vs
QUICK ANSWER
"So much" is a phrase which is often translated as "tanto", and "that much" is an adverb which is also often translated as "tanto". Learn more about the difference between "so much" and "that much" below.
so much(
so
muhch
)A phrase is a group of words commonly used together (e.g., once upon a time).
1. (adverb)
a. tanto
"I'm tired from dancing so much," said the bride."Estoy cansada de bailar tanto", dijo la novia.
2. (adjective)