How Do You Measure Kitchen Cabinets: A Step-by-Step Guide

Knowing how to measure kitchen cabinets is crucial before buying new ones or remodeling your kitchen. This guide will teach you exactly how to measure your kitchen for cabinets, ensuring a perfect fit and a smooth renovation process.

How Do You Measure Kitchen Cabinets
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Why Precise Measurements Matter for Cabinets

Getting your kitchen cabinet measurements right is the first and most important step in any kitchen renovation. It’s not just about making sure new cabinets fit; it’s about saving time, money, and a lot of potential frustration. When you measure accurately, you avoid ordering cabinets that are too big or too small, which can lead to costly mistakes, installation delays, and a kitchen that doesn’t function as well as it should. This detailed guide will walk you through the entire process, from start to finish, so you can confidently tackle your kitchen project.

The Importance of Accurate Cabinet Dimensions

Accurate cabinet dimensions are the backbone of a successful kitchen design and installation. Whether you’re working with standard cabinet sizes or planning for custom cabinet measurements, precision ensures that every piece fits seamlessly into your kitchen layout. Incorrect measurements can mean that doors don’t open fully, appliances don’t fit, or you have awkward gaps that collect dust and debris. This can impact the overall aesthetic and functionality of your kitchen.

Standard Cabinet Sizes vs. Custom Cabinet Measurements

When you’re thinking about how to measure for cabinets, it’s also good to have a basic idea of the typical cabinet sizes available. Most manufacturers offer a range of standard cabinet sizes that fit common kitchen layouts. However, many kitchens have unique architectural features or specific needs that call for custom cabinet measurements. Knowing your space well will help you decide whether standard sizes will work or if you need to explore custom options. This guide will cover how to measure for both scenarios.

Getting Started: What You’ll Need

Before you grab your measuring tape, make sure you have the right tools and a clear plan. Having everything ready will make the measuring process much smoother and more efficient.

Essential Tools for Measuring

Measuring Tape: A sturdy, retractable metal measuring tape is your best friend. Look for one with clear, easy-to-read markings.
Pen and Paper or Digital Device: You’ll need to record all your measurements. A notebook, clipboard, or a tablet with a note-taking app works well.
Graph Paper (Optional): If you’re planning a layout, graph paper can be helpful for sketching.
Ladder or Step Stool: For reaching higher areas.
Helper (Recommended): Having a second person can make measuring more accurate, especially for longer runs or when dealing with awkward spaces.
Camera: To take photos of your existing kitchen, which can be helpful for reference.

Preparing Your Kitchen Space

Clear the clutter from your countertops and floor. This gives you unobstructed access to walls and cabinet bases. If you have existing cabinets you’re replacing, make sure they are empty.

Measuring Your Existing Kitchen Layout

The most effective way to measure for new cabinets is to start by accurately measuring your current kitchen space. This provides a baseline and helps you identify any unique challenges or opportunities.

Measuring Wall Lengths

This is the fundamental step in determining how much cabinet you can fit.

How to Measure Wall Lengths

Start at a Corner: Place the end hook of your measuring tape firmly in one corner.
Extend to the Next Corner: Pull the tape tautly along the wall to the next corner or obstruction (like a doorway or window).
Record the Measurement: Write down the exact measurement. It’s best to measure in inches for cabinet purposes, as most manufacturers use imperial units.
Account for Obstructions: If there’s a window, door, appliance, or any other feature on the wall, measure from the corner to the start of the obstruction, then from the end of the obstruction to the next corner.
Repeat for All Walls: Measure every wall where you plan to install cabinets.

Tip: Always measure to the nearest 1/8 inch or 1/16 inch for maximum accuracy.

Measuring Cabinet Height and Depth

When measuring existing cabinets, you’ll need to capture their cabinet height and cabinet depth. This is crucial for understanding what you have and what you might want in new cabinetry.

Measuring Existing Cabinet Height

Base Cabinets: Measure from the floor to the top of the countertop. If you’re not measuring a countertop yet, measure from the floor to where you want the top of your base cabinets to be. Standard base cabinet height is typically 34.5 inches, with a countertop adding another 1.5 inches for a total of 36 inches.
Wall Cabinets: Measure from where the top of your base cabinets (or countertop) will be up to the ceiling, or to the desired height for your cabinets. Standard wall cabinet heights are 30 inches, 36 inches, and 42 inches.

Measuring Existing Cabinet Depth

Base Cabinets: Measure the depth of your existing base cabinets, usually from the front of the door or drawer to the back where it meets the wall. Standard base cabinet depth is typically 24 inches. Make sure to account for any decorative door or drawer fronts that might extend beyond the cabinet box.
Wall Cabinets: Measure the depth of your existing wall cabinets. Standard wall cabinet depth is usually 12 inches.

Measuring for Windows and Doors

Accurate measurements around windows and doors are vital to ensure cabinets don’t interfere with their operation.

How to Measure Windows and Doors

Window Width: Measure the width of the window opening itself. Then, measure the distance from the corner of the room to the edge of the window frame, and from the other edge of the window frame to the next corner. Note the height of the windowsill from the floor.
Door Width: Measure the width of the door opening. Also, measure the distance from the corner to the door frame and from the door frame to the next corner. Note the distance from the floor to the bottom of the door frame.
Clearance: Ensure you measure the space needed for doors to open fully. For example, if a wall cabinet is to be placed next to a door, you need to account for the door swing.

Identifying and Measuring Obstructions

Think about anything that might limit where cabinets can go or how they can be installed.

Common Obstructions to Measure

Plumbing: Locate and measure the distance of any pipes or drains from the corner.
Electrical Outlets and Switches: Measure their height from the floor and their distance from corners.
HVAC Vents: Measure their placement and size.
Radiators: Note their location and how much they protrude from the wall.
Ceiling Bulkheads or Soffits: Measure the height and depth of these features, as they will affect the height and placement of your wall cabinets.
Appliance Locations: Note where existing or planned appliances will go and their exact dimensions.

Measuring for Appliances

If you plan to install new appliances, their cabinet dimensions are critical.

How to Measure for Appliances

Refrigerator: Measure the width, height, and depth of the appliance. Also, measure the space required for the door to open fully and for ventilation.
Oven/Range: Measure the width of the appliance and the required cutout space in the cabinetry.
Dishwasher: Measure the standard width (usually 24 inches), height, and depth, and ensure there’s enough space for installation and plumbing.
Microwave: Measure its dimensions and the space needed for installation (e.g., over the range, in a cabinet, or on the counter).

Measuring for New Cabinet Installation

Once you have a good understanding of your existing space, you can start planning for your new cabinets. This involves measuring for the cabinet boxes themselves, considering different cabinet types.

Measuring for Base Cabinets

Base cabinets sit on the floor and are topped with a countertop.

How to Measure for Base Cabinets

Wall Lengths: As measured previously, record the total length of each wall where base cabinets will be installed.
Corner Measurements: Measure the length of each wall segment leading into a corner. This is crucial for corner cabinets, which can be L-shaped or U-shaped.
Cabinet Widths: Determine how many standard-width base cabinets (e.g., 12″, 15″, 18″, 21″, 24″, 27″, 30″, 33″, 36″) you want to fit along each wall. You can also plan for drawer bases or specialty cabinets. Remember to subtract any space needed for fillers at the ends of cabinet runs or around appliances.
Cabinet Depth: Standard base cabinet depth is 24 inches. If you have specific needs, like a shallower cabinet for a narrow walkway, you’ll need to account for that.
Cabinet Height: The standard cabinet height is 34.5 inches. This measurement is from the floor to the top of the cabinet box, before the countertop is added.

Important Consideration: When measuring for base cabinets, subtract 1/2 inch to 1 inch from your total wall length for fillers at the ends of cabinet runs if you plan to have them. This allows for expansion and ease of installation.

Measuring for Wall Cabinets

Wall cabinets are mounted on the wall above the base cabinets.

How to Measure for Wall Cabinets

Wall Lengths: Use the same wall length measurements as for base cabinets.
Cabinet Widths: Decide on the widths of your wall cabinets. Similar to base cabinets, standard widths are available (e.g., 12″, 15″, 18″, 24″, 30″, 36″).
Cabinet Height: Choose your desired cabinet height (e.g., 30″, 36″, 42″). This depends on your ceiling height and personal preference. Consider the standard 18-inch backsplash height between base and wall cabinets.
Cabinet Depth: Standard wall cabinet depth is 12 inches. Again, custom depths are possible if needed.
Vertical Clearances: Measure from the top of your base cabinets (or countertop) to the ceiling or any obstructions like soffits. This will determine the maximum height of your wall cabinets. Also, measure the distance from the top of your base cabinets to any windowsills or doors.

Key Point: When planning wall cabinet heights, remember the standard 18-inch gap between the countertop and the bottom of the wall cabinets. If you choose a 36-inch tall wall cabinet and have a 34.5-inch base cabinet, the total height from the floor to the top of the wall cabinet will be 34.5 + 18 + 36 = 88.5 inches.

Measuring for Corner Cabinets

Corner cabinets are often the trickiest to measure for.

How to Measure for Corner Cabinets

There are two common types of corner cabinets: lazy susans and blind corners.

Lazy Susan Corner Cabinets:
- Measure the Wall Lengths: Measure the length of each wall that meets at the corner.
- Determine Cabinet Size: The size of a lazy susan cabinet is typically described by the width of the wall it occupies. For example, a 36-inch lazy susan cabinet will occupy 36 inches of wall space on each side of the corner. The internal carousel diameter will be smaller than the cabinet width.
Blind Corner Cabinets:
- Measure the Wall Lengths: Measure the length of each wall that meets at the corner.
- Determine Cabinet Size: Blind corner cabinets are also sized by the wall length they occupy. A 48-inch blind corner cabinet will extend 48 inches along one wall from the corner and a certain amount along the adjacent wall (often less than 48 inches, depending on the design), leaving a “blind” or hidden section. You need to measure how far the cabinet box will extend along each wall.

General Rule for Corners: When measuring a corner, think about the “return” – how far the cabinet box will go along each wall from the point of the corner. This is critical for custom cabinet measurements and even for fitting standard blind corner cabinets.

Measuring for Specialty Cabinets

Consider any other types of cabinets you might need.

Other Cabinet Measurements to Consider

Appliance Garage: Measure the width, height, and depth of the space where you want an appliance garage.
Tall Pantry Cabinets: Measure the full height of the wall, from floor to ceiling, and the desired width and depth. Ensure there is enough clearance for the door to open.
Sink Base Cabinets: Measure the width of your sink and the space required for plumbing behind it. Standard sink base cabinets are often 30″, 33″, or 36″ wide.

Planning Your Cabinet Layout and Sizes

With all your measurements taken, you can start to map out your ideal kitchen layout.

Creating a Floor Plan

A floor plan is a bird’s-eye view of your kitchen.

Steps for Creating a Floor Plan

Draw the Room Outline: Using your wall measurements, draw the shape of your kitchen on paper or using design software.
Add Windows and Doors: Mark the exact locations and sizes of windows and doors.
Mark Obstructions: Indicate the positions of plumbing, electrical outlets, vents, and any other fixed features.
Place Appliances: Draw in the outlines of your appliances to scale.
Sketch Cabinet Placement: Start placing your base and wall cabinets, considering workflow and functionality. You can use standard cabinet sizes or create custom cabinet measurements at this stage.

Working with Standard Cabinet Sizes

Manufacturers provide a wide range of standard cabinet sizes.

Benefits of Standard Cabinet Sizes

Cost-Effective: Generally less expensive than custom cabinets.
Faster Lead Times: Quicker to order and receive.
Predictable Dimensions: Easy to plan around.

Common Standard Cabinet Sizes (Widths in Inches)

Cabinet Type	Common Widths	Typical Depth (Base)	Typical Depth (Wall)	Typical Height (Base)	Typical Height (Wall)
Base Cabinet	9, 12, 15, 18, 21, 24, 27, 30, 33, 36	24″	N/A	34.5″	N/A
Drawer Base Cabinets	15, 18, 24, 30, 36	24″	N/A	34.5″	N/A
Wall Cabinet	9, 12, 15, 18, 21, 24, 27, 30, 33, 36	N/A	12″	N/A	30″, 36″, 42″
Corner Base Cabinet	36″ x 36″ (for lazy susan)	24″	N/A	34.5″	N/A
Blind Corner Base	Varies (e.g., 42″ to fit a 36″ wall)	24″	N/A	34.5″	N/A
Sink Base Cabinet	30, 33, 36, 42, 48	24″	N/A	34.5″	N/A
Tall Pantry Cabinet	18, 24, 30, 36	24″	N/A	84″, 90″, 96″	N/A

Note: These are typical measurements. Always confirm with your specific manufacturer.

Adapting to Custom Cabinet Measurements

If your kitchen has an unusual layout or specific needs, custom cabinets are the way to go.

When to Choose Custom Cabinets

Unusual Wall Lengths: If wall lengths don’t align with standard cabinet widths.
Awkward Corners: For uniquely shaped or sized corner spaces.
Specific Appliance Integration: When appliances require non-standard cabinet dimensions.
Unique Design Features: To incorporate specific aesthetic elements or functional requirements.
Maximizing Space: To utilize every inch of available space efficiently.

Process for Custom Cabinet Measurements

When ordering custom cabinets, you’ll work closely with a cabinet maker or designer. They will either use your detailed measurements or send a professional to measure your space precisely. This ensures the custom cabinet sizes are made to fit your kitchen perfectly. You will need to provide all the measurements detailed in this guide, along with your desired cabinet depths and heights.

Double-Checking Your Measurements

Never skip this critical step! A second, and even a third, check can save you from costly errors.

The Importance of Verification

Mistakes happen, especially when dealing with many numbers. A thorough double-check ensures you haven’t misread a measurement, transposed numbers, or missed a crucial detail.

Tips for Effective Double-Checking

Measure Everything Twice: After your initial measurements, go back and measure every single item again.
Use a Different Person: Have a friend or family member take the measurements while you verify. This brings a fresh perspective.
Measure from Different Points: For example, if you measured a wall from left to right, measure it again from right to left.
Check Against Plans: Compare your measurements against any architectural plans or existing cabinet documentation if available.
Consider the “Big Picture”: Do the cabinet dimensions you’ve planned make sense within the overall kitchen layout? Are there logical flow and sufficient clearances?

Frequently Asked Questions (FAQs)

Q1: How do I measure for a sink base cabinet?

A1: Measure the width of your sink. Then, measure the width of the wall space where the sink base cabinet will go. You’ll need to ensure the cabinet is wide enough to accommodate the sink and any plumbing behind it. Standard sink base cabinets are typically wider than the sink itself to allow for installation.

Q2: What is the standard backsplash height?

A2: The standard backsplash height between base cabinets and wall cabinets is 18 inches. However, this can be adjusted based on your design preferences and the heights of your cabinets.

Q3: Can I measure in centimeters?

A3: While you can measure in centimeters, most cabinet manufacturers in North America use imperial units (inches). It’s best to convert your measurements to inches for accuracy when ordering cabinets.

Q4: How do I account for uneven walls when measuring kitchen cabinets?

A4: Measure the length of the wall at multiple points (e.g., at the floor, at countertop height, and at the ceiling) and use the smallest measurement. For cabinet placement, you’ll often use fillers to bridge gaps caused by uneven walls.

Q5: What if I have a unique corner shape?

A5: For non-standard corners, you’ll need to measure the exact dimensions of the space. This might involve measuring the angles and the lengths of each wall segment. It’s often best to consult with a cabinet professional or designer for these situations, as custom cabinet measurements will likely be necessary.

Q6: How do I measure for base cabinets if I’m keeping my existing countertop?

A6: Measure from the floor up to the top surface of your existing countertop. This will be the target height for your new base cabinet boxes. Remember that the new countertop will likely add another 1.5 inches.

By following this comprehensive guide on how to measure kitchen cabinets, you’ll be well-equipped to embark on your kitchen renovation with confidence. Accurate measurements are the foundation for beautiful, functional, and perfectly fitted cabinetry.