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18 Inch vs 30 In. Kitchen Sinks: Which Should You Buy?

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Choosing between an 18 Inch vs 30 in kitchen sink depends on your cabinet space and prep needs. Both models are 16-gauge stainless steel undermount sinks with workstation ledges for sliding accessories. They share similar bowl depths and smooth finishes for easy cleaning. The main difference is width. The 18-inch model targets smaller spaces like bars or RVs, while the 30-inch version suits standard kitchens. You need to match the sink to your cabinet minimums.

Key differences

AspectLordear 18-Inch Undermount Workstation SinkKraus 30-Inch Undermount Workstation Sink
Width18 inches30 inches
Target SpaceRVs, BarKitchen
Minimum Cabinet Size21 inches33 inches
Exterior Dimensions18" x 19" x 10"30" L x 19" W x 10 1/2" D
Included AccessoriesDrain strainerCutting board, dish rack, grid, drain assembly

Which one should you choose?

Choose Lordear 18-Inch Undermount Workstation Sink if

  • You have limited cabinet space, requiring a minimum base of 21 inches.
  • You are installing a sink in a bar, RV, or secondary kitchen area.
  • You prefer a compact footprint that maximizes counter space around the sink.

Choose Kraus 30-Inch Undermount Workstation Sink if

  • You need a larger prep area for chopping vegetables or drying dishes.
  • You have a standard kitchen with a 33-inch minimum cabinet base.
  • You want a complete accessory kit including a bamboo cutting board and rolling mat.

Verdict: The 18-inch sink is the practical choice for tight spaces or secondary bars. The 30-inch model offers significantly more workspace for primary kitchen duties. Select the width that fits your cabinet constraints and daily workflow.

18 Inch vs 30 Inch Sink Specs

Width and footprint

Edge: Kraus 30-Inch Undermount Workstation Sink

The Lordear 18-Inch Undermount Workstation Sink measures 18 inches wide, while the Kraus 30-Inch Undermount Workstation Sink spans 30 inches. This 12-inch difference significantly impacts your cabinet requirements. The smaller Lordear model needs a minimum 21-inch base cabinet, making it suitable for tighter spaces like RVs or smaller kitchens. The larger Kraus unit requires a minimum 33-inch cabinet, fitting only in standard, spacious kitchen layouts. You must measure your existing cabinetry carefully before purchasing. The width dictates not just the sink size, but the available counter space surrounding it. A wider sink often means less counter real estate for food prep nearby.

Bowl capacity

Edge: Kraus 30-Inch Undermount Workstation Sink

Interior dimensions reveal the actual usable space for washing. The Lordear sink offers an internal bowl size of 16 by 17 inches with a 10-inch depth. The Kraus sink provides a slightly wider internal area of 26 by 16 inches, also with a 10-inch depth. The Kraus model sacrifices some length for width, resulting in a broader basin. This wider bowl can accommodate larger baking sheets or pots more easily. The Lordear design offers a more compact but deeper-feeling basin due to its narrower width. Both depths are sufficient for most household tasks, but the Kraus width provides better horizontal clearance for bulky items.

Target space suitability

Edge: Lordear 18-Inch Undermount Workstation Sink

Manufacturer data indicates distinct use cases for each sink. The Lordear 18-Inch model is explicitly targeted for RVs and bars, highlighting its compact nature. This makes it an ideal choice for mobile living or secondary prep stations where space is at a premium. The Kraus 30-Inch sink is designed for general kitchen use, aiming to be the primary cleaning and prep hub in a standard home. If you have a large family or cook frequently, the Kraus fits a main kitchen role better. If you need a secondary sink or have limited space, the Lordear is the practical selection.

Workstation features

Edge: Tie

Both sinks include workstation ledges for sliding accessories. The Lordear model features ledges on the front and back to create a versatile track system. This allows you to customize the setup with various accessories across the sink. The Kraus sink includes an integrated ledge specifically designed for sliding accessories. It comes with a bamboo cutting board and a rolling dish rack, providing immediate functionality. While both offer the same core concept of integrated prep space, the Kraus includes specific accessories in the box, whereas the Lordear description emphasizes the track system's versatility for customized additions.

Build and gauge

Edge: Tie

Durability is a key factor in sink selection. Both the Lordear and Kraus models are constructed from 16-gauge stainless steel. This is a heavy-duty gauge that resists dents, corrosion, and damage better than thinner 18 or 20-gauge options. The Lordear uses T304 grade stainless steel, known for its rust and stain resistance. The Kraus uses TRU16 gauge stainless steel, also highlighting high performance and durability. Both feature smooth satin finishes that are easy to clean and resist corrosion. The construction quality appears comparable, with both manufacturers prioritizing thick, resilient materials for long-term everyday use.

Which Sink Fits Your Space

Small kitchen or bar owners

Our pick: Lordear 18-Inch Undermount Workstation Sink

You need a compact footprint for tight spaces. The Lordear model fits a minimum 21-inch cabinet base, making it ideal for RVs or bars. Its 18-inch width saves counter space while still offering a workstation ledge for sliding accessories during prep.

Large family cooks

Our pick: Kraus 30-Inch Undermount Workstation Sink

You require maximum bowl capacity for big pots and multiple dishes. The Kraus sink provides a 30-inch length and 26-inch internal bowl width. This generous size handles large loads efficiently, and the integrated ledge keeps your main workspace clutter-free.

Users with standard cabinets

Our pick: Kraus 30-Inch Undermount Workstation Sink

You have a 33-inch minimum cabinet space available. The 30-inch Kraus sink utilizes this room to offer a wider 19-inch depth. This extra depth accommodates larger items better than the 18-inch model, providing a more versatile workstation for daily meal preparation.

Budget-conscious remodelers

Our pick: Lordear 18-Inch Undermount Workstation Sink

You want a functional workstation sink that fits smaller cabinetry constraints. The Lordear 18-inch unit requires only a 21-inch cabinet base. It shares the same 16-gauge steel and undermount installation as larger models, offering essential durability and drainage features in a compact design.

Quick picks

#ProductBest forPrice
1 Lordear 18-Inch Undermount Workstation Sink compact prep spaces and bar areas Check price of Lordear 18-Inch Undermount Workstation Sink on Amazon
2 Kraus 30-Inch Undermount Workstation Sink large kitchen cabinets needing prep space Check price of Kraus 30-Inch Undermount Workstation Sink on Amazon

The products compared

Lordear 18-Inch Undermount Workstation Sink

Best for: compact prep spaces and bar areas

Width
18 Inch (what this guide is about)
Installation Type
Undermount
Material
T304 Stainless Steel
Exterior Dimensions
18" x 19"
Bowl Depth
10"
Minimum Cabinet Size
21 inches

View on Amazon: Lordear 18-Inch Undermount Workstation Sink Affiliate link

This 18-inch undermount bar sink is built from 16-gauge T304 stainless steel. It measures 18 by 19 inches externally with a 10-inch bowl depth. The workstation design includes front and back ledges for sliding accessories. You get efficient drainage via X-shaped grooves and noise reduction from rubber padding. It requires a minimum 21-inch cabinet base.

Pros

  • 16-gauge T304 stainless steel construction resists rust
  • Workstation ledges allow sliding accessory tracks
  • X-shaped diversion grooves ensure quick drainage
  • Anti-condensation coating and rubber padding reduce noise

Cons

  • 10-inch bowl depth is shallower than standard kitchen sinks
  • Requires a minimum 21-inch base cabinet
  • Single bowl configuration limits washing capacity

Good fit if

  • You need a dedicated prep sink for a bar or RV
  • You want to use sliding accessories for meal prep
  • You have a 21-inch or wider cabinet base available

Skip if

  • You need a deep bowl for washing large pots
  • You are installing in a standard 24-inch cabinet without modification
  • You require a double bowl for separate washing and rinsing

Verdict: Lordear 18 Inch Workstation Bar Sink offers a specialized workspace for prep tasks rather than general dishwashing. It fits best in compact kitchens, bars, or RVs where counter space is limited and accessory utility matters.

Kraus 30-Inch Undermount Workstation Sink

Best for: large kitchen cabinets needing prep space

Width
30 in. (what this guide is about)
Installation Type
Undermount
Material
TRU16 Stainless Steel
Exterior Dimensions
30" x 19"
Bowl Depth
10"
Minimum Cabinet Size
33"

View on Amazon: Kraus 30-Inch Undermount Workstation Sink Affiliate link

This Kraus undermount sink measures 30 inches wide with a 10-inch bowl depth. It features a 16-gauge stainless steel construction and an integrated workstation ledge. The design includes a sloped bottom for efficient drainage. You get accessories like a bamboo cutting board and rolling mat. This model suits kitchens needing a large, durable basin with prep space.

Pros

  • 30-inch width provides ample washing space
  • 16-gauge stainless steel resists dents and corrosion
  • Integrated ledge supports sliding accessories
  • Undermount installation allows easy counter cleanup
  • Includes bamboo cutting board and rolling mat

Cons

  • Requires a minimum 33-inch cabinet size
  • Single bowl design limits separation of tasks
  • Heavy 26.2-pound build needs sturdy support

Good fit if

  • You have a 33-inch or larger base cabinet
  • You want to chop vegetables directly over the sink
  • You prefer an undermount installation style

Skip if

  • You need a double bowl configuration
  • Your cabinet opening is smaller than 33 inches
  • You prefer a farmhouse apron front style

Verdict: Kraus 30 Inch Stainless Steel Workstation Sink fits users with large cabinets who want to prep food near the basin. The 16-gauge steel and included accessories make it a functional choice for busy kitchens.

Specifications side by side

Spec Lordear 18-Inch Undermount Workstation Sink Kraus 30-Inch Undermount Workstation Sink
Installation Type Undermount Undermount
Material T304 Stainless Steel TRU16 Stainless Steel
Exterior Dimensions 18" x 19" 30" x 19"
Bowl Depth 10" 10"
Minimum Cabinet Size 21 inches 33"
Steel Gauge 16 Gauge 16 Gauge
Workstation Ledge not stated Integrated Ledge
Bowl Configuration Single Bowl not stated
Width 18 Inch 30 in.
Target Space RVs, Bar Kitchen
Features Workstation not stated
Color Stainless Steel Stainless Steel
Size 18x19x10 Inch 30 Inch
Gauge 16 Gauge 16 Gauge
Dimensions 19 × 18 × 10 inches 19 × 30 × 10.5 inches
Weight 26.1 pounds 26.2 pounds
Model ULS18A1 KWU110-30

Frequently asked questions

Can I install an 18-inch sink in a 24-inch cabinet?

Yes, the Lordear 18-Inch Undermount Workstation Sink fits a minimum 21-inch cabinet base. This allows for easy installation in standard 24-inch base cabinets. You will have extra space on either side for plumbing or storage. It is a practical choice for compact kitchens or bars where space is tight.

Does the 30-inch sink include accessories for food prep?

The Kraus 30-Inch Undermount Workstation Sink comes with included accessories. These items slide onto the workstation ledges to organize your workspace. This feature supports busy kitchens by keeping tools within reach. It turns the basin into a functional prep area near the sink.

How deep are the bowls in these sinks?

Both sinks offer similar bowl depths for effective washing. The Lordear model has a height of 10 inches. The Kraus model measures 10.5 inches high. This slight difference provides ample space for large pots. You can wash items without worrying about water splashing out easily.

Is stainless steel a durable material for workstation sinks?

Both models use 16-gauge stainless steel construction. This thickness provides durability and resistance to dents. The smooth finish makes cleaning the basin simple. Stainless steel is a standard choice for high-use areas like kitchens and bars. It maintains its appearance with regular maintenance.

Which sink is better for an RV setup?

The Lordear 18-Inch Undermount Workstation Sink is ideal for RVs. Its compact 18-inch width saves valuable counter space. It fits well in small cabins or bar areas. The workstation design helps maximize utility in limited environments. It is a specialized workspace for prep tasks rather than general dishwashing.

Can I use the 30-inch sink for large meal prep?

Yes, the Kraus 30-Inch Undermount Workstation Sink is designed for large kitchens. Its 30-inch width provides ample room for chopping and organizing. The included accessories support efficient workflow. It fits users with large cabinets who need a dedicated prep zone near the basin.

Are these sinks undermount or drop-in?

Both the Lordear and Kraus models are undermount sinks. They attach beneath the countertop for a seamless look. This installation type is easier to clean around the edges. You get a smooth transition from counter to basin. It requires precise cabinet cutting during installation.

See also