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.
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.
A 27" sink will undermount into a 27" cabinet. A 33" sink will undermount into a 33" cabinet, etc.
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.
Some sinks will be labeled 30" Kitchen sink, but the basin size is in fact 28". [This sink will fit!] 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.
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.
If there isn't enough width available in the cabinet, you won't be able to go for the bigger sink, even if there is room on the counter. Also, remember that you are going to have to create a larger hole in the counter to suit the new sink.
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.
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.
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.
Kitchen sink length:
The standard length is 30-33 inches, but varies whether you have 1 or 2 bowls. Some double bowl models range up to 48 inches. A single bowl sink will have one basin.
The standard size for a kitchen sink can vary, but a typical size for a single-bowl sink is around 30 to 33 inches in width and 20 to 22 inches in depth. Double-bowl sinks can range from 30 to 48 inches in width, depending on the bowl size and configuration.
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.
Standard sink base cabinet dimensions range from 30 to 42 inches wide. 30 inches is the standard single basin sink base width. 33 inches is the typical double-basin, offset sink cabinet size. 36 inches is the standard double-basin sink cabinet dimension.
In general, the standard sink size is 22” x 30”. While single bowl sinks can have a width upto 36 inches, double bowl sinks can go upto 48 inches. The other thing that you need to consider is the depth of the sink. Sinks can have a depth between 6 and 12 inches.
If a 1-inch buffer of counter space is left in front of the sink, 3 inches more is available behind it to mount the faucet. As long as the faucet base is less than 3 inches wide and the total width of the sink is 20 inches or less, the faucet will comfortably fit on the countertop.
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.
Besides, in order to avoid backsplash spots at the bottom of the upper cabinet, please leave more space between the upper cabinet and the sink. Usually, the upper cabinets should be at least 12 inches above the sink.
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.
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.
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.
Consider the size of the sink. The base cabinet should be wide enough to accommodate the sink, with additional space on either side for plumbing and dish soap. It should also be deep enough to prevent water from spilling out onto the floor. Think about the type of material you want the cabinet to be made of.
As a general rule of thumb, you will want at least a 1/2" of clearance on both sides between the lip of the sink and the inside walls of the cabinet (1/4" is tight, but doable!).
For single-sink cabinets, the average bathroom vanity width range is between 30 and 48 inches. For double vanities, a width range of 60 to 72 inches is standard. Keep in mind that the vanity top should be about 1 inch wider and deeper than the cabinet itself.