Sink Size and Shape
Most round bathroom sink bowls are 16 to 20 inches in diameter, while most rectangular sinks are 19 to 24 inches wide and 16 to 23 inches front to back.
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.
Common Bathroom Sink Sizes
Small: From 15 to 20 inches long and nine to 12 inches wide, with a depth between 5-3/4-in. and seven inches. Medium: From 20 to 30 inches long, 19 to 24 inches wide and about seven inches deep. Large: From 30 to 50 inches long, 19 to 24 inches wide and about five inches deep.
The average 24″ sink base cabinet comfortably accommodates a standard 22″ sink; be sure to consider the depth of your sink when planning storage inside the base cabinet.
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.
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.
Wall-Mounted Bathroom Sinks
If your tiny bathroom needs all the extra floor space it can get, a wall-mount sink is the best way to go. These space-saving bathroom sinks secure to your wall, creating ample opportunities below for storage or some much-needed space to stretch your legs.
Due to their simplicity, oval sinks complement countertops of any design and color. Their classic design also makes them easy to pair with almost any bathroom style. They are space-savers, as many of them are designed to fit into small spaces. They have no place for dirt to get trapped, thus are easy to clean.
A corner sink designed for small bathrooms can measure less than 16 inches across its front. As with sink sizes, there is no standard bathroom sink height to follow for installation.
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. Generally, sinks up to 30" will contain one large single bowl.
Measure the sink width by placing your tape measure at the back edge of the sink (closest to the kitchen faucet) and stretching it across the sink basin to the front edge. Write down the width. Lastly, measure the basin depth. Place your straightedge ruler or your level across the top of your sink.
The most popular bathroom sink shape is by far the Oval Sink. It's the ideal size as it's wider than round & square sinks but it allows more counterspace than rectangular sinks. Due to its popularity, it's also the most affordable type of shape.
In larger bathrooms, double sinks tend to look nicer. In a large space, a smaller single sink might feel dwarfed by the other fixtures, such as the tub or shower. Double sinks can help give a larger bathroom a balanced feel.
There are pros and cons to each type of sink, The best thing about a top mount sink (or drop-in) is that it is much easier to install and replace.
In terms of depth, a vanity sink usually ranges between 4” and 8”, though larger sinks may be 10” deep. Overall, bathroom sinks come in a variety of sizes and even more shapes. Pick the size that best fits your sink space and your needs.
Drop-in sinks, or top-mount sinks, are the most popular style of kitchen sink. They're relatively easy to install and come in various styles.
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.
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.
A better quality stainless steel kitchen sink is the 18-gauge, which is 0.0500 inches. Many home improvement choices recommend 16 to 18 gauges as a good choice for a stainless steel kitchen sink. The more costly, a 16-gauge stainless sinks is often touted as a luxury sink and are 0.0625 inches thick.
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.
Size of the Faucet
On the other hand, if the faucet is too big, then you may end up splashing yourself every time you wash your hands or rinse the dishes. Not to mention, the faucet will overpower the sink.
The gauge, or thickness of the material, is an important number that plays a role in determining the quality of the sink. The lower the gauge number, the thicker the material, and thus the higher quality the material. You want to have a thick sink to ensure it is durable and long-lasting for all your kitchen needs.