How do you spell 64.00?

You can spell 64.00 in a couple of ways, depending on the context:

* Sixty-four point zero zero - This is the most common way to spell it out, especially when reading it aloud.

* Sixty-four hundredths - This is a more formal way to say it, and it's often used in writing when talking about percentages or decimals.

Both ways are correct and understandable, so choose whichever one you think is most appropriate for the situation.