prescriber classification last letter = first letter prescriber's last name add numbers: (1st + 3rd +5th ) + [(2nd + 4th + 6th) *2] =? last digit of answer = last digit of DEA number NDC-first 5 digits - manufacturer NDC-second 4 digits - unique medication, formulation, strength NDC-last 2 digits - package size or type Child's dose (years) - [age in years / (age + 12)] X adult dose Child's dose (months) - (age in months /150) X adult dose Child's dose (weight) - (weight/150) X adult dose
1 grain = ____ mg - 65 1 grams = ____ grains - 15 1 ounce = ____ ml - 30 1 pint = _____ ml - 473 1 kg =____lb -
1 qt = ____ pts - 2 1 gal = _____ qts - 4 1 g = _______kg -
1 g = ______ mg - 1, Percent formula -
number of parts / total parts
