How to Choose the Right Small Kitchen Sink

Selecting a small kitchen sink comes down to four decisions: size, installation type, material, and bowl configuration. Start by measuring your cabinet width — your sink should be at least 2 inches smaller than the cabinet to allow for clearance, faucet placement, and proper sealing. From there, match installation type to your countertop material and pick a gauge that balances durability with budget.

Small Kitchen Sink Sizes and Dimensions

Our small kitchen sink collection spans 8 inch to 20 inch widths to fit every compact layout. Here's how each size range typically fits:

• 8 to 11 inch sinks — Compact bar and prep secondaries, ideal for kitchen islands, wet bars, butler's pantries, and outdoor entertaining stations. Bowl depths typically 6 to 7 inches.
• 12 to 15 inch sinks — Compact prep stations, small bar areas, and tiny house primary sinks. Premium TopZero Krakow (12 inch) and Oslo (15 inch) flush mount options available in this range.
• 16 to 18 inch sinks — Studio apartment kitchens, RV kitchens, micro-condos, and accessory prep sinks. Single-bowl designs with 8 to 9 inch bowl depth fit standard cabinets.
• 19 to 20 inch sinks — Primary small kitchen sinks for compact full kitchens and condo layouts. Best size if you need a real primary basin in a tight space.

Small Kitchen Sink Ideas for Apartments, Tiny Homes, and More

A compact kitchen sink unlocks design flexibility you can't achieve with standard 30 to 36 inch sinks. Common small kitchen sink ideas include:

• Studio and one-bedroom apartments — A 16 to 20 inch single bowl maximizes counter space while still handling everyday dishwashing and food prep.
• Tiny houses and ADU kitchens — Pair an 18 inch undermount sink with a single-drawer dishwasher for a fully functional compact kitchen.
• Kitchen islands — Install an 11 to 15 inch prep sink in your island so the main work triangle stays intact while you gain a dedicated rinse and prep zone.
• Outdoor kitchens and bars — Compact stainless steel bar sinks (8 to 15 inch) hold up to weather and heavy use better than larger composite options.
• RV and camper kitchens — Compact 12 to 18 inch sinks fit standard RV cabinet cutouts. Browse our dedicated RV sinks collection for compatible models.
• Wet bars and butler's pantries — Small bar sinks (8 to 11 inch) add functionality to secondary spaces without dominating the countertop.

Installation Types for Compact Kitchens

Undermount Small Kitchen Sinks

Undermount sinks install beneath granite, quartz, and solid-surface countertops for a seamless rimless transition. The advantage: counter sweeps directly into the basin with no rim to catch crumbs. Most of our Sink Depot Classic, Pro, and Trend series small sinks are undermount. See more in our Undermount Kitchen Sinks collection.

Dual Mount Small Kitchen Sinks

Dual mount sinks install as either undermount or top-mount (drop-in), giving you full flexibility for any countertop material including laminate. The Sink Depot Dual 16, Dual 17, Dual M18, and Dual M33 series fit this category. Ideal for kitchen remodels where you want to keep options open.

Flush Mount Small Kitchen Sinks

Flush mount sinks like the TopZero Basel TZ RS457, Krakow TZ RS254, and Oslo TZ R340 sit perfectly level with the countertop using a patented seamless edge. The premium look pairs commercial-grade durability with refined modern aesthetics. Explore the full Flush Mount Sinks collection for more options.

Materials and Gauges

All sinks in this small kitchen sink collection are made from premium stainless steel. The gauge number indicates thickness — lower numbers mean thicker, more durable steel.

• 18-gauge stainless steel — Standard residential thickness. Found in Sink Depot Classic, Trend, and Dual series. Affordable and sufficient for everyday small kitchen use.
• 16-gauge stainless steel — Commercial-grade thickness. Found in Sink Depot Pro series and premium TopZero models. Heavier, quieter, and built for heavy daily use.

For more on gauge selection, see our guide to the best gauge for stainless steel sinks.

Single Bowl vs Double Bowl in Small Kitchens

For sinks under 20 inches, single bowl is almost always the right choice. A 20 inch sink split into two bowls leaves each basin too narrow for cookware. Save the double bowl configuration for 32 inch and larger primary kitchen sinks. If you need separated prep and cleanup zones in a tight space, consider a 16 to 20 inch primary sink plus a separate 8 to 11 inch bar/prep secondary on the island.

Premium vs Affordable Small Kitchen Sink Options

This collection includes options across the price spectrum:

• Budget-friendly ($120 to $200) — Sink Depot Classic and Trend series in 8 to 20 inch sizes
• Mid-range ($250 to $500) — Sink Depot Pro and Dual M series with 16-gauge construction
• Premium ($600 to $1000+) — TopZero flush mount sinks with patented seamless edge installation, hand-made 16-gauge BA 304 stainless steel, and signature satin or matte black finishes

Frequently Asked Questions

What size is considered a small kitchen sink?

Generally, a small kitchen sink measures under 22 inches in width. Our collection focuses on 8 to 20 inch sinks — the most useful range for apartments, tiny homes, RVs, kitchen islands, and prep stations.

Will a small kitchen sink fit a standard cabinet?

Yes. Small kitchen sinks fit cabinets ranging from 12 inches (for 8-11 inch bar/prep sinks) to 24 inches (for 20 inch primary sinks). Always measure your cabinet width and subtract at least 2 inches for the sink width to allow clearance.

Is a small kitchen sink deep enough for daily dishwashing?

For primary kitchen use, look for sinks with 8 to 10 inch bowl depth. Most 16 to 20 inch sinks in our collection offer 8 to 9 inch depth, which comfortably handles standard pots, pans, and dishes. Bar/prep sinks (6 to 7 inch depth) are better as secondary or specialized stations.

Can I install a small kitchen sink as my primary kitchen sink?

Absolutely. A 19 to 20 inch single bowl sink handles primary kitchen use in apartments, condos, tiny homes, and small homes. Pair it with a higher-flow faucet and a slim dish drying mat to maximize functionality.

What is the best gauge for a small kitchen sink?

For everyday residential use, 18-gauge stainless steel is sufficient. If you want a quieter, more premium feel or expect heavy daily use, 16-gauge commercial-grade stainless steel (found in our Pro and TopZero series) is the better choice.

Are small kitchen sinks available in matte black?

Yes. The Sink Depot Pro 15 Black (15 inch undermount bar) and TopZero Oslo TZ R340 M (15 inch flush mount) offer matte black finishes that resist fingerprints and water spots while delivering a bold contemporary aesthetic.

Related Small Kitchen Sink Collections

Looking for more options? Browse our Bar & Prep Sinks, Undermount Kitchen Sinks, Flush Mount Sinks, Stainless Steel RV Sinks, and Single Bowl Kitchen Sinks collections.