見れば分かる

you'll know when you see it

→ 見る
phrase Uncommon #12,721
you'll know when you see it Often used to say that something will be obvious once you see it.
JA: 説明を読まなくても、見れば分かるよ。
EN: You’ll know just by looking, even without reading the instructions.

彼らは見れば分かると思う

I think they’ll understand when they see it.

— セッション (2014)

見れば分かる若くて美しい貴婦人だ

She is a young and beautiful lady, as you can tell just by looking at her.

— ウエスタン (1968)

見れば分かるなぜ消えた?

You can tell just by looking. Why did it disappear?

— TAXi (1998)