Confused about 10 foot square maps in Roll20 content

I know this is an age old issue, but I'm just not understanding how a map that is in printed module as 10 foot squares, translates accurately to roll20 as 5 foot squares.  It seems to me that Roll20 simply took a map that each square was supposed to be 10 feet and made it 5 feet, thereby cutting the size of the dungeon in half. For example, I'm about to run Mad Mage.  A square room that is supposed to be 40 feet by 40 feet (meaning 4 squares on each side), is still 4 squares on each side but now is 20 by 20 feet.  Unless I'm missing something, please help me understand.  So rooms with a large amount of tokens are now instantly cramped. I know that the maps have been "resized"by .5 cell width, but each token still takes up a full square and I just don't see how to fix this.   Thank you.

Hi ER - I know this can be a bit confusing due to the communication of how our maps are scaled.  In Dungeon of the Mad Mage, the default dungeon hallways width is 10 ft.    You can see that here in this screenshot - the hallway is 10 ft , which is two 5 ft squares wide. When creating conversions for the Roll20 Marketplace, we have to keep the following in mind: Take care with map sizes to provide good performance Tokens fit one square - 5 ft tokens need 5 foot squares or else they'll be the wrong size! So onto the Page Settings! Dungeon of the Mad Mage has 10 ft squares for the map art, which you can see with the hallways. As we need 5 ft squares in order to have the correct size of tokens, we have 0.5 width cells. Does that help clear things up? Please let me know if I can help explain further.  Thanks for reaching out!

Ah, I got it now.  Feeling a little ashamed as I was misreading the original maps.  Thank you for taking the time to respond, I appreciate it as it will help me going further.