The most common outdoor dining mistake is buying the table that fits the photo rather than the patio. A table that seats eight looks right on screen and leaves 18 in. behind each chair on a 12 ft deck, which means nobody can get up without asking a neighbor to move. This guide gives you the numbers: how many diners a given table length really seats, how round and rectangular shapes use space differently, how much clearance to leave to a wall or a railing, when to choose counter or bar height, what to do about an umbrella, and how to fit a balcony.

How many people does an outdoor dining table seat?

Allow about 24 in. of table edge per diner for comfortable elbow room, and 30 in. if the chairs have arms or you like generous place settings. Count the ends of a rectangle as seats only when the table is at least 36 in. deep; narrower tables put the end diner's knees against the leg. Outdoor dining chairs are usually wider than indoor ones because of arms and weave, so the generous figure is normally the honest one.

Extension tables are rarer outdoors than in, so most people buy for the table they use weekly and add a bistro table or a bench when the crowd grows. A bench along one long side seats three where chairs seat two, and it pushes under the table when not in use.

Round or rectangular?

A round table is the sociable shape: everyone faces everyone, no one is stuck at a corner, and the lack of corners makes it the safer choice on a tight patio where people walk past. It also wastes the least floor space for four to six diners. Past six, a round table gets so wide that the middle is out of reach and conversation across it is a shout; that is where a rectangle or a long oval wins. Rectangles line up with the long edge of a deck, sit naturally under a rectangular pergola, and pair with a bench. A square table for four is the compact answer for a courtyard, and two squares pushed together make a rectangle for eight when guests arrive.

How much clearance do you need around the table?

The number that matters is from the table edge to the nearest obstacle: a wall, a railing, a planter, a pool edge. Leave at least 36 in. so a chair can pull out and a person can sit down; 42 to 48 in. lets someone walk behind a seated diner, which you want on the side that leads to the door or the grill. Add the table's own dimensions to twice that clearance and you have the footprint. A table 72 in. long and 40 in. deep with 42 in. all round needs a space roughly 156 in. long and 124 in. wide, which is 13 ft by just over 10 ft. Measure before you fall for a table.

• On a raised deck, treat the railing as a wall and keep 36 in. minimum so no chair tips against it.
• Next to a pool, keep the full 48 in. on the water side.
• Under a pergola or umbrella, check the post or pole position against where chairs will pull out.

Dining, counter or bar height?

Standard outdoor dining tables are about 28 to 30 in. high and take chairs with a seat height around 17 to 19 in. Counter-height tables run about 34 to 36 in. and take stools with a seat around 24 to 26 in.; bar-height tables are about 40 to 42 in. and take stools with a seat around 28 to 30 in. The 10 to 12 in. gap between seat and tabletop is the comfortable one at every height.

Counter height is the useful compromise outdoors. It is easy to get on and off, it raises the sightline over a deck railing so you can see the view while seated, and it matches the height of most outdoor kitchen counters, so a counter-height dining set reads as one surface with the grill island. Bar height suits a standing-and-leaning crowd and a view you want to see over a wall. Full dining height is the right choice for long meals, for children and for anyone who finds climbing onto a stool a chore. Whatever you choose, match the counter stools or bar stools to the table rather than guessing; a 2 in. mismatch is noticeable every time you sit.

Umbrella holes and shade

Many outdoor dining tables are offered with or without a center umbrella hole, often with a plug so the hole disappears when the umbrella is away. Castelle dining tables and dining sets sold here can be ordered with an umbrella-hole tabletop at no extra charge; the choice is on the product page. If you plan a cantilever umbrella to one side instead, skip the hole and keep the surface whole. Either way, add the umbrella base to your clearance math: a base under the table takes nothing, a cantilever base beside it takes 36 in. or more.

Bistro sets for balconies and small patios

A balcony rarely has room for more than a bistro set: a table 24 to 30 in. across and two chairs. Measure the clear depth from the railing to the wall and subtract the table; if fewer than 30 in. remain on the side you sit, choose armless chairs or a folding pair. A counter-height bistro set on a balcony lifts your eyes over the railing, which turns a view of the balustrade into a view of the street or the water. Weight matters on upper floors: a light aluminum set is easy to carry up, and a heavier one is better in wind, so decide which problem you have.

Lead times and delivery

Built-to-order dining furniture from Castelle, Lloyd Flanders and Telescope Casual ships 6 to 8 weeks after the order is placed; Sunset West 4 to 6 weeks; Moe's Home ships within 10 days. Every product page shows its own shipping note under the price, and that page is the authority for any vendor not listed here. Delivery is free curbside in the continental US; white-glove delivery, in-room placement, packaging removal and assembly are optional paid add-ons. Eligible items can be returned within 30 days of delivery, unused, unassembled and in the original packaging, with a Return Authorization Number obtained first; built-to-order pieces are not returnable, so measure twice.

Frequently Asked Questions

What size outdoor table seats 6?

A rectangle 72 in. long and 40 in. deep seats six comfortably, as does a 54 to 60 in. round. A 60 in. rectangle seats six only if the ends are used and the table is at least 36 in. deep.

How far should an outdoor dining table be from the wall?

At least 36 in. from the table edge for chairs to pull out, and 42 to 48 in. on any side people walk along.

Is a round or rectangular outdoor table better?

Round for up to six diners and for tight patios; rectangular for more than six, for long decks and for pairing with a bench.

Should I get counter height or dining height outdoors?

Counter height sees over railings and matches an outdoor kitchen; dining height is better for long meals and small children. Match the stools to the table either way.

Do I need an umbrella hole?

Only for a center-pole umbrella. A cantilever umbrella needs no hole but needs floor space for its base beside the table.

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