I see many formulas for the goo and many for liquids but no where is there a goo to liquid ratio by volume.
It may be berried here on the site, but search yields tons of info but nothing on this specifically.
This is not from Lava Lite.
Its just my approximate usage
For years I just eyeballed it to the level right before the line in the globe
Recommended wax amounts
20oz/14inch lamp 130ML
32oz /17inch lamp 175ML
52oz /16.3inch lamp 220ML
250oz/ Grande 940ML (full quart)