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Glam Fame Journal

What are standard sizes for bathroom sinks?

Author

Andrew Rivera

Updated on February 28, 2026

What are standard sizes for bathroom sinks?

Sink Size and Shape Most round bathroom sink bowls are 16 to 20 inches in diameter, and most rectangular sinks are 19 to 24 inches wide and 16 to 23 inches front to back. The typical basin depth is 5 to 8 inches.

What is the smallest size bathroom sink?

At 18″ wide by 10″ deep, this tiny wall-mount is one of the smallest sinks out there. Duravit Vero Wall-Mounted Handrinse Basin, $360.75 from eFaucets. This sink has an attractive, modern look, and the attached towel bar is a nice touch. Cento Ceramic Wall mount Bathroom Sink, $459.99 from Wayfair.

How wide is a small bathroom sink?

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.

Are drop in sinks standard size?

The size of a drop-in sink is based on the size of the countertop. Typical round vanity sinks are 16″ to 20″ in diameter (oval shapes may be wider). Basin depths are typically 5-8″. Round up to the nearest increment.

Are oval sinks dated?

Oval sinks can look dated if they are not paired with the right fixtures. With their smaller sizing, an oval sink is not ideal for large bathrooms where they can be lost in the open space.

Can a bathroom sink be too small?

Small bathrooms usually call for small bathroom sinks, but small sinks can pack a powerful punch. Most standard round sinks measure 16 to 20 inches in diameter, while most rectangular sinks range from widths of 19 to 24 inches and 16 to 23 inches front to back.

What are those small sinks called?

Bar Sinks. A bar sink has a much smaller footprint than a standard sink, allowing it to be installed in spaces where a secondary sink is useful, such as a kitchen island or home bar. Usually made of stainless steel, they are easy to keep clean and sanitized.

What is a standard sink size?

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. The bulk of what you find while shopping will fall within this size range. Generally, sinks up to 30″ will contain one large single bowl.

Is a 10 sink too deep?

Kitchen sink depths commonly fall between the range of 7 inches to 12. However, the optimum range is 8-10 inches. Below or above this range may not necessarily be comfortable for all users.

Can I replace an oval sink with Square?

Can you Replace an Oval Sink with a Square Sink? However, the shape of the square sink will most likely not fit into the countertop cutout of an oval sink.

Which type of bathroom sink is best?

Porcelain and vitreous china are commonly used in the bathroom. This is most likely because porcelain provides a classic look and is easy to clean. Enameled cast iron has a high-gloss finish and is considered the most durable bathroom sink material.