Small Kitchen Sink Dimensions Chart

Small kitchen sinks come in a wide range of sizes, but choosing the right one requires more than comparing overall width. Cabinet size, countertop depth, sink depth, and installation type can all affect whether a sink will fit properly.

This small kitchen sink dimensions chart provides a quick reference for comparing common compact sink sizes, bowl depths, and cabinet requirements.

Table of Contents

Small Kitchen Sink Dimensions Chart

Small kitchen sink dimensions and typical cabinet requirements at a glance.

Common Small Kitchen Sink Sizes

Sink Type	Typical Width	Front-to-Back	Bowl Depth	Common Cabinet
Compact single-bowl	15–20 in	15–20 in	6–8 in	18–24 in
Small single-bowl	20–24 in	18–22 in	7–9 in	24–27 in
Small double-bowl	24–30 in	18–22 in	7–9 in	27–33 in
Bar/prep sink	15–24 in	15–20 in	6–9 in	18–24 in
Compact RV sink	12–20 in	12–18 in	5–8 in	Varies
Small farmhouse/apron sink	20–30 in	18–24 in	8–10 in	24–36 in

Important: These are general size ranges. Actual dimensions vary by manufacturer, model, mounting style, and installation requirements.

How to Choose the Right Small Sink Size

A sink’s advertised width does not tell the whole story. Before choosing a replacement sink, compare the sink dimensions with your available cabinet and countertop space.

15–20 Inch Sinks

Compact sinks in this range can work well for very small kitchens, bar areas, prep stations, tiny homes, and other spaces where countertop area is limited.

20–24 Inch Sinks

This range offers more usable washing space while still keeping the footprint relatively compact.

24–30 Inch Sinks

Larger compact sinks can provide more bowl capacity but generally require a wider cabinet and more countertop space.

What to Measure Before Buying a Small Kitchen Sink

Before ordering a replacement sink, measure:

Cabinet width
Countertop depth
Existing sink width
Existing sink front-to-back dimension
Existing countertop cutout
Sink bowl depth
Drain location
Faucet-hole configuration
Mounting type

Important Tip

Always check the manufacturer’s installation specifications before purchasing a sink.

Small Sink Cabinet Size Guide

The sink itself isn’t the only measurement that matters.

A sink may be advertised as 20 inches wide, but the required cabinet width can be larger depending on the sink’s construction and installation requirements.

This is why you should compare:

Sink dimensions → Required cabinet width → Countertop cutout → Installation requirements

For a detailed measurement process, read our guide on how to measure a cabinet for a replacement kitchen sink.

Small Kitchen Sink Dimensions by Use

Small Apartment Kitchens

A compact single-bowl sink can help preserve valuable countertop space in smaller kitchens and apartments.

Bar and Prep Areas

Bar and prep sinks are useful when the primary goal is washing produce, preparing food, or handling smaller kitchen tasks.

RV Kitchens

RV kitchens have especially limited cabinet and countertop space, so actual cabinet measurements are essential before choosing a replacement sink.

For more information, see our guide to the best sink for RV kitchens.

Frequently Asked Questions

What is the smallest practical kitchen sink size?

Compact kitchen sinks can start around 15 inches wide, although the smallest practical size depends on cabinet space, countertop layout, and how the sink will be used.

What cabinet size do I need for a small kitchen sink?

The required cabinet width varies by sink model and installation design. Always check the manufacturer’s minimum cabinet requirement rather than relying only on the sink’s advertised width.

How do I know if a replacement sink will fit?

Measure the existing cabinet, countertop cutout, sink dimensions, and available plumbing clearance. Then compare those measurements with the replacement sink’s installation specifications.

Are small sinks suitable for everyday kitchens?

Yes. A properly sized small sink can work well in compact kitchens, apartments, tiny homes, and other spaces where countertop area is limited.

Final Takeaway

The best small kitchen sink is not necessarily the smallest one available. The right choice depends on your cabinet width, countertop space, cutout dimensions, sink depth, and installation requirements.

Use the chart above as a starting point, then verify the exact measurements for the sink model you plan to install.

Related guide: Small Kitchen Sink Dimensions