The best single bowl kitchen sinks

A single bowl is not a simpler sink, it is a different trade. You give up the ability to wash on one side and drain on the other, and in exchange you get a basin that takes a half-sheet pan flat, a roasting tray without tilting it, and an oven rack. If you have ever run a tap over the corner of a baking tray propped diagonally in a divided sink, you already know which side of that trade you are on.

Quick picks

Tap any row to jump to the full write-up. There are no scores here because we run no test lab — how picks are chosen is published in full on our methodology page.

#	Product	Best for	Our read	Price
1	Kraus Kore KWU110-30 workstation sink Best overall	Small kitchens that need counter space	A 28-inch bowl in a 30-inch sink, plus a prep ledge	Check price on Amazon→ #ad Affiliate link · We publish no price; Amazon shows the current one
2	Kraus KHT300-33 drop-in sink Best drop-in single bowl	Replacing a sink without touching the counter	31 inches of usable width without touching the counter	Check price on Amazon→ #ad Affiliate link · We publish no price; Amazon shows the current one
3	Blanco Diamond Silgranit super single Best in hard water	Hard water and visible sinks	A super single that hides limescale entirely	Check price on Amazon→ #ad Affiliate link · We publish no price; Amazon shows the current one
4	Kohler Whitehaven K-6489 Best apron front	Farmhouse looks without a custom cabinet	A 30-3/4-inch basin and a self-trimming apron	Check price on Amazon→ #ad Affiliate link · We publish no price; Amazon shows the current one

Overall sink size is a cabinet-planning figure. Basin size is the one that decides whether your largest pan fits, and the gap between them is bigger than people expect: a 33-inch sink has a 31-inch bowl at best and a 28-inch bowl in many cases, because the rim, the radius and the wall thickness all come out of the middle.

A standard half-sheet pan is 18 by 13 inches. Laid flat that needs a bowl at least 18 inches in one direction, which every pick here clears front to back — but it also wants to be washed with the faucet reaching past it, which is where the 31-inch bowl of the KHT300-33 pulls away from the 28-inch Kore. Both work. One is comfortable.

"Super single" is Blanco's name for a single bowl that occupies the footprint a double bowl would normally take — the Diamond Silgranit measures 33-1/2 by 18-1/2 inches with a 9-1/2-inch bowl depth. The term is marketing, but the idea behind it is the whole category: one large basin in the space previously split.

Silgranit is up to 80% ground natural granite in an acrylic binder, and in a hard-water kitchen that material choice matters more than any dimension on this page. Limescale is pale, a dark composite surface is not a mirror, and the color runs through the material so a scratch does not expose a different substrate. What it will not tolerate is a pan straight off the burner — that is stainless territory, and the full trade is on granite composite vs stainless steel.

Two bowls let you keep a sink full of soaking pans on one side while the other stays free for rinsing a glass. With one bowl, a soaking pan occupies the whole sink, and the standard answer — a wire bottom grid plus a colander or a drying rack that sits on the rim — recovers some of it but not all.

That is the real reason workstation sinks took over the single-bowl category: a ledge sink can carry a board, a rack and a colander across the basin, so one bowl does two jobs in sequence instead of one at a time. The decision in full, including who should buy two bowls anyway, is on single bowl vs double bowl.

Photograph shows the product category, not this specific unit. We do not republish manufacturer product photography.

1. Best overall

Kraus Kore KWU110-30 workstation sink

Kraus · Best for small kitchens that need counter space

The workstation sink we would buy, and the clearest case for 16-gauge steel anywhere in this category: a ledge sink is the one configuration where basin flex is genuinely audible, because accessories rest on the rim and transmit it. Ten inches deep, rear-offset drain, and the grid, mat, board and strainer are in the box rather than a $200 upsell.

Published specifications

Overall size

30" x 19" source

Bowl size

28" x 16" source

Bowl depth

10" source

Gauge

16-gauge stainless steel source

Minimum cabinet

33" left to right, 24" front to back source

Drain

Rear offset, 3-1/2" opening source

Sound damping

NoiseDefend pads covering over 80% of the basin, plus undercoating source

Warranty

Kraus limited lifetime source

What works

• +The integrated ledge turns a 30-inch sink into prep counter, the best single trade available in a small kitchen
• +Rear-offset drain leaves usable cabinet space under the front of the sink
• +Genuine 16-gauge with pads over 80% of the basin — gauge and damping do different jobs, and this sink has both
• +A 3-1/2" drain opening takes a standard disposal flange with no adapter

What does not

• −Needs a 33-inch cabinet for a 30-inch sink — measure before ordering
• −A 10-inch deep bowl is a long reach for a shorter person
• −The accessories are the reason to buy it and also the reason it costs more than a plain undermount

Skip it if

Skip it if your run of counter is already generous — you would be paying for prep space you do not need, and a plain 18-gauge undermount will serve.

Check price on Amazon→

#ad Affiliate link · We publish no price; Amazon shows the current one

Raw specifications: Kraus’s own page for the Kraus Kore KWU110-30 workstation sink.

Photograph shows the product category, not this specific unit. We do not republish manufacturer product photography.

2. Best drop-in single bowl

Kraus KHT300-33 drop-in sink

Kraus · Best for replacing a sink without touching the counter

The drop-in we would fit in most kitchens, because it is a 16-gauge sink sold as a dual-mount: the rim is finished to sit on the counter, and the same sink can be undermounted later if you ever replace the countertop. At 10 inches deep with a rear-set drain it behaves like a modern undermount while asking nothing of your existing counter.

Published specifications

Overall size

33" x 22" x 10-5/8" deep source

Bowl size

31" x 18" x 10" deep source

Gauge

TRU16 gauge T304 stainless steel source

Mounting

Dual mount — drop-in or undermount source

Faucet holes

Two pre-drilled, for a faucet and a soap dispenser source

Drain

Rear-set source

Minimum cabinet

36" source

Sound damping

NoiseDefend pads on all sides plus anti-condensation undercoating source

Certification

cUPC to ASME A112.19.3 / CSA B45.4 source

Included

Bottom grid, drain assembly with removable strainer, decorative drain cover source

Warranty

Kraus limited lifetime source

What works

• +16-gauge steel in a drop-in, which is unusual — most top-mount sinks at this size are 18-gauge or thinner
• +Dual mount means the sink survives a future countertop replacement instead of being thrown away with it
• +A 10-inch bowl with a rear-set drain leaves usable cabinet space under the front of the sink
• +Grid, drain and strainer are in the box, so the only extra part is the sealant

What does not

• −A 33-inch sink still needs a 36-inch cabinet, so it is not a drop-in replacement for a 30-inch base unit
• −A 10-inch bowl is a long reach for a shorter person, and a drop-in rim sits slightly higher than an undermount one
• −Kraus publishes no unit weight for this model, so plan the lift by the shipping box rather than a figure

Skip it if

Skip it if your existing cutout is for a 30-inch sink. A drop-in can cover a slightly smaller hole, never a smaller cabinet.

Check price on Amazon→

#ad Affiliate link · We publish no price; Amazon shows the current one

Raw specifications: Kraus’s own page for the Kraus KHT300-33 drop-in sink.

Photograph shows the product category, not this specific unit. We do not republish manufacturer product photography.

3. Best in hard water

Blanco Diamond Silgranit super single

Blanco · Best for hard water and visible sinks

The granite composite sink that answers the material's usual objection. Silgranit is up to 80% ground granite in an acrylic binder, and what it does better than stainless is hide everything: no water spots, no visible scratch pattern, no dent from a dropped pan. What it does worse is take a screaming-hot pan straight off the burner.

Published specifications

Overall size

33-1/2" x 18-1/2" source

Bowl depth

9-1/2" source

Material

Silgranit — up to 80% ground natural granite in an acrylic composite source

Minimum cabinet

36" source

Warranty

Blanco limited lifetime source

What works

• +Hides limescale and water spotting better than any stainless finish — the reason to choose it in hard water
• +Color runs through the material, so a scratch does not expose a different substrate
• +Quieter than stainless without added pads, because the mass does the damping
• +A 9-1/2" bowl is deep enough to lay a sheet pan flat

What does not

• −Composite is not stainless: thermal shock is a real limit, so a very hot pan goes on a trivet
• −Light colors show tea and turmeric staining more than dark ones
• −Blanco publishes no thermal-limit figure, so we will not print one

Skip it if

Skip it if you routinely dump hot pans and boiling stock straight into the sink. Stainless tolerates that; composite is the wrong tool for it.

Check price on Amazon→

#ad Affiliate link · We publish no price; Amazon shows the current one

Photograph shows the product category, not this specific unit. We do not republish manufacturer product photography.

4. Best apron front

Kohler Whitehaven K-6489

Kohler · Best for farmhouse looks without a custom cabinet

The enameled cast-iron farmhouse sink to buy, mainly for one structural reason: the self-trimming apron overhangs the cabinet face, so installation is a rough cut rather than a cabinetmaker's fit. That detail is the difference between a weekend job and a trade job. It is also heavy enough that the cabinet needs real support.

Published specifications

Overall size

35-11/16" x 21-9/16" x 9-5/8" source

Basin size

30-3/4" x 18-1/16" x 9" deep source

Material

Enameled cast iron source

Minimum cabinet

36" source

Basin slope

2 degrees toward an offset drain source

Drain connection

1-1/2" source

Warranty

Kohler limited lifetime source

What works

• +Self-trimming apron means a rough cabinet cut, not a precision one
• +Enameled cast iron resists chipping, cracking and heat in a way composite does not
• +The 2-degree slope and offset drain genuinely reduce standing water
• +Kohler stocks matching drains and accessories, so the sink does not orphan

What does not

• −Cast iron is heavy — the cabinet needs a proper support frame, and that is the real installation cost
• −Enamel dulls under abrasive cleaners, and a dropped cast pan will chip it
• −Kohler does not publish a unit weight on the range page, so plan support using your retailer's shipping weight

Skip it if

Skip it if you are installing alone, or over an existing base cabinet you cannot reinforce. Weight decides this one, not looks.

Check price on Amazon→

#ad Affiliate link · We publish no price; Amazon shows the current one

Raw specifications: Kohler’s own page for the Kohler Whitehaven K-6489.

Farmhouse sinks are almost always single bowl, because the apron is a single continuous face and a divider behind it is a visual argument nobody wins. The Kohler Whitehaven K-6489 is the one we would fit, for a structural reason rather than a stylistic one: the apron is self-trimming, so it overhangs the cabinet face and the cut underneath it is rough rather than a cabinetmaker's fit.

Kohler publishes a 2-degree basin slope toward an offset drain, which genuinely reduces standing water in a wide flat basin — the usual complaint about big single bowls. What you pay for it is weight: enameled cast iron needs a cabinet with a real support frame, and Kohler does not publish a unit weight on the range page, so plan support using your retailer's shipping figure. If that is a problem, fireclay sinks are the lighter route to the same look.

1. 1Cabinet width first. It caps everything else: 33 inches of cabinet means a 30-inch sink, 36 inches means 33.
2. 2Then basin width, not overall width. Ask the listing for the bowl dimension and walk away if it will not say.
3. 3Then depth against your trap arm. Ten inches is excellent and it is also the depth that collides with high trap arms and tall disposals.
4. 4Then the drain position, because a rear-offset drain is what keeps the front of the cabinet usable.
5. 5Then material, which is the only one of these you can choose on preference rather than measurement.