Outdoor Kitchens
What Size Outdoor Kitchen for Entertaining? Grill and Island
Quick answer
Entertaining twelve to twenty guests in rounds needs 480 to 800 square inches of primary grate, which is a 32 to 40 inch built-in grill head. Allow about 12 to 18 inches of counter each side of the grill as landing space, and follow the maker's cutout and clearance specifications exactly.
An outdoor kitchen is a sizing problem in two directions: how much cooking surface the crowd needs, and how much island the components need. The first is the same arithmetic as any grill page, 80 square inches of primary grate per person or about 40 per guest when you cook in rounds. The second is a layout question that most people underestimate.
Start with the cooking area in the grill size calculator, then work through the layout in the outdoor kitchen planning guide.
On this page
What size grill do I need in an outdoor kitchen?
| You entertain | Area needed, in rounds | Grill head width | Everything at once |
|---|---|---|---|
| 6 people | 240 sq in | 32 in | 480 sq in |
| 10 people | 400 sq in | 32 in | 800 sq in |
| 12 people | 480 sq in | 32 to 36 in | 960 sq in |
| 20 people | 800 sq in | 40 in, or 32 in plus a griddle | 1,600 sq in |
Based on 80 square inches of primary grate per person, halved for cooking in rounds. Primary cooking area is the grate directly over the burners. Warming racks add to a total area figure but run cooler and do not count toward the numbers here.
How long does an outdoor kitchen island need to be?
Component widths below are catalog specifications. Landing space is planning guidance, not a code figure: allow about 12 to 18 inches of counter each side of the grill for platters and tools.
| Component | Catalog example | Listed width | Island allowance with landing space |
|---|---|---|---|
| Built-in grill head, 32 in | Napoleon Built-In 500 Series 32 in. Grill Head (Natural Gas) | 32 in | 56 to 68 in |
| Built-in grill head, 32.5 in | Blaze Prelude LBM 32 in. Built-In Grill (Propane) | 32.5 in | 57 to 69 in |
| Built-in grill head, 40 in | Lion L90000 40 in. Built-In Grill with Rear Infrared Burner (Propane) | 40 in | 64 to 76 in |
| Single side burner | Blaze 12,000 BTU Drop-In Single Side Burner (Propane) | 12.5 in | 18 to 24 in |
| Narrow outdoor fridge | Whynter BOR-327FS 3.2 cu. ft. Indoor/Outdoor Beverage Refrigerator | 14.6 in | 20 to 26 in |
| Standard 24 in outdoor fridge | Whynter BOR-53024-SSW 24 in. Built-in Outdoor Beverage Fridge | 23.5 in | 29 to 35 in |
Widths are the manufacturers' published figures. Always build to the maker's cutout specification rather than to the product width, since built-in heads need specific opening dimensions and clearances to combustibles.
Which built-in grills fit an outdoor kitchen?
| Grill head | Width | Burners | Primary cooking area | Price |
|---|---|---|---|---|
| Napoleon Built-In 500 Series 32 in. Grill Head (Natural Gas) | 32 in | 4 | 531 sq in | $1,679.00 |
| Blaze Prelude LBM 32 in. Built-In Grill (Propane) | 32.5 in | 4 | Not published | $1,749.00 |
| Bull Outlaw Drop-In Grill Head (Propane) | Not published | 4 | 575 sq in | $1,749.00 |
| Blaze Premium LTE+ 32 in. Built-In Grill (Propane) | 32.5 in | 4 | Not published | $2,499.00 |
| Napoleon Built-In 700 Series 32 in. Grill with Infrared Rear Burner (Propane) | 32 in | 4 | Not published | $2,219.00 |
| Lion L90000 40 in. Built-In Grill with Rear Infrared Burner (Propane) | 40 in | Not published | 802 sq in | $2,599.00 |
Cooking areas are the manufacturers' published figures from our catalog. Where a maker does not publish a primary area, the table says so rather than estimating one.
How do I plan clearances for a built-in grill?
- Start with the maker's cutout drawing. Every built-in head has a published cutout width, depth and height plus required clearances to combustibles. That drawing, not a generic dimension, is what the island is built to.
- Keep the island non-combustible. Built-in heads are designed to sit in masonry or metal-framed islands with the specified insulation, not in wood cabinetry the manual does not allow.
- Plan the propane or gas supply. A propane head needs a ventilated tank bay with vents at the levels the maker specifies. A natural gas head needs a line run and connected by a qualified installer.
- Leave landing space each side. About 12 to 18 inches of counter on each side of the grill gives you somewhere for platters, tools and a tray of raw food that is not the lid.
- Check what is overhead. Follow the manual on overhead clearance and vent hood requirements. A grill under a solid roof or pergola needs the clearance and ventilation the maker states, and many are not approved for it at all.
- Get the cost estimated properly. Island construction, gas lines and electrical are contractor work. For estimating that side of the project, houseprojectcalc.com covers contractor costs.
Do I need a side burner and a fridge?
A side burner earns its place faster than anything else in an island, because it keeps sauces, beans and onions outside and keeps the grill lid down. The Blaze 12,000 BTU Drop-In Single Side Burner (Propane) is 12.5 inches wide and drops in beside a 32 inch head, and the Blaze LTE+ Built-In Double Side Burner (Propane) doubles it for anyone who cooks whole meals outdoors.
A fridge is about how far the island is from the kitchen. Twenty feet and a set of steps away, it saves a dozen trips per cookout; right outside the back door it saves very few. Bay width decides the model: Whynter BOR-327FS 3.2 cu. ft. Indoor/Outdoor Beverage Refrigerator at 14.6 inches suits a narrow bay, Whynter BOR-53024-SSW 24 in. Built-in Outdoor Beverage Fridge at 23.5 inches fits a standard 24 inch opening. If a full masonry build is more than you want, the Domi 5-Piece Modular Aluminum Outdoor Kitchen with Sink is a modular aluminium kitchen with a sink and the KoolMore Reserve Outdoor Kitchen Island with 6-Burner Grill, Sink and Refrigerator arrives as one complete unit. Ranked options are in the best outdoor kitchen islands.
Two things belong in other people's hands: smokers and pellet grills are covered at smokercalc.com, and outdoor pizza ovens at pizzaovencalc.com. Neither is a pick here.
Which components should I buy for an entertaining kitchen?
A grill head sized to the crowd, a side burner, and a fridge if the kitchen is a walk away. Comparisons are in built-in vs freestanding grills.
Blaze Prelude LBM 32 in. Built-In Grill (Propane)
$1,749.00Four burners and 56,000 BTU in a 32.5 inch cutout at the lowest built-in price here, which suits an island sized for ten to twelve guests cooked in rounds.
Best for: first outdoor kitchen islands
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Lion L90000 40 in. Built-In Grill with Rear Infrared Burner (Propane)
$2,599.00802 square inches of primary area in a 40 inch head with a rear infrared burner for rotisserie, the largest cooking area in the catalog.
Best for: islands built for parties of twenty
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Napoleon Built-In 500 Series 32 in. Grill Head (Natural Gas)
$1,679.00531 square inches of primary area and 48,000 BTU built from the factory for a natural gas line, so there is no tank bay to design or tanks to swap.
Best for: homes with gas already run to the patio
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Blaze 12,000 BTU Drop-In Single Side Burner (Propane)
$479.00A 12,000 BTU drop-in burner 12.5 inches wide, which keeps sauces and sides outside and leaves the whole grate for mains.
Best for: compact islands that still want a second burner
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Whynter BOR-53024-SSW 24 in. Built-in Outdoor Beverage Fridge
$1,112.99A 24 inch built-in outdoor beverage fridge at 23.5 inches wide, sized for the standard under-counter opening most island plans include.
Best for: islands more than a few steps from the kitchen
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Domi 5-Piece Modular Aluminum Outdoor Kitchen with Sink
$1,199.99A modular aluminium outdoor kitchen with a sink that builds around an existing grill, which gets you counter and storage without a contractor and a slab.
Best for: renters and anyone avoiding construction
Check price on AmazonHow we chose
We did not test these products in person. Picks are researched from manufacturer specifications and owner manuals, engine and safety certifications where they apply, warranty terms, public recall records, and the recurring themes in verified owner reviews. We favor established brands with large review counts and parts support, match each pick to a real yard size or task, and place it in the tier where its price and capability actually belong.
Frequently asked questions
What size grill should go in an outdoor kitchen?
Size it to how you entertain: about 480 square inches of primary grate for twelve guests cooked in rounds, and about 800 for twenty. That maps to a 32 inch built-in head for most households and a 40 inch head, or a 32 inch head plus a griddle, for regular large parties. Build the island to the maker's cutout drawing, not to the head's outside width.
How much counter space does an outdoor kitchen need?
As planning guidance, allow about 12 to 18 inches of counter on each side of the grill as landing space for platters, tools and raw food, plus the width of any side burner or fridge bay. A 32 inch head with landing space on both sides works out at roughly 56 to 68 inches of island before anything else is added.
Can I put a built-in grill under a covered patio?
Only if the manual allows it, and then only with the clearances and ventilation the maker specifies. Gas grills produce carbon monoxide and need clear space above and around them, and many are not approved for use under a solid roof at all. Check the overhead clearance requirement and any vent hood specification before you design a roof over the island.
Is a built-in grill better than a cart grill for entertaining?
It is better integrated, not automatically better at cooking. A built-in head gives you counter space either side, a permanent gas supply and a finished look, which is what makes hosting easier. A cart grill costs far less, can be replaced in an afternoon and moves with you. The comparison comes down to how permanent your patio plans are.
Researched, not professional advice. This page is compiled from published specifications, manuals, labels and owner-review consensus, not hands-on testing. Follow the manufacturer's instructions and product label, and consult a qualified professional where safety, chemicals, fuel or structures are involved. As an Amazon Associate we earn from qualifying purchases.