Choosing the right bathroom mirror and placement makes your space both...

https://mega-wiki.win/index.php/How_Wide_Should_an_Above-Mirror_Light_Bar_Be%3F_Expert_Guidance_for_Perfect_Bathroom_Lighting

Choosing the right bathroom mirror and placement makes your space both functional and inviting. A good rule is to pick a mirror about 70% to 80% the width of your vanity to maintain balance