Bathroom Mirror Size Calculator
Determine the ideal mirror size for your bathroom vanity to ensure proper proportion and functionality.
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A Guide to the Bathroom Mirror Size Calculator
Achieve a perfectly balanced and functional bathroom design by choosing the right mirror size.
Choosing the right size for a bathroom mirror is crucial for both aesthetics and functionality. A mirror that is too large can overwhelm the space, while one that is too small can look out of place and be impractical. The Bathroom Mirror Size Calculator helps you determine the ideal mirror width and height based on interior design best practices and the dimensions of your vanity.
How the Recommended Size is Calculated
The calculator uses established interior design principles to suggest a mirror size that creates a harmonious and balanced look. Here's the logic:
Mirror Width
Recommended Mirror Width = Vanity Width - 2 to 4 inches
The general rule is that the mirror should be slightly narrower than the vanity it hangs above. This creates a pleasing visual frame and prevents the mirror from looking top-heavy. The calculator suggests a width that is 2 inches less than the vanity width, providing a 1-inch gap on each side. For larger vanities, this gap can be wider.
Mirror Height
The height of the mirror is more flexible and depends on several factors:
- Ceiling Height: The mirror should not extend all the way to the ceiling. Leaving some space above the mirror is visually important.
- Faucet Height: The bottom of the mirror should be a few inches above the faucet.
- Lighting: The position of your vanity lights (sconces or overhead fixtures) will dictate the maximum height of your mirror.
The calculator doesn't provide a specific height recommendation because it's highly dependent on your unique space. Instead, it encourages you to measure the available vertical space between your lights and backsplash/faucet to find a height that fits comfortably and looks proportional.
Practical Example
Imagine you have a single-sink vanity that is 36 inches wide.
- Vanity Width: 36 inches
Using the rule of thumb, the calculator would suggest a mirror width:
36 inches - 2 inches = 34 inches
Therefore, a mirror that is around 34 inches wide would be ideal. You could go slightly narrower, perhaps down to 32 inches, but you generally shouldn't go wider than the vanity itself.
For the height, you would then measure the space on your wall. If you have 40 inches of vertical space between your vanity light and the top of your backsplash, a mirror that is 28 to 36 inches tall would likely look great.
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