Whole-project calculator
Outdoor Kitchen Material Calculator
Plan the support pad, non-combustible structure, countertop, appliance openings, and utility allowances for an outdoor kitchen island.
2D plan
Outdoor kitchen assembly plan
Schematic outdoor kitchen view of a 12 ft x 3 ft island with mini fridge, sink, grill openings over existing slab.
3D assembly
Interactive 3D
Rotate the island, switch layers, and inspect openings and utility zones. Appliance forms remain schematic.
Material theme
Classic stucco grill island
Stucco-clad grill island with the mainstream steel-stud outdoor kitchen palette.
Material tier comparison
Price this same island with each countertop material, using your current inputs.
Totals marked * are priced-subtotal-only; some lines in that plan have no live price yet.
This comparison uses our reference prices, so your own prices are not applied.
These totals include the estimated labor for each option.
Plan details & review
More project facts 4
Planning assumptions
6Material quantities and planning BOM for Outdoor Kitchen Material Calculator based on selected inputs.
Planning assumptions · 6
- This calculator estimates a single straight outdoor kitchen island only. L-shapes, bars, side burners, and permit-ready structural details stay outside scope.
- Countertop finish quantities are planning coverage allowances over a support path rather than fabricator shop drawings, slab remnant optimization, or final appliance cut sheets.
- Appliance openings, landing zones, and utility anchors stay schematic planning geometry rather than manufacturer-certified clearance or rough-in documents.
- This planning BOM keeps the support pad, non-combustible structure, countertop support, facade finish, and appliance / utility allowances separate, but it does not replace drainage, permit, or trade review.
- Outdoor sink supply lines should stay below the local frost line where required, with accessible shutoff and winterization planning kept outside the cabinet body.
- Natural-gas grill vent placement is shown as a high-vent planning placeholder until the final grill manufacturer and jacket instructions are selected.
Not included / Trade review
10Outdoor kitchen layout needs review
-
Open decisions / checks
8- Appliance purchases and installation are not priced in this BOM; keep grill, sink, refrigeration, jackets, and final cut sheets in contractor or retailer review.
- Gas, electrical, and plumbing permit paths and hookups need licensed trade confirmation before this outdoor-kitchen plan is treated as procurement-ready.
- No state or pricing region selected, so Outdoor Kitchen uses calculator default pricing and calculator default frost basis; confirm local frost depth, pricing, winterization, and utility trench routing before handoff.
- Gas or charcoal grill installations require adequate ventilation clearance, non-combustible surrounds, and a jacket fit that matches the final grill manufacturer instructions. Verify local fire-code setback, hood venting, gas-line routing, and clearance-to-combustibles against manufacturer instructions and local codes before export or contractor handoff.
- Countertop overhang triggered a heavy-duty bracket allowance. Verify fabricator support rules and appliance clearances before ordering steel hardware.
- Mini-fridge scope is modeled as a cutout plus electrical planning allowance only. Review the final dedicated circuit, ventilation clearance, and manufacturer opening dimensions before purchase.
- Sink scope includes a small winterization allowance, but freeze protection, below-frost-line routing, drain slope, and shutoff placement still need site-specific review.
- No confirmed retail price is available for Matching galvanized steel track yet, so the priced subtotal does not include that structural line. Keep it in a retailer / contractor quote before ordering.
-
Estimate boundaries
2- Appliance blocks in the preview are schematic placeholders only.
- Priced subtotal excludes installed budget drivers: appliances, labor, permits, utility trenching / hookups, grading, fabrication templates, contractor overhead / profit, tax / delivery, and contingency.
How pricing works
Plan the shell first, coordinate the utility scope second
The support pad, structure, and finish skin are easier to plan than appliance cut sheets, circuits, gas, and plumbing connections.
- 6 in above comfortable fit
- Source: Retailer price, BuildListCalc reference price, Quoted separately
- Region: Calculator default pricing
- Price as of: 06/01/2026 – 08/09/2026
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Material list
Your build list
Each line shows a purchase quantity, a coverage amount, or a planning allowance - the line says which. Check pack sizes and your site conditions before you order.
| Material | Assembly | Unit | Qty | Unit price | Total | Source |
|---|---|---|---|---|---|---|
|
Matching galvanized steel track
3-5/8 in 18 ga | Stock 10 ft | Galvanized Steel
|
structure and enclosure | piece |
7
|
—Not editable: no unit price yet | Price varies |
No store listing yet
Quote-only BuildListCalc reference price No store listing yet |
Quantity basis The visible row quantity is a purchase or ordering quantity.
|
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Louvered vent panels
Note: Natural-gas paths bias vents high; propane paths bias vents low until manufacturer instructions override the calculator.Outdoor island vent | Ventilation
|
utilities and safety | panel |
2
|
—Not editable: quoted separately | Price varies |
No store listing yet
Review / excluded Quoted separately 08/09/2026 Home Depot Review-only utility / MEP planning row; excluded from materials subtotal. |
Quantity basis The visible row quantity is a purchase or ordering quantity.
|
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Insulated grill jacket
Manufacturer-matched grill jacket allowance | Appliance Safety
|
utilities and safety | jacket |
1
|
—Not editable: quoted separately | Price varies |
No store listing yet
Review / excluded Quoted separately 08/09/2026 Home Depot Review-only utility / MEP planning row; excluded from materials subtotal. |
Quantity basis The visible row quantity is an installed or coverage basis, not a package count. Convert it to supplier pack sizes.
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Gas-thread PTFE tape
Roll | Gas Accessory
|
utilities and safety | roll |
1
|
—Not editable: quoted separately | Price varies |
No store listing yet
Review / excluded Quoted separately 06/01/2026 — price may have changed - verify before ordering Home Depot Review-only utility / MEP planning row; excluded from materials subtotal. |
Quantity basis The visible row quantity is a purchase or ordering quantity.
|
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PEX tubing coil
25 ft coil | Plumbing
|
utilities and safety | coil |
1
|
—Not editable: quoted separately | Price varies |
No store listing yet
Review / excluded Quoted separately 08/09/2026 Home Depot Review-only utility / MEP planning row; excluded from materials subtotal. |
Quantity basis The visible row quantity is an installed or coverage basis, not a package count. Convert it to supplier pack sizes.
|
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|
UV-resistant sleeve
Protective sleeve | Plumbing
|
utilities and safety | roll |
1
|
—Not editable: quoted separately | Price varies |
No store listing yet
Review / excluded Quoted separately 06/05/2026 — price may have changed - verify before ordering Home Depot Review-only utility / MEP planning row; excluded from materials subtotal. |
Quantity basis The visible row quantity is a purchase or ordering quantity.
|
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Winterization shutoff valve
Valve set | Plumbing
|
utilities and safety | valve |
1
|
—Not editable: quoted separately | Price varies |
No store listing yet
Review / excluded Quoted separately 08/09/2026 Home Depot Review-only utility / MEP planning row; excluded from materials subtotal. |
Quantity basis The visible row quantity is an installed or coverage basis, not a package count. Convert it to supplier pack sizes.
|
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|
PVC P-trap assembly
1-1/2 in trap | Plumbing
|
utilities and safety | trap |
1
|
—Not editable: quoted separately | Price varies |
No store listing yet
Review / excluded Quoted separately 08/09/2026 Home Depot Review-only utility / MEP planning row; excluded from materials subtotal. |
Quantity basis The visible row quantity is an installed or coverage basis, not a package count. Convert it to supplier pack sizes.
|
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|
WR-GFCI receptacle
20A weather-resistant GFCI | ElectricalNEC 406.9(B)(1) WR GFCI receptacle
|
utilities and safety | receptacle |
2
|
—Not editable: quoted separately | Price varies |
No store listing yet
Review / excluded Quoted separately 08/09/2026 Home Depot Review-only utility / MEP planning row; excluded from materials subtotal. |
Quantity basis The visible row quantity is an installed or coverage basis, not a package count. Convert it to supplier pack sizes.
|
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In-use weatherproof cover
Extra-duty cover | ElectricalNEC 406.9(B)(1) extra-duty in-use cover
|
utilities and safety | cover |
2
|
—Not editable: quoted separately | Price varies |
No store listing yet
Review / excluded Quoted separately 06/01/2026 — price may have changed - verify before ordering Home Depot Review-only utility / MEP planning row; excluded from materials subtotal. |
Quantity basis The visible row quantity is an installed or coverage basis, not a package count. Convert it to supplier pack sizes.
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Sill gasket
50 ft roll | Moisture Control
|
foundation and support pad | roll |
1
covers 31.5 linear ft
|
$7.84Not editable: priced as a package | $7.84 |
Shopping-ready
Retailer price 06/01/2026 — price may have changed - verify before ordering Home Depot |
Quantity basis The visible row quantity is a purchase or ordering quantity.
|
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|
3-5/8 in 18 ga galvanized steel studs
3-5/8 in 18 ga | Stock 10 ft | Galvanized Steel
|
structure and enclosure | stud |
31
|
$8.00 |
$248.00 | |
Quantity basis The visible row quantity is an installed or coverage basis, not a package count. Convert it to supplier pack sizes.
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Self-drilling framing screw box
#10 x 5/8 in self-drilling screws | Fastener
|
structure and enclosure | box |
3
covers 494 fastener
|
$5.98Not editable: priced as a package | $17.94 |
Shopping-ready
Retailer price 06/05/2026 — price may have changed - verify before ordering Home Depot |
Quantity basis The visible row quantity is a purchase or ordering quantity.
|
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|
1/2 in cement board panels
3 ft x 5 ft panel | Cement Backer
|
structure and enclosure | sheet |
6
|
$15.41 |
$92.46 |
Shopping-ready
Retailer price 06/01/2026 — price may have changed - verify before ordering Home Depot |
Quantity basis The visible row quantity is a purchase or ordering quantity.
|
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|
Alkali-resistant mesh tape
150 ft roll | Cement Board Accessory
|
structure and enclosure | roll |
1
|
$8.94 |
$8.94 |
Shopping-ready
Retailer price 06/01/2026 — price may have changed - verify before ordering Home Depot |
Quantity basis The visible row quantity is a purchase or ordering quantity.
|
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|
Cement-board screw box
Exterior backer-board screws | Fastener
|
structure and enclosure | box |
1
|
$34.98 |
$34.98 | |
Quantity basis The visible row quantity is a purchase or ordering quantity.
|
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|
Granite / quartzite countertop finish
Fabricator coverage allowance | Countertop Finish
|
countertop and support | sq ft |
44
|
$44.00 |
$1,940.40 |
Estimate-only
Retailer price 06/05/2026 — price may have changed - verify before ordering Home Depot |
Quantity basis The visible row quantity is an installed or coverage basis, not a package count. Convert it to supplier pack sizes.
|
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|
Heavy-duty countertop brackets
Powder-coated steel bracket | Hardware
|
countertop and support | bracket |
3
|
$54.86 |
$164.58 |
Shopping-ready
Retailer price 06/05/2026 — price may have changed - verify before ordering Home Depot |
Quantity basis The visible row quantity is an installed or coverage basis, not a package count. Convert it to supplier pack sizes.
|
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|
Stucco base coat
Coverage-based finish | Stucco
|
facade finish | sq ft |
86
|
$21.97 |
$1,879.09 |
Shopping-ready
Retailer price 06/05/2026 — price may have changed - verify before ordering Home Depot |
Quantity basis The visible row quantity is an installed or coverage basis, not a package count. Convert it to supplier pack sizes.
|
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|
Stucco finish coat
Coverage-based finish | Stucco
|
facade finish | sq ft |
86
|
$20.97 |
$1,793.56 |
Shopping-ready
Retailer price 06/05/2026 — price may have changed - verify before ordering Home Depot |
Quantity basis The visible row quantity is an installed or coverage basis, not a package count. Convert it to supplier pack sizes.
|
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Priced subtotal only$6,187.79
Project material guide
2026 U.S. Outdoor Kitchen Planning Guide
Switch between tabs to compare nominal sizes, actual sizes, common uses, and planning rules for this project.
Outdoor Kitchen Support-Pad Paths
This calculator keeps the support pad limited to the island footprint instead of silently rolling the surrounding entertaining patio into the same BOM.
| Path | Typical layers | Best use | Planning note |
|---|---|---|---|
| Existing slab | Existing concrete + sill isolation / moisture break | Existing hardscape already in place | The calculator does not re-price the old slab, but it still keeps bottom isolation visible for steel framing. |
| New concrete slab | Base gravel + 10 mil vapor retarder + 4000 PSI slab + wire mesh | Fresh support pad under a new island | This is a reinforced planning slab path, not a frost-protected structural slab or thickened-edge design. |
| Paver pad | Base gravel + bedding sand + pavers + edging + polymeric sand | Decorative island footprint over hardscape-compatible soil | Freeze-thaw detailing, restraint, compaction, and heavy-island settlement risk still need field review. |
Non-Combustible Cabinet Structure Paths
Outdoor kitchens that hold grills and utility cutouts should default toward non-combustible framing rather than pretending a generic interior cabinet path is interchangeable.
| Path | Typical members | Common use | Planning rule |
|---|---|---|---|
| Galvanized steel studs | 3-5/8 in or 6 in studs + matching track + cement board skin | Mainstream island framing with repeatable cutout framing | Bottom track isolation, corrosion-compatible fasteners, and cement-board skin remain explicit BOM lines. |
| CMU block | 8x8x16 CMU + mortar + grout + #4 rebar | Heavier masonry island bases or veneer-ready bodies | Corners, cutout jambs, and long runs keep reinforced cells visible instead of burying them in a block count. |
Countertop and Overhang Boundaries
Countertop finishes in this calculator are coverage allowances over a substrate path. They are not fabricator shop drawings or exact appliance cut sheets.
| Finish | Typical substrate | When brackets show up | Planning note |
|---|---|---|---|
| Granite / quartzite | Direct over non-combustible support rails / ledgers | Large front overhangs over about 10 in | Stone is modeled by finished sq ft, not by slab remnant optimization, and support assumes a mainstream 3 cm top. |
| Porcelain slab | 1/2 in cement board continuous substrate | Front overhangs over about 6 in | Porcelain slab remains a coverage allowance; edge build-up and fabricator rail systems are outside scope. |
| Concrete top | 3/4 in plywood form deck + reinforcing mesh | Rarely bracketed unless you force a large cantilever | Concrete-top quantities are directional mix allowances with a simple reinforcing-mesh placeholder, not a shop drawing. |
| Tile top | 1/2 in cement board + waterproof membrane + thinset + grout | Bracketed only on larger seating overhangs | Tile countertop BOMs keep the board, waterproofing, mortar, and grout path explicit. |
Exterior Facade Finish Paths
Facade finishes cover the exposed vertical enclosure faces only. Countertop finish area stays separate.
| Finish | Primary materials | Common look | Planning note |
|---|---|---|---|
| Stucco | Base coat + finish coat | Simple plastered island body | Control joints, lath, and local weather exposure still need field review. |
| Porcelain tile | Exterior porcelain tile + thinset + grout | Modern tile-clad base | Tile facade does not imply the same material is used on the countertop. |
| Stone veneer | Manufactured or natural veneer + setting bed | Masonry-look island face | The calculator keeps veneer coverage visible, but substrate and moisture sequencing still belong to site-specific review. |
Utility and Safety Allowances
- Grill ventilation: Grill islands automatically add vent-panel allowances and gas-thread seal tape; propane paths stay low-vent biased and natural-gas paths stay high-vent biased in this calculator.
- Grill jacket: Grill openings also carry an insulated-jacket safety allowance so the BOM does not bury that manufacturer-driven accessory.
- Covered roof + grill: A roof over a grill triggers a hood-and-duct allowance only. Final vent sizing, routing, and roughly 36 in to 42 in of vertical combustible-clearance review still need code review.
- Sink rough-in: Sink BOMs cover small-island rough-in allowances such as PEX, UV sleeve, winterization valve, and a trap, not a full supply-and-waste routing plan or below-frost-line burial layout.
- Electrical: Weather-resistant GFCI devices and in-use covers are modeled as planning allowances rather than a full branch-circuit design.
- Against-house path: House-adjacent islands trigger flashing and sealant allowances, but they do not replace wall fire-separation, weather barrier, or cladding review.
- Permits: New gas, plumbing, and electrical utility runs usually require permits and licensed trade hookups even when the calculator only shows allowance-level BOM lines.
This calculator keeps the support pad, non-combustible structure, countertop support, facade finish, and appliance / utility allowances separate so the BOM reflects how a typical outdoor kitchen island is actually assembled. It remains a planning BOM rather than a substitute for drainage layout, utility permits, or manufacturer clearance review.
Review required
8 open review items
31 steel studs, 44 sq ft of granite / quartzite countertop, and 2 vent panels for a 12 ft x 3 ft outdoor kitchen island
Priced subtotal only