'Valuable' or 'Invaluable'?

[Mehrgan]

Hi,

Are both adjective equal in their usage and degree or intensity? Thanks in advance.

 

[5jj]

Are both adjectives equal in their usage and degree or intensity?..

No.

If something is invaluable, its value is beyond calculation. This normally means that it is very very valuable.

 

[Raymott]

This is because 'valuable' has two meanings: "highly valued" and "able to be valued".
We don't use it for the second meaning except in its negative form - 'invaluable'.