how to calculate square feet of kitchen cabinets
May 17, 2025
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To calculate the square footage of kitchen cabinets, follow these steps to measure the total visible surface area (for painting, refinishing, or material estimates):
Step 1: Measure Each Cabinet
For every cabinet (base, wall, pantry), note:
Height (H)
Width (W)
Depth (D)
Step 2: Calculate Surface Area Per Cabinet
Use this formula for visible surfaces (excluding the back, which is against the wall):
Surface Area (SA) = (H × W) + 2 × (H × D) + (W × D)
(Front + 2 Sides + Top)
Example:
A base cabinet with:
H = 34.5", W = 36", D = 24"
SA = (34.5 × 36) + 2 × (34.5 × 24) + (36 × 24)
= 1,242 + 1,656 + 864 = 3,762 sq inches
Convert to sq ft: 3,762 ÷ 144 = ~26.13 sq ft
Step 3: Adjust for Shared Walls/Adjacent Cabinets
Subtract overlapping areas where cabinets are side-by-side or against walls.
Example: If two cabinets share a side, subtract 34.5" × 24" = 5.75 sq ft from the total.
Step 4: Total All Cabinet Surface Areas
Add the surface areas of all cabinets:
| Cabinet Type | Dimensions (H×W×D) | Surface Area (sq ft) |
|---|---|---|
| Base Cabinet | 34.5"×36"×24" | 26.13 |
| Wall Cabinet | 30"×30"×12" | 14.25 |
| Pantry | 84"×24"×24" | 61.5 |
| Total | 101.88 sq ft |
Key Notes
Doors: Include door surfaces separately (e.g., two doors on a 36" cabinet = 2 × 34.5"×18" = 8.625 sq ft).
Open Shelving: Measure shelves if refinishing.
Purpose: Use this method for estimating paint, veneer, or laminate.
Quick Estimate
Linear Feet × 1.5 ≈ Total Sq Ft
Example: 20 linear feet × 1.5 = 30 sq ft.
By calculating square footage, you'll ensure accurate material estimates and avoid overbuying! 🎨📏