Kitchen & Bathroom

Cabinet Run Layout Calculator: Modules, Fillers & Openings

Cross-check a cabinet schedule against one measured straight wall run before ordering. Enter the wall length, subtract appliance/opening space, reserve the fillers or finished panels you actually plan to use, then enter up to six cabinet-width groups with quantities. The calculator totals the scheduled boxes, shows any remaining gap or overage, and audits cabinet widths against a module increment that you control. The default 3 in increment is only an example for cabinet lines that publish 3 in steps, not a universal cabinet standard.

Maintained by Home Measure Lab Editorial TeamUpdated September 3, 2026Method & corrections

Project measurements

Change the defaults to match your project and the product you plan to buy.

Measured wall run

Appliance / opening / fixed run

Left filler / finished panel

Right filler / finished panel

Cabinet width increment to audit

Cabinet width group 1

Quantity at width 1

cabinets

Cabinet width group 2

Quantity at width 2

cabinets

Cabinet width group 3

Quantity at width 3

cabinets

Cabinet width group 4

Quantity at width 4

cabinets

Cabinet width group 5

Quantity at width 5

cabinets

Cabinet width group 6 (optional)

Quantity at width 6

cabinets

Project result

Cabinet run schedule & closure check

Compare the measured run with fixed space, planned fillers and the grouped cabinet schedule, then review remaining gap/overage and module-increment alignment.

Planning estimate only. Verify product coverage, package size, supplier specifications and project requirements before purchasing.

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Budget scenario

Add your current local costs

Use a current supplier subtotal or reuse a priced calculator result, then add optional delivery, tax and contingency. Home Measure Lab does not fetch or guess live prices.

Currency

Supplier / material subtotal

local

Delivery / project fees

optional

Tax

Contingency

This calculator does not currently expose a priced result. Enter a current supplier subtotal manually.

Material subtotal$0.00

Delivery / fees$0.00

Tax$0.00

Contingency$0.00

Planning total$0.00

Enter a current supplier subtotal or reuse a priced calculator result.

Budget values are local planning inputs, not live quotes. Verify tax treatment, delivery, labor and supplier pricing before purchasing.

Use the result

From measurement to purchase

Measure the project area carefully.
Replace editable defaults with product-label or supplier values.
Review the waste or extra allowance.
Use the rounded purchase quantity for whole packages.

Assumptions & notes

Use one straight run between fixed boundaries. Resolve corners, blind-corner pull distances, tall units and appliance-specific clearances before treating the remaining wall length as one cabinet run.
The fixed-run input can represent appliances, doorways or other reserved widths that interrupt cabinet boxes. Keep fillers and finished/end panels separate so the closure arithmetic remains auditable.
The module-increment audit is a comparison against the number you enter. Some U.S. cabinet lines publish 3 in width steps, while other manufacturers, custom cabinets and metric systems use different size schedules.
A zero arithmetic gap does not prove installation fit. Verify wall out-of-square conditions, door/drawer swing, hardware, scribes, finished panels, appliance specifications and the selected manufacturer cabinet schedule before ordering.

Choose the right tool

When to use this calculator

You already know the cabinet box widths and need to audit one straight measured run against fixed appliance/opening space and planned fillers or end panels.

Use a different calculator when

Use Cabinet Linear Feet for preliminary scope. This tool does not choose cabinet combinations, corner solutions, clearances or installation details.

Cabinet Linear Feet Calculator →Countertop Calculator →Cabinet Front Area Calculator →

Methodology

Cabinet run, module increment & filler closure assumptions

Net cabinet zone

wall run − fixed openings − left/right fillers

Uses only the run reserved for cabinet boxes.

Scheduled cabinet width

Σ(cabinet width × quantity)

Grouped widths let repeated cabinet sizes be entered without pretending an average width is exact.

Run closure

net cabinet zone − scheduled cabinet width

Positive = unscheduled gap; negative = schedule overage; zero = arithmetic closure.

Increment audit

each entered cabinet width ÷ entered increment

Flags width groups that are not whole multiples of the entered module increment.

How to measure this project

Measure the finished wall run at the cabinet/elevation line and record fixed interruptions separately. Confirm appliance openings from the actual appliance or installation specification rather than a generic nominal width. Decide which end fillers, finished panels or scribes are intentionally reserved before entering cabinet widths. Group identical cabinet widths and quantities, and run separate checks for different walls or for base versus wall cabinets when their schedules differ.

Before you buy materials

Use this as a schedule cross-check before requesting or reviewing a cabinet quote. It does not select cabinet models, corner solutions, filler requirements, appliance clearances, door swings or installation tolerances. Match every width to the current manufacturer catalog/specification and verify fillers in the field before final cutting. Cabinet Linear Feet remains the preliminary scope/budget metric; this calculator owns exact run closure from a known cabinet schedule.

Reference

Cabinet-run planning boundary

Item	Modeled here	Keep external
Straight wall run	measured total length	wall condition / plumb / square
Appliances/openings	entered fixed width	manufacturer clearances and hookups
Fillers / finished panels	entered reserved width	final scribe and installation fit
Cabinet boxes	entered width × quantity	model availability and cabinet construction
Width increment	audit against entered increment	manufacturer-specific size schedule
Corner cabinets	not automatically modeled	manufacturer corner geometry / pull distance

Source evidence

Primary references behind key assumptions

These references document specific assumptions used or discussed on this page. The exact product label, technical data sheet, project drawings and applicable requirements take priority.

KraftMaid — Standard Kitchen Cabinet Sizes

Supports: KraftMaid describes wall and base cabinet widths in its line as starting at 6 inches and increasing in 3-inch increments, while exact availability varies by cabinet type.

Boundary: This is evidence for one manufacturer product line, not a universal cabinet-width standard. Always use the current catalog or approved schedule for the selected cabinet system.

KraftMaid — Cabinetry Glossary: Filler Strip

Supports: KraftMaid describes filler strips as trim used to fill gaps between cabinets and a wall or appliance and notes that fillers can be scribed for irregular walls.

Boundary: Filler location and final width remain product-, design- and field-condition specific. The calculator only preserves an entered filler width in the arithmetic.

Questions

Frequently asked questions

Are kitchen cabinets always sold in 3-inch increments?

No. Some U.S. cabinet lines publish widths in 3 in steps, but product lines differ and custom or metric systems may use other schedules. Enter the increment you actually want to audit.

What counts as fixed run?

Use it for widths that interrupt cabinet boxes, such as an appliance opening or doorway. Use the actual project/specification dimensions and keep end fillers in their own fields.

Why enter cabinet widths instead of one average cabinet size?

An exact run closes from the actual scheduled box widths. An average width can estimate quantity but cannot prove that a specific schedule fits the measured wall.

Does a 0-inch gap mean I can order the cabinets?

Not by itself. Arithmetic closure still needs manufacturer model verification, corner logic, appliance clearances, fillers, wall conditions and installer review.

Should I combine base and wall cabinets in one run check?

Only when they truly share the same horizontal schedule. Otherwise run separate checks because windows, hoods, tall units and appliance openings often make upper and lower runs different.

Next step

Keep this project moving

Follow the measurement into the most useful related reference, calculator or project view.

Start with preliminary scopeCabinet Linear Feet CalculatorContinue →Understand the inputMeasure a Cabinet Run: Box Widths, Fillers & OpeningsContinue →Browse this project typeKitchen & Bathroom calculatorsContinue →Combine material plansOpen Project PlannerContinue →

Planning guides

Understand the inputs behind this calculator

All guides →

Kitchen & Bathroom

Measure a Cabinet Run: Box Widths, Fillers & Openings

Measure one straight cabinet run without mixing wall length, appliance openings, end fillers, finished panels and cabinet-box widths.

Read guide →

Kitchen & Bathroom

Cabinet Width Increments: Auditing a 3-Inch Module

Understand cabinet width increments, why a 3-inch module appears in some U.S. cabinet lines and how to check a schedule without assuming every manufacturer uses it.

Read guide →

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