Choosing the right size for your kitchen sink will not only complement the look and style of your kitchen but will also ensure better functionality in your everyday life. But what is the standard size of a kitchen sink?

The standard for household kitchen sinks is no longer than 36 inches and the most common kitchen sink size ranges from 30 to 33 inches long with 7 to 10 inches depth. However, this standard size varies depending on:

Continue reading this post to explore the different types of available sinks and learn how to choose the correct sink size for your kitchen.

Find Out What Is the Standard Size of a Kitchen Sink

What Is the Standard Size of a Kitchen Sink?

As mentioned earlier, there is no single standard size for a kitchen sink. 

For example, if you are planning to add a new sink in your kitchen island area so that you can use it for preparing food, a small 22″ to 24″ long sink will be ideal for you. 

However, if you wish to change the main kitchen sink, you will need a bigger size that may range between 30 and 36 inches long. But in the case of luxury double-bowl kitchen sink models, the size can go up to 48″ long.

Understanding the standard sink sizes based on different kitchen sink models:

  1. Apron Front or Farmhouse Kitchen Sink: 

These sinks have an open front that either sits flush with or drapes over the cabinets they lay between. They are designed to have larger and deeper bowls that can hold a lot of water. Standard size measurements for Apron Front/Farmhouse kitchen sinks:

  1. Drop-In Kitchen Sinks:

These sinks include one or more mounting holes for easy faucet installation and are designed to fit into a pre-cut opening on the kitchen countertop. Standard size measurements for Drop-in kitchen sinks:

  1. Undermount Kitchen Sinks: 

These sinks have sleek appearances and are ideal for installing on a kitchen’s solid (granite or quartz) countertop. Standard size measurements for Undermount sinks:

  1. Wall Mount Kitchen Sinks:

These sinks are made of either cast iron, porcelain, or stainless steel and are designed to be mounted directly onto your kitchen wall. Common standard sizes for wall-mount kitchen sinks are 

  • 25 inches, 
  • 27 inches, 
  • 30 inches, 
  • 33 inches, and 36 inches. 

But 30″ or 36″ wide cabinets are common cabinet sizes to accommodate these sinks. 

The bowl size for a 30″ or 31″ cast iron Wall-mount kitchen sink will be 26 – 1/16″ long, 16 – 1/16″ wide, and the depth will be 9 – 9/16″.

  1. Corner Kitchen Sinks:

These sinks are designed to maximize your kitchen’s counter space by fitting into the corner

The dimensions of these sinks may vary, but the most common sizes are approximately 32″ long and 32″ wide with similar depths for both single and double bowl sinks.

  1. Prep or Bar Kitchen Sinks: 

They are also referred to as “Petite-inch sinks” or “shallow sinks“. These small (single-bowl) kitchen sinks are designed to be used as a secondary or additional sink option with the existing main sink. 

They are typically 15 to 25 inches long, 15 to 18 inches wide, and 6 to 8 inches deep in dimension.

How to Choose the Right Size of a Kitchen Sink?

To install a new sink or replace your existing kitchen sink, you need to consider certain things, including:

  • your preferences, 
  • budget, 
  • space available in your kitchen to spare, and 
  • the measurement or dimensions of your kitchen cabinet and countertop.

When remodeling your kitchen, you may choose a larger or smaller option. But if you are only replacing your kitchen sink, measuring the following will help you find the correct sink size:

  1. The Length of your Kitchen Sink:

Even though the standard length of a residential kitchen stays between 30 and 33 inches, it will vary depending on whether you have single (one basin) or double (two basin) bowls. 

To confirm the size, put the measurement tape to the left edge of the existing kitchen sink and extend it over to the sink’s right edge.

  1. The Width of your Kitchen Sink:

Similarly, the standard width of a residential kitchen sink stays between 20 and 22 inches

But to confirm the exact width size, hold your measuring tape from the back edge of your sink to its front edge.

  1. The Depth of your Kitchen Sink:

To find out the exact depth, put the measuring tape on the top edge of your kitchen sink and extend it down to the bottom

  1. Measurement of the Minimum Cabinet Size:

If you have a cabinet underneath the existing kitchen sink, you need to measure its size to be sure that the new sink will be a perfect fit for that space.

  • Hold the tape from the left roof to the right roof of the cabinet. Take note of the measurement.
  • Hold the tape to measure from the cabinet’s one outside edge to another outside edge. Do not forget to cross-check your measurements.
  1. The Depth of your kitchen Countertop:

If you want to install a drop-in sink on your laminate countertop that contains a backsplash, your sink’s depth should be up to 20.5 inches.

If your kitchen’s stone or laminate countertop does not contain a backsplash, you can install a 22-inch deep drop-in sink.

If you wish to install an undermount sink in your kitchen, consult with a professional installer to find the right measurement.

What Is The Standard Size Of A Kitchen Sink – FAQs

What is the ideal size for a kitchen sink?

The ideal kitchen sink size usually ranges from 27” to 37” long, 19” to 30” wide, and 7.25” to 10” deep. However, the correct size will vary depending on the size of the base cabinet of the kitchen where you wish to fit the sink and its exact dimensions.

Will a 27-inch sink be suitable for a kitchen?

Yes, a 27-inch (27” long X 19″ wide X 7.25″ deep) sink can be suitable for a kitchen. Especially, if you have a 27-inch kitchen cabinet, then this size will fit perfectly.

Will a 27-inch sink fit in my 30-inch kitchen cabinet?

Yes, a 27-inch sink can fit in as long as it is a top-mount sink because the standard top-mount sink sizes for 30″ cabinets typically range from 27″ to 29″ in width

However, if you are considering an undermount sink, it will generally require a 28-inch-wide sink option. So, a 27″ sink should fit without issues if your countertop has enough space.


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