A 27" sink will undermount into a 27" cabinet. A 33" sink will undermount into a 33" cabinet, etc.
TIP: Standard cabinet sizes are in 3” increments. I.E.: 27”, 30”, 33”, 36”, etc. In general your sink should be at least 2-3” smaller than your cabinet size.
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.
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.
Most styles of sink work in small kitchens, as long as the sink is roughly between 22 and 24 inches. Anything more than 27 inches runs the risk of being too big and overpowering your kitchen, as well as taking up valuable counter space. As you have less space, a single bowl sink may be the better option.
Kitchen Cabinet Kings
General rule of thumb is actual sink should be 3" in actual width less than the sink base for smooth fit. However if you notch the sides of the cabinet, you should be able to get something as tight as 1.5 less than cabinet to fit.
The most common sizes for a kitchen sink are 30" or 33", however a standard size could measure anywhere between 24" and 36" in length.
Start by measuring the depth of your cabinet. Place your tape measure along the bottom of the cabinet and measure from the back to the front edge. Next, measure the total width. Place your tape measure along the bottom of the cabinet to measure from the left edge to the right edge.
No matter what you do, you will most likely need a special or custom cabinet to accommodate your new farmhouse or apron sink. This is because there are many styles of sink designs and how they need to be installed, typically requires a non-standard cabinet. The two most common types are Drop-in or Undermount.
Another larger option, that provides more variety in its use is a 29" double bowl sink. This sink will fit in your 30" kitchen sink base cabinet and provide you with two 16x13"basins.
Dawn 22" Undermount Stainless Steel Kitchen Sink
This little gem measures overall at a little less than 22" left to right. This allows this sink to very easily fit in a 24" sink base cabinet.
The reason for this is to allow for adequate room to work when installing the sink, as well as to avoid potential water damage or mold growth in the cabinetry. The minimum cabinet size needed for your sink will be found on the product page from our website once you search the model like the example shown below.
Standard Kitchen Sink Sizes to Know
On average, customers who purchase single-bowl sinks prefer 30-inch-long dimensions at most. Experts recommend at least 22 to 27-inches in length, which also works for small kitchens. Length is one factor, but you also have to consider the depth of the sink.
Standard base cabinet widths are 12, 15, 18, 21, 24, 26.25, 27, 30, 33, 26, 39 and 42-inches.
30 inches- Used for single basin sinks. 33 inches- Used for offset sinks, or double basin sinks. 36 inches- Used for double basin sinks. 42 inches- This is the largest width in a base cabinet.
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.
If your countertop is exposed, you have an under-mount sink. Use inside measurements to find a sink with similar measurements. Ensure you place your measuring tape at the top of the sink and measure the length (side to side), width (front to back), and depth (from the middle of the basin to the top of the sink).
A 33" cabinet will only fit a 30" 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.
f you want a sink bigger than 22-inches but still compact enough to fit in a smaller kitchen, a 24-inch sink may make sense. This size is great for food prep and basic cleaning tasks but may not be spacious enough for larger pots and pans.
If you frequently use large pans or baking trays, it might be worth getting a sink with an extra wide or extra deep bowl – or even a 1½ / double bowl. If you don't have a dishwasher in your kitchen, make sure you get a sink with a built-in drainer, so you have enough space to let items dry after you hand wash them.