Limit
Bounds
noun
A certain limit’s degree is how far it can go. It’s the limit; turn it up one more degree and it’s out of bounds. Keep it right where it is and it’s perfect.
This word refers to the maximum extent or range of something, beyond which it cannot be surpassed. While similar to 限界, 限度 often implies a predetermined acceptable or tolerable limit, while 限界 is more closely associated with an absolute or ultimate limit.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
このクレジットカードの限度額がいくらだったか忘れちゃったんだよね。
I forget what my limit is on this credit card.