The right vanity size makes a bathroom feel considered rather than cramped. Before you choose a finish, get the measurements right. This bathroom vanity size guide covers how to measure your space, the standard widths and depths to know, the clearances that make a room comfortable, and when to size up to a double. Every width below is a bathroom vanity with sink and mirror included, so what you measure for is what arrives.
How do I measure my bathroom for a vanity?
Measure the full width of the wall, the available depth, and the position of your plumbing rough-in, then note anything that intrudes: the door swing, a toilet, or a shower enclosure. Bring those numbers when you shop. Leaving a few inches of clearance on each side keeps drawers and doors working freely.
Measure the wall in three places, at floor level, at counter height and near the ceiling, because older walls are rarely square and the smallest number is the one that has to fit. Note the drain's distance from both the finished wall and the side wall, since that decides whether your existing plumbing lines up. Finally, open the door and mark where it lands on the floor. A vanity that fits the wall but blocks the door is the most common sizing mistake.
What are the standard bathroom vanity widths?
Our bathroom vanities run from 30 to 71 inches wide. As a quick guide, 30 to 31 inches, like the MONACO, suits powder rooms and compact baths; 35 to 48 inches, like the TULUM or HAVANA, fits most standard bathrooms; and 59 to 71 inches, like the MALDIVES, is built for primary suites.
The 48-inch size is the one most people land on for a main bathroom: wide enough for real counter space either side of the basin, still narrow enough to leave a comfortable walkway. Below 35 inches you are choosing for a powder room or a tight second bath, and above 59 inches you can start thinking about two basins instead of one.
| Width | Best for | Models |
|---|---|---|
| 30–31" | Powder room, second bath | ASPEN 30", MONACO 31", BALI 31" |
| 35–39" | Compact main bathroom | TULUM 35" (floating), VEGAS 39" |
| 48" | Standard main bathroom | HAVANA 48" |
| 59" | Large bath, or a first double | SANTORINI 59" single, MALIBU 59" double |
| 71" | Primary suite | CAPRI 71", MALDIVES 71" |
Browse every size in the vanities collection.
What size vanity fits a small bathroom?
For a small bathroom or powder room, choose a 30 to 31-inch vanity such as the MONACO, BALI, or ASPEN. A floating model like the TULUM also makes a small room feel more open, because the exposed floor beneath it is easy to clean around. Leave room for the door to swing clear.
Depth matters more than width in a small room. The BALI is 16 inches deep against the more typical 20, and those four inches are the difference between squeezing past the vanity and walking past it. If the room is genuinely tight, a shallower cabinet in a slightly wider width will feel better than a deep one you have to edge around, because you keep the counter space without losing the walkway.
How much clearance should a vanity have?
Aim for at least 30 inches of clear floor space in front of the vanity, with about 21 inches as the practical minimum, so it feels comfortable to use. Leave a few inches between the vanity and any side wall or fixture so drawers and doors open fully. In an alcove between two walls, measure the opening precisely and size down slightly for an easy fit.
The 30-inch figure is what lets you bend to the basin without backing into the toilet or the shower door, and it is the number to protect if something has to give. Side clearance matters for a different reason: a drawer that catches on a wall is a daily irritation. Two to three inches on each side is usually enough for full extension, and in an alcove an inch of tolerance saves a great deal of trouble on delivery day.
How deep are bathroom vanities?
Most of our vanities are about 16 to 20 inches deep, which balances basin size against the floor space you keep clear. In a narrow or high-traffic bathroom, choosing the shallower end of that range preserves the walkway; in a larger room, a deeper cabinet gives you a bigger basin and more counter space.
The depths in our collection sit at 16, 18, 19 and 20 inches. At 20 inches you get the fullest basin and the most usable counter in front of the tap; at 16, as on the BALI, the vanity reads lighter and gives the room back four inches of floor. Remember to measure depth including the countertop overhang and any protruding tap, not just the cabinet box.
What height should a bathroom vanity be?
A floating vanity is typically mounted so the countertop sits 32 to 36 inches from the floor, adjusted to your comfort. Because a floating model carries its weight on the wall, it secures into the studs, so professional installation is worth it. You will find model-specific mounting guidance on our FAQ page.
Thirty-two inches is the older standard and suits shorter households and children; 36 inches is closer to kitchen-counter height and is easier on the back for most adults. The advantage of a floating vanity is that you choose within that range rather than accepting a fixed height, so measure from the floor to a comfortable wrist position before the installer marks the wall. Freestanding models arrive at their designed height.
Sizing a vanity for a Tampa Bay bathroom
A few things come up again and again when Tampa Bay homeowners bring their measurements to our showroom.
Older homes often have compact hall baths. Many older ranch homes and bungalows around Tampa have a narrow hall bath with the tub across the back wall, which leaves roughly 30 to 36 inches of wall beside the toilet. That is where a 30 to 35-inch floating vanity such as the ASPEN or TULUM earns its place. Measure the space between the toilet centerline and the side wall before you assume a 36-inch vanity will fit.
Know what the wall is made of before you mount. Exterior walls in many Florida homes are concrete block, while interior walls are usually wood or metal studs. A floating vanity can be mounted on either, but block needs masonry anchors and studs need solid backing, so tell your installer which wall it is going on. Our heaviest double vanities weigh up to 290 pounds with the mirror, which is why we always recommend a professional install.
Humidity matters. Florida bathrooms stay humid, and particleboard cabinets are the first to swell at the edges. Every Nova vanity is built from plywood, which holds up better in a damp room. Run the exhaust fan during and after showers whatever cabinet you choose.
Condos: plan around the existing drain. Moving a drain in a condo usually means working through a concrete slab and your association's rules, so it is often simplest to choose a vanity width that centers the basin on the plumbing you already have. Measure the drain position from both walls and bring it with you.
Quick measuring checklist
- Wall width at floor, counter height and near the ceiling, using the smallest number
- Available depth, including the door swing and the walkway you want to keep
- Drain and supply positions, measured from the back wall and the nearest side wall
- Distance from the toilet centerline and any shower or tub edge
- What the wall is made of, if you are choosing a floating vanity
- Mirror wall space above the vanity, since every Nova vanity includes its matching LED mirror
Ready to find your fit?
Start with your wall width, subtract for clearances, and match it to a size above. Every vanity ships fully assembled with a matching LED mirror and free shipping across the contiguous 48 states. Explore the full collection, or read our guide to choosing a vanity.
If you are in Tampa Bay, bring your measurements to our showroom at 8504 E Adamo Dr #117, Tampa, and we will help you match them to a vanity you can see in person. Visits are by appointment, Monday to Friday, 9:30 AM to 4:30 PM: call (813) 621-9396. Coming from nearby? See our pages for Brandon, Riverview and South Tampa.