Choosing a patio side table sounds simple until you’re standing between two Adirondack chairs with a measuring tape, wondering whether 15 inches or 17 inches will actually work. This outdoor side table size guide walks through the real footprints, clearances, and use cases behind those two common dimensions, using a 17-inch round and a 15-inch square as reference points. You’ll learn how to measure the gap you have, how table height should relate to chair arm height, what fits a drink versus a dinner plate, and how shape changes the way a small table feels between two seats. It also covers where to place a side table around different seating layouts and how many tables a patio usually needs.
Why an Inch or Two Changes Everything
On paper, a 15-inch square and a 17-inch round sound nearly identical. In practice, they behave very differently. A 17-inch round table has a top surface of about 227 square inches. A 15-inch square comes in at 225 square inches. Almost the same area, but the way that area is distributed matters more than the total.
A round table has no corners, so it slides into tight spots between chair arms without catching. That makes 17 inches of diameter feel generous but forgiving. A square table, on the other hand, uses its corners aggressively. The 15-inch square reaches its full 15 inches across at every edge, and the diagonal corner-to-corner measurement is closer to 21 inches. If your chair arms are only 18 inches apart, that square won’t tuck between them the way a round will.
Height is the other quiet variable. Both Hampton end tables stand 18.5 inches tall, and chair arm heights vary a lot from one style to the next. A table that sits a little below the arm is easy to reach; one that sits well above it gets in the way. Measure the arm height of the chairs you’re pairing it with before you pick a shape.
The 17-Inch Round: When It’s the Right Call
A 17-inch round shape is the workhorse of patio side tables for good reason. It gives you enough surface for a drink, a book, a phone, a small plate of snacks, and maybe a citronella candle without feeling cramped. Because it’s round, it doesn’t visually crowd the space between two chairs, and it forgives slightly uneven placement. If your chairs aren’t perfectly parallel (and they rarely are on a deck), the round shape hides that.
Use a 17-inch round when:
- You have at least 20 inches of clear space between two chair arms.
- You want the table to serve two seats equally rather than one.
- You expect to set down full meals occasionally, not just drinks.
- The area gets foot traffic and you don’t want sharp corners at shin height.
The Hampton Round End Table at 17 inches works well in this classic between-two-chairs setup. It also holds its own as a standalone accent next to a single lounger, where its softer shape reads more like furniture and less like a utility platform. If you’re placing it on a smaller balcony, the round profile is easier to walk past without banging a knee.
The tradeoff is that a round top doesn’t push against a wall or railing as cleanly as a square. You’ll always have a small crescent-shaped gap behind it. If your patio layout needs a table that sits flush against something, this shape works against you.
The 15-Inch Square: Where It Shines
A 15-inch square trades the friendly curves for four straight edges that mate well with railings, walls, sofa arms, and other squared furniture. That makes it the smarter pick in tighter, more architectural spaces. On a narrow balcony, a square pushed against the railing wastes almost no depth, while a round of the same footprint gives up an inch or two of usable surface to that awkward gap.
Square tables also cluster well. Two 15-inch squares pushed together give you a 30-by-15-inch rectangle for a shared coffee-table moment, then split apart again when you need side tables. Rounds can’t do that cleanly. If you entertain in small groups and rearrange furniture often, squares are more flexible.
Consider a 15-inch square when:
- The table will live against a wall, railing, or sofa arm.
- You have less than 20 inches between chair arms and need something narrower.
- Your outdoor style leans modern, and you want lines that match a rectangular deck or a linear pergola.
- You plan to pair two tables to serve a small sofa or bench.
The Hampton Square End Table handles those scenarios comfortably. Just remember the corner math: even though the sides are 15 inches, the diagonal reaches around 21 inches, which affects how the table clears chair arms when you approach from an angle. Measure the actual opening, not just the distance between arm centers.
How to Measure Your Space Before You Buy
Before you commit to either size, take five minutes and a tape measure to your patio. Getting these numbers right is the entire point of an outdoor side table size guide, and the measurements are simple.
The Chair-to-Chair Gap
Place your two chairs where they’ll actually live. Sit in one. Have a friend sit in the other. Adjust until the spacing feels natural for conversation and shared use. Then measure the clear opening between the closest points of the two chair arms. If that number is under 18 inches, you probably want a 15-inch square, since even a 17-inch round leaves too little breathing room. If it’s 20 to 24 inches, the 17-inch round is often ideal. Above 24 inches, either works, and you can choose on style.
Arm Height
Measure from the ground to the top surface of the chair arm and compare it with the table’s height (18.5 inches for both Hampton end tables). Sit in the chair and reach for where the tabletop would be. If you can set a glass down without leaning or lifting your shoulder, the pairing works.
Traffic Clearance
Behind and around the table, aim for 24 to 30 inches of walking clearance if the table sits on a main path. Furniture placement guides from university extension programs and design references generally recommend at least 30 inches for comfortable circulation in outdoor rooms, and you’ll feel the difference immediately if you cut that short. For more on planning outdoor living spaces and material choices, the EPA’s guidance on recycling and recovered materials is worth a read if you’re weighing recycled-content options across the outdoor category.
The Full-Plate Test
Grab a standard 10-inch dinner plate and a 16-ounce glass. Can they both fit on the table with a small margin? A 17-inch round handles this easily. A 15-inch square manages it but with less spare room around the edges. If you’ll eat outside regularly, that margin matters.
Materials, Weight, and How Small Tables Behave Outdoors
Size is only half the story. Compare the actual material, hardware, weight, and care instructions, including storage guidance for your climate. Both Hampton end tables use Marine Grade Polymer with 3/16-inch stainless steel hardware and weigh 15 lb. That weight helps you plan handling; it does not guarantee wind stability or resistance to damage in freezing weather.
When shopping the category, look for:
- Solid, thick tops (usually 3/4 inch to 1 inch) rather than hollow tops that flex under a heavy drink pitcher.
- Stainless steel hardware, not zinc-plated, so nothing streaks rust down the legs after a season.
- Color that goes all the way through the material rather than a painted finish, since scratches disappear instead of showing white underneath.
- A clear structural warranty and a separate fade warranty. Plastic Furniture To Go backs its pieces with a 7-year structural warranty and a 5-year fade warranty, which is a useful benchmark when you’re comparing brands.
Weight matters more with small tables than you’d think, mostly because it decides how often you’ll actually move them. At 15 lb, either Hampton table is a one-person carry: slide it into the shade as the sun moves, lift it aside to sweep or rinse the patio, or pull it over to a second seat when guests arrive. The same light weight means it shouldn’t sit in a wide-open, exposed spot through a storm. Keep it near a wall, railing, or the seating it serves, and bring it inside or under cover when strong wind is forecast. The National Weather Service has a short page on wind safety that covers securing outdoor items.
Where to Place a Side Table Around Your Seating
Size gets the table onto the patio; placement decides whether anyone uses it. The goal is simple: you should be able to set down a drink or a book without leaning forward or twisting. In practice, that means the tabletop should sit within about 6 to 12 inches of the chair’s outer arm. Much farther and the table becomes a destination instead of a convenience.
Two Chairs Side by Side
One table between the pair works when both people can reach it without stretching. If the chair arms are more than about two feet apart, give each chair its own table. Two small tables are more useful than one larger table that sits equally far from both seats.
Chairs in an L or Corner
The inside corner of an L-shaped arrangement is a natural spot for a table, and a square top fits that slot neatly. Keep it within easy reach, about 6 to 12 inches from each chair arm, without crowding the corner of either seat.
A Single Chair or Reading Spot
A lone chair against a wall, railing, or garden border usually has room for a table on one side only. Put it on the side of the person’s dominant hand if you know it. In a narrow spot, a round top avoids the corner that a square would push into the walkway.
Keep the Path on the Other Side
On a small patio, the instinct is to push everything against the walls, which strands the tables too far from the chairs. Keep each table right beside the chair it serves and leave the walking path on the opposite side of the seating instead.
How Many Side Tables Does a Patio Need?
A reliable starting point is one table for every two seats that sit close together. Two chairs side by side share a table between them, a single chair in a corner gets its own, and three chairs in a conversation group usually need two tables so no one stretches across a neighbor.
Add a table when you have two separate seating areas, entertain often, or have chairs facing different directions. Use fewer on a very small balcony, where one shared table may be all the floor allows, or where a wide railing ledge or nearby counter already gives people somewhere to set a drink. A few layouts that work:
- Balcony for two: two chairs and one table between them.
- Small patio lounge: three chairs in a loose semicircle and two tables, one at each end.
- Two zones: a pair of chairs with one table by the yard, and a single chair with its own table by the door.
- Party setup: the everyday tables, plus one or two extras carried in for the evening and stored afterward.
You don’t need to buy every table at once. Start with one, live with the layout for a few weeks, and add a second wherever you keep wishing for a surface. Before you settle on a number, sit in each seat and reach for where a table would go. When every seat has a comfortable reach to a surface, you have enough.
Pairing Tables with Chairs and Loungers
The last piece of this outdoor side table size guide is thinking about the whole grouping. A side table shouldn’t be chosen in isolation. It’s a supporting piece for the chair or sofa next to it.
With an Adirondack chair, the wide, flat arms already give you a little surface, so the side table’s job is to hold what doesn’t fit there. The 17-inch round is the classic pairing because Adirondack chairs already have generous curves, and a round table echoes that language. Two Adirondacks with a round between them read like a matched set.
With straight-lined café chairs or armless dining-style seats, a square table often looks more intentional. The parallel lines reinforce each other. If you’re building a small outdoor bistro corner with two café chairs and a table between them meant for coffee cups and a small plate, the 15-inch square is often a cleaner fit visually.
For counter-height or bar-height setups, remember that a lounge-height side table won’t work next to a counter stool. The Hampton end tables are 18.5 inches tall, while the Counter Height Stool has a 25-inch seat. In those cases you’re looking at a different furniture category entirely, closer to a bar-height accent table, which isn’t the same product as a lounge-height side table.
Frequently Asked Questions
Is a 17-inch table too big between two chairs?
Not usually. A 17-inch round needs about 20 inches of clear space between chair arms to feel comfortable, plus a little extra for the tabletop to overhang the base. If your chairs are already spaced for conversation, that gap is almost always there. Where 17 inches becomes too much is on a narrow balcony where you’re squeezing chairs against railings and every inch of walkway matters.
Can I use one side table between three chairs?
You can, but it works better with a round shape than a square. A 17-inch round in the middle of a curved three-chair arrangement gives each seat roughly equal access. A square table forces one chair to sit at a corner, which reads awkwardly and reduces reachable surface for that seat. If you regularly host three, consider two smaller tables instead of trying to stretch one across the group.
Is there a published weight rating for the end tables?
No. We don’t publish a load rating for the Hampton end tables. They’re sized for everyday side-table use: a drink, a book, a plate, or a small plant. Don’t stand on them or use them as a step.
How many end tables do I need for two chairs?
One, placed between the chairs, is the usual starting point, as long as both people can reach it without stretching. If the chair arms are more than about two feet apart, give each chair its own table.
Do I need to bring side tables indoors for winter?
Follow the care and storage guidance for your climate. Covering a table or tucking it under an eave keeps it cleaner through the off-season, and because each Hampton table weighs 15 lb, moving it into a garage or shed is a quick job. Keep heavy objects off the top for long stretches. Our guide on whether plastic furniture can stay outside in winter goes into more detail.
If you’ve measured your space and you’re ready to see how these dimensions translate into finished furniture, both the round and square options at Plastic Furniture To Go are American-made, sold factory-direct, and shipped free to the contiguous U.S. Browse the Hampton Round End Table or Hampton Square End Table to compare colors, or reach out through the contact page if you’d like a second opinion on which shape fits your layout best.
Related guides: Hampton Round vs. Square End Table: Choosing the Right Fit, How Many Chairs Fit Around Your Outdoor Table?, and Adirondack Chair Set of 2 With Table.
