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Master Kitchen Sink Dimensions for Flawless Plumbing and Installation

Virginia Shelley
2 minute read

Installing a new kitchen sink is an exciting part of remodeling or building a home. However, without proper planning and measurements, sink installation can easily go awry leading to leaks, drainage problems, or an improperly fitted sink.

Understanding standard sink dimensions along with required clearances and plumbing rough-in placement is crucial for kitchen sink plumbing rough in measurements success. Taking the time to measure correctly and plan ahead will ensure your beautiful new sink functions flawlessly for years to come.

Choosing the Optimal Sink Size and Type

Kitchen sinks come in a variety of types and sizes. Here are some common options:

Single bowl – A one-basin sink, typically 33″ x 22″ and at least 7″ deep.

Double bowl – Divided into two equal basins, also normally 33″ x 22″.

Extra deep – For larger dishes and pots. Minimum 10″ depth.

Apron-front or farmhouse sinks have an exposed front face and a vintage look. They are often deeper and larger.

Design Factors

When selecting your sink, consider size of dishes, kitchen workload, and aesthetic style. An apron-front sink requires more counter space. Double bowls add convenience.

Installation Planning and Measurements

Kitchen Sink Plumbing Rough In Measurements

Proper planning is key to a smooth sink installation. There are some important measurements involved:


Adequate clearances allow room for faucets and backsplashes while preventing collisions between the sink basin and surroundings.

Cabinet Cut-Out

The cabinet cut-out should be 1/8” larger overall than the outer sink rim size. This enables a snug fit while allowing wiggle room to fine-tune placement.

Plumbing Rough-In

Proper plumbing prep is crucial. Standard guidelines:

Apron-front sinks may need custom rough-in placement.

Installing the Sink

Securing the Sink

Undermount sinks clamp to the underside of the counter. Top-mount sinks drop in. Apron-front sinks require sturdy brackets or a ledger board attached to the wall for support.

Plumbing Connections

After securely mounting the sink, connect the drain line, P-trap, supply lines, and faucet according to code. Leak test before finishing up.

Finishing Touches

Apply caulk around the sink edge for a watertight seal. Add any backsplash and accessories to complete your kitchen’s fresh new look.

Installing a kitchen sink involves carefully orchestrated measurements for plumbing, cabinetry, clearance, and more. With proper planning using the standard sink dimensions and installation tips provided, you can look forward to an efficiently functioning sink that delivers beauty and convenience to your kitchen.