What are standard undermount sink sizes?

Author: Emelie Hodkiewicz  |  Last update: Monday, August 21, 2023

A 30-inch wide or a 36-inch wide cabinet are most common. The height of the cabinet can be customized, but 36 inches is average. A typical 33 x 22-inch sink will fill a 36-inch base cabinet. If you're replacing a sink, make sure it fits the existing cutout.

Are all undermount sinks the same size?

Standard-sized kitchen sinks measure 22 inches by 30 inches.

While the front-to-back measurement of the sink typically remains the same (roughly 22 inches) due to the size of most cabinets, the length of various kitchen sinks can vary immensely. This size range will cover most of the options you'll find when shopping.

What is the standard size undermount bathroom sink?

On average, circular or oval sinks range between 16” to 20” wide, while rectangular sinks can be found between 19” and 24” wide and 16” to 23” front to back. In terms of depth, a vanity sink usually ranges between 4” and 8”, though larger sinks may be 10” deep.

What are common bar sink sizes?

Most commonly sold bar sinks are rectangular in shape, with a length of between 9-18 inches on each side and depth around 6-10 inches. Circular bar sinks are usually around 9-18 inches in diameter and 7-10 inches at their deepest.

What is the most common sink base size?

Most base cabinets come in widths that accommodate the standard kitchen sink sizes. A 30-inch wide or a 36-inch wide cabinet are most common. The height of the cabinet can be customized, but 36 inches is average. A typical 33 x 22-inch sink will fill a 36-inch base cabinet.

How to Determine the Right Size of your Undermont Sink

What is the difference between a bar sink and a kitchen sink?

Bar Sinks Tend to Be Small and Shallow

They do take up less space than a traditional sink, which can make them a good fit for tiny homes or small apartments. But, they also tend to be smaller and shallower than a regular sink, which can create frustration in a full-size kitchen in a custom home.

What is the maximum undermount sink size for a 30 inch cabinet?

To determine the maximum sink size for your base cabinet, measure the interior of your cabinet and subtract two to three inches from each dimension. A 36″ base cabinet can handle a 33″ sink at most; a 30″ cabinet should be fitted with a sink no larger than 27″ wide.

How do you determine the minimum cabinet size for an undermount sink?

Measure the opening width under your existing sink (or where the new one will be installed) from left to right. This measurement is your cabinet size. Then, allow at least 2-3 inches on both sides for mounting hardware. For example, a 36" cabinet can accomodate a 30-32" sink.

How does an undermount sink fit?

Undermount sinks are attached directly to the underside of the countertop. They work best with solid-surface countertops, such as granite or marble, because they need the strength for support. They can be attached with various methods, including a two-part epoxy, clips and brackets.

What size cabinet for a 32 undermount sink?

Measure the opening width under your existing sink (or where the new one will be installed) from left to right. This measurement is your cabinet size. Then, allow at least 2-3 inches on both sides for mounting hardware. For example, a 36" cabinet can accomodate a 30-32" sink.

What to look for when buying an undermount bathroom sink?

Make sure that you choose a beautifully designed and high quality undermount bathroom sink. Choose a beautiful material such as ceramic or cast iron that will both last long and be a durable material for years to come. A color that matches with the rest of the bathroom can also help you out greatly.

Will a 33 inch sink fit in a 33 inch cabinet?

A 33" sink will undermount into a 33" cabinet if you strap or harness, not clip or block, the sink in place. Disregard the sink manufacturer's instructions please; I've done this hundreds of times.It is not a difficult process at all.

Can I replace my undermount sink with a drop-in sink?

If you're replacing an undermount sink, you might have the option to choose between drop-in or an undermount sink. The only issue here is you might need to fill holes in the counter or redo some of the plumbing.

What is the best shape for an undermount sink?

The oval sink is also the most practical sink shapes amongst undermount sinks. The oval shape allows the sink to be wide without having to take as much space on your counter as the rectangular sinks. In addition, the vast majority of oval bowls swoops down which allows for better drainage than the flat bottom sinks.

Can you put a 30 inch sink in a 30 inch sink base?

While other sinks are named after their TRUE 30" basin size [This will NOT fit]. Which means you CAN fit some "thirty" inch sinks in a 30" kitchen sink base cabinet. However, definitely take a look at each sink's specifications to make sure it will fit in your cabinet.

What size sink is best for 30 inch cabinet?

The most common sink sizes for a 30-inch cabinet are 24 to 27 inches wide. These sizes offer a comfortable fit within the cabinet and provide enough room for daily use.

What size cabinet do you need for a 33 inch undermount sink?

In general your sink should be at least 2-3” smaller than your cabinet size. For example, a 36” sink base cabinet can easily fit a 33” sink.

What are the disadvantages of an undermount sink?

Since undermount sinks to not have anything above the counter to help carry their weight, they need more support. They also need more solid countertops that don't suffer easily from water damage. This often makes them a more expensive sink than other options and also makes installation more difficult.

Can you replace an undermount sink without breaking granite?

While it can be done, changing a sink in a granite countertop puts the stone at risk of damage, which can be very pricey to repair. Fortunately, the process of removing a sink in a granite countertop is far less challenging than it seems – so long as you have the proper tools.

Can an undermount sink be replaced without damaging countertop?

Simply put, yes, you can replace an undermount sink without having to remove the countertop. After the plumbing and garbage disposal are disconnected, the clips that hold the sink to the countertop from below must be removed. Then, the final step is to break the silicone adhesive bond and pull the sink out.

Are sink sizes standard?

The standard sink size is about 22 inches long to 30 inches wide, but once again it's crucial to take proper measurements. If you're replacing a drop-in sink with rims, start measuring from the outer lip of the sink, not the basin itself. If you have an undermount sink, start measuring where the edge meets the counter.

What are the old fashioned sinks called?

Although the Belfast sink is the more popular style now, the Butler sink actually came first. It was, perhaps unsurprisingly, popularised and primarily used by butlers - who were often tasked with cleaning larger household items, and needed a larger, deep sink to do that.

Why use two sinks in kitchen?

With a double bowl sink, you can: Use one side for food prep and one side for washing dishes as you go or for stashing dirty dishes until you can get to them. Soak dishes in one side while you wash in the other side. Dry clean dishes on one side while you use the other side for washing.

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