Diference between cm^3 and cm^-3

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SUMMARY

The discussion clarifies the fundamental differences between the units cm3 and cm-3. cm3 represents a volume measurement known as cubic centimeters, while cm-3 denotes a concentration measurement, specifically the number of particles per cubic centimeter. These units cannot be converted into one another due to their distinct dimensional properties, with cm3 having a dimension of length3 and cm-3 having a dimension of 1/length3.

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I dont understand the difference
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Difference between cm^3 and cm^-3
 
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They are completely different units. The first is the unit of a volume, the second of a concentration (e.g., the number of particles per volume).
 
okay tanks
so i cannot convert cm^3 cm^-3
 
new90 said:
okay tanks
so i cannot convert cm^3 cm^-3
No. One has dimension length^3, the other dimension 1/length^3.
 
It might help if you call cm^3 "cubic centimeters" and cm^-3 "per cubic centimeter".
 

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