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Vanity Size Calculator

Find the right vanity size for your bathroom. Enter your wall space and needs to get a recommended width, depth, and sink count, a clearance check against NKBA guidelines, and a downloadable PDF planning guide.

Measure to finished walls and account for door swings, drawer clearance, and plumbing rough-in. Recommendations follow common NKBA guidelines — always confirm against your local building code before purchasing.
1 Your bathroom space
in
24"84"144"
in
36"78"120"
in
in
2 Your needs
3 Clearances & finish
in
21"34"48"
in
RECOMMENDED VANITY WIDTH
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Calculate to see recommendation
Sink count, depth & clearances below
Fit snapshot
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Max vanity width that fits
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Front clearance available
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Wall space usage
Calculate to see the breakdown—
Recommendation summary
Recommended width —
Recommended depth —
Sinks —
Vanity height —
Front clearance —
Countertop area —
Visualizations
Standard sizes that fit
Wall space usage