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