How to Measure Your Kitchen for Cabinets (Step-by-Step)

To measure your kitchen for cabinets, record each wall's length at both 36" and 84" heights, mark every window, door, outlet, and plumbing location, then map cabinets in standard 3" width increments. Total the cabinet widths against each wall before ordering — the most expensive mistake in cabinet buying is a run that doesn't fit.

Key Measuring Facts

• Stock cabinets come in 3" width increments (9" to 48"), so every run must resolve to those sizes plus fillers.
• Standard base cabinets are 34.5" tall and 24" deep; with a countertop they finish at 36". Wall cabinets are typically 12" deep and hung with 18" of clearance above the counter.
• Walls are rarely square: measurements at floor and ceiling height commonly differ by 1/4" to 3/4", which is why you measure every wall at two heights and use the smaller number.

What Tools Do You Need to Measure a Kitchen?

A 25-foot steel tape measure, a notepad or phone, a pencil, and a level. Graph paper helps: use one square = 3 inches so stock cabinet sizes snap to the grid.

How Do You Measure Kitchen Walls for Cabinets? (Step-by-Step)

1. Sketch the room from above. Draw every wall, door, window, and opening. Label walls A, B, C clockwise.
2. Measure each wall corner-to-corner at 36" height (base cabinet top) and again at 84" height (wall cabinet top). Record both; plan against the smaller figure.
3. Measure to fixed features. From each corner to the near edge of every window, door casing, and opening — then the feature's width — then to the next corner. The segments must add up to the full wall length; re-measure if they don't.
4. Measure heights. Floor to ceiling in at least three spots, floor to window sill, and window top to ceiling.
5. Mark utilities. Center of the sink drain and water lines, gas stub, range hood duct, and every outlet and switch, measured from the nearest corner.
6. Note obstructions. Radiators, soffits, bulkheads, and anything that limits cabinet depth or height.

How Do You Plan Cabinet Sizes From Your Measurements?

Work in 3" increments and sum every cabinet width against the wall measurement before you order. Example for a 120" wall: a 36" sink base (such as the CNC Country Oak SB36, $269.80) + 30" base (JSI Amesbury B30, $328.80) + 30" drawer base + 21" base = 117", leaving 3" for a filler strip. If the total exceeds the wall length, the layout fails — no amount of on-site trimming fixes an oversized run.

How Do You Handle Corners When Measuring for Cabinets?

Corners are where most measuring mistakes happen. Three rules:

• Reserve space for the corner solution first. A lazy-susan corner base needs 36" along one wall; a blind-corner base needs its listed width plus a 3-6" pull. Deduct that before planning the rest of the run.
• Keep 24" of clearance on the adjoining wall so doors and drawers on the two runs don't collide.
• Never fill a corner with two standard cabinets butted together — you create a dead zone and door conflicts. Use a corner cabinet, or close the corner with a filler panel deliberately.

Common Questions About Measuring for Kitchen Cabinets

What is the standard height and depth of kitchen cabinets?

Base cabinets are 34.5" tall (36" with countertop) and 24" deep. Wall cabinets are 12" deep and commonly 30", 36", or 42" tall. Tall pantry cabinets run 84", 90", or 96" high.

How much space should be between countertop and wall cabinets?

18 inches is standard. That places the bottom of wall cabinets 54" above the floor — measure and mark this line on every wall that gets uppers.

Do I measure with appliances in place or removed?

Measure the walls as if empty, then record each appliance's cutout width separately: ranges typically need a 30" opening, dishwashers 24", and refrigerators 33-36" plus ventilation clearance per the spec sheet.

What if my walls aren't square or my floor isn't level?

That's normal. Use the smallest wall measurement for planning, and let installers shim cabinets level from the floor's high point. Fillers absorb wall irregularity at the ends of runs.

How accurate do kitchen measurements need to be?

Within 1/8". Cabinets are built to exact sizes, and a run that is even 1/2" too long will not fit. Measure everything twice, and have a second person re-check the totals.

Can someone check my measurements before I order?

Yes. Closeout Kitchens reviews customer measurements and layouts free before ordering — bring your sketch with wall lengths, utility locations, and appliance sizes to the Howell, NJ showroom or send it through the site.

Sources

1. Kitchen cabinet dimension standards: JSI Cabinetry, CNC Cabinetry, and Fabuwood 2026 specification catalogs
2. Closeout Kitchens design-review measurement checklist, July 2026

Published by Closeout Kitchens, Howell, NJ — wholesale kitchen cabinet dealer offering free measurement review and kitchen layout help. Updated July 2026.