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Milligrams to Cubic Centimeters Converter

Turn a milligram dose into cc of a liquid medicine. You need the concentration in mg per cc, so choose one below, cc and mL are the same.

Milligrams ⇄ Cubic Centimeters
mg
=
cc
Concentration:
Result100 mg = 100 cc Water-like (1 mg/cc)
Quick answer
A milligram is a weight and a cc is a volume, so you can only link them through the medicine's concentration in mg per cc. Divide the dose in mg by that concentration to get the cc to draw up. With a 20 mg/cc ibuprofen suspension, a 100 mg dose is 5 cc. cc and mL are identical, so mg per cc equals mg per mL.

Conversion table

Milligrams (mg)Cubic centimeters (cc)
10 mg10
50 mg50
100 mg100
250 mg250
500 mg500
1000 mg1000
5000 mg5000

How to convert mg to cc

cc = mg ÷ concentrationconcentration in mg/cc · cc = mL · reverse: mg = cc × concentration
mg
the dose in milligrams
cc
the volume to give, in cc (= mL)
concentration
milligrams of drug per cc of liquid

Read the concentration off the actual bottle, since suspensions vary. This is a reference calculation, not a prescription, always confirm doses with a professional.

Frequently asked questions

How do I convert mg to cc?

Divide the milligram dose by the concentration in mg per cc. You cannot convert without the concentration.

Is cc the same as mL for medicine?

Yes. A cc equals a mL, so a syringe marked in cc measures the same volume as one marked in mL.

How many cc is 100 mg of a 20 mg/cc suspension?

5 cc, because 100 divided by 20 is 5.

Why can't mg convert to cc directly?

Milligrams weigh the drug while cc measures liquid volume, so you need how concentrated the liquid is.

Related converters
Quick facts
Link
concentration (mg/cc)
cc
= mL
Ibuprofen susp.
often 20 mg/cc
Measures
Weight via concentration