PO dosage calculator - solids nursing calculators search site map

 Form of medication Tablet Capsule Caplet Lonzenge Troche Suppository Patch Dose ordered Dose available per

### Formula:

 dose ordered  dose available

### Examples

Give 70 milligrams of Lasix® (furosemide) PO now.  Pharmacy has sent a package of 20-milligram Lasix tablets.  How many tablets will you give?  Using the formula:

dose ordered = 70 mg
dose available = 20 mg tablets

 70 mg  20 mg = 3.5 tablets

You would give 3 and 1/2 tablets from the package pharmacy sent.  Using the calculator, enter 70 as the "Dose ordered" and 20 as the "Dose available per tablet" then click the "Solve" button:

Here's another example.  Give 12.5 milligrams of Capoten® (captopril) PO.  Pharmacy has sent a 50 milligram Capoten®  tablet.  How much of the tablet will be given?  Using the formula:

dose ordered = 12.5 mg
dose available = 50 mg tablet

 12.5 mg  50 mg = 0.25 tablets

You would give one-quarter of the tablet.

### Note

Certain medications are not intended to be portioned.  Please consult the manufacturer. This calculator may not work on older web browsers.