Grammar Help: “Up To”?

Question by Astrae: Grammar help: “Up to”?
When it says,

I completed the levels up to level 5.

Does that mean that I completed maximum level of 4 or 5?
Sorry, it’s a dumb question..

Best answer:

Answer by quatt47
Probably completed level 4. If Level 5 was done you would say ‘up to and including Level 5.’

Answer by GeneL
Not a dumb question, it’s really a matter of interpretation because it’s not definitive.

My opinion is that it means up to (completed level 4), but not including, level 5.

If it “included” level 5, I would expect it to say:
“Up to and including level 5.”

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