measure up against
measure (someone or sth) (up) against (someone or sth else)
1. To compare the qualities of a particular person or thing with those of someone or something else. Because I'm pursuing the same career as my brother, I feel like people are always measuring me against him. I just feel that modern architecture is missing some of the grandeur of pre-21st-century buildings when you measure them up against one another.
2. To place someone or something against a larger person or thing so as to observe, measure, or compare the size of one or both. We've been measuring our kids against the same wall for nearly 15 years now—there's a lot of memories on that thing! When you measure the new desk up against the older one, you can see that there is a noticeable size discrepancy.
measure someone up against someone or something
to place someone up against someone or something else for the purpose of comparing size or other qualities. Please measure Fred up against Tom and see who has the best qualifications. Can you measure Brian up against the mark on the wall to see how tall he is growing?