Metric Conversions
1g= ?mg
What is 1000mg?
What is a PO med?
What is “by mouth” or oral medication?
Round 1.348 mL (for syringe use)
What is 1.3 mL?
Why avoid trailing zeros?
Because 1.0 can be misread as 10, causing overdose.
What 3 things are on a medication label?
Drug name, strength/dosage, and route/form.
2.5 L = ? mL
What is 2,500 mL?
Order: 650 mg, label: 325 mg tablet → how many tablets?
What is 2 tablets?
0.75 mL — which syringe size is best?
What is a 1 mL syringe?
Why avoid leading decimal points?
Because .5 can be missed, should write 0.5.
What does “q6h” mean?
Every 6 hours.
1,500 mg = ? g
What is 1.5 g?
Order: 1 g, label: 500 mg tablets → how many tablets?
What is 2 tablets?
0.04 g = ? mg for IM injection
What is 40 mg?
Why does rounding matter?
To ensure accurate dosing and patient safety.
“PRN” means what?
As needed.
3,000 mcg = ? mg
What is 3 mg?
Label 250 mg, order 750 mg → how many tablets?
What is 3 tablets?
A dose is 0.6 mL. Which syringe would give you the most accurate measurement: 1 mL or 3 mL?
What is a 1 mL syringe?
When to use a 1 mL syringe?
When giving doses less than or equal to 1 mL for accuracy.
Label says 500 mg/5 mL, order 250 mg → how many mL?
What is 2.5 mL?
0.04 g = ? mg
What is 40 mg?
Order 975 mg, label 325 mg tablets → how many tablets?
What is 3 tablets?
Supply: 100 mg/mL, give 50 mg → how many mL?
What is 0.5 mL?
You calculate a medication dose to be 1.26 mL. What should you round it to for a 3 mL syringe?
What is 1.3 mL?
The medication label says “Do not crush.” What should you do before giving it to a patient who has trouble swallowing?
What is call the provider or pharmacist for an alternative form (like liquid or patch)?