DOSAGE CALCULATIONS
1 cc = _________ml
1 ml
The doctor orders 1.2 g of Vancomycin. You have on hand 0.4 g caplets. How many caplets would you give?
1.2 : X : : 0.4 : 1 = 0.4X : : 1.2 = X = 1.2/0.4 = 3 caplets of Vancomycin
1 kg = __________lg
1000g
1 kg = ________g
1000g
1 mg = ___________mcg
1000mcg
1 g = ___________mg
1000mg
A client has an order for 125 mcg of digoxin. How nay milligrams will you administer to the client?
125mcg/1 x 0.001mg/1mcg = 125 x 0.001 = 0.125mg of digoxin
1 tbs = __________ml
15ml
1 lb = __________oz
16oz
A newborn weighs 2500 g. How many kg is this?
2500 g/1 x 0.001 kg/1 g = 2500 x 0.001 = 2.5 kg
A doctor orders 3 tsp of Tylenol for your patient. How many ml will you administer?
3 tsp/1 x 5ml/1 tsp = 5 x 3 = 15 ml of Tylenol
1 oz =__________ml
30ml
1 tsp =___________ml
5ml
A client weighs 88 kg. How many lbs is this?
88 kg/1 x 2.2 lb/1 kg = 88 x 2.2 =193.6lb
1 gr = ___________mg
gr I =60mg
The doctor orders 1 g of ciprofloxacin. You have 250 mg tablets on hand. How many tablets would you give?
ordered 1 g/on hand 250mg 1 g/1 x 1000 mg/ 1 g x 1 tab / 250mg = 1000/250 = 4 tablets
The doctor orders Ativan 2 mg. You have on hand 0.5 mg tablets. How many tablets would you give?
ordered 2mg on hand 0.5 mg 2 : X : : 0.5 : 1 0.5 X : : 2 x = 2/0.5 x = 4 tablets
The doctor orders Zocor 5 mg. You have on hand 10 mg scored tablets. You have called the pharmacy and were told you can split Zocor tablets. How many tablets would you give?
ordered 5 mg on hand 10 mg 5/10 = 0.5 tablets
A client has an order for 1500ml of water by mouth every 24 hours. How many ounces is this?
ordered/on hand 1500ml/1 x 1 oz/30ml = 1500/30 = 50oz of water