1.
how much, to what extent
Used in questions or exclamations to ask about or emphasize degree or extent.
2.
no matter how (much)
Used with 〜ても to express 'no matter how much ~'. Indicates that the result remains the same regardless of the degree.
Related Words
Related:
あんなに (that much (far from both))
Compare:
どれだけ (how much)
Compare:
どれほど (how much)