What Is The Best Size For A Bathroom Mirror?


As a rule, the mirror should measure several inches less than the vanity or sink area. For example, if you’ve chosen a 48" single sink vanity, you will want to select a mirror that’s width (frame included) doesn’t exceed 48 inches. To make sure the mirror doesn’t overpower the room, aim for 42-44 inches total.


The size of your bathroom mirror will typically be dictated by the size (length) of your vanity countertop. A good rule followed by designers is at least 2 inches small in length than the vanity, and in most bathrooms could be more like 4 inches.

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Frequently Asked Questions

What's the average size of a bathroom mirror?

Bathroom Vanity Mirror The standard bathroom vanity sizes are 24 in., 30 in., 36 in. and 48 in. wide for single sink vanities and 60 in. or 72. in for double sink vanities. Standard bathroom vanity heights are 32 and 36 in. The standard bathroom vanity depth is 21 in.

How tall do you have to be to have a full length mirror?

For example, if you are 64 inches tall, the full length mirror must be at least 32 inches long, or you will only see part of yourself in the reflection. If you choose to lean a mirror against the wall, standard sizes generally start at 64 in. high.

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