Choosing the right bathroom mirror means balancing size and placement for both...

https://yenkee-wiki.win/index.php/Can_I_Put_a_Round_Mirror_Over_a_Double_Vanity_Without_It_Looking_Weird%3F

Choosing the right bathroom mirror means balancing size and placement for both function and style. Mirrors typically span 70%-80% of the vanity width to keep proportions right