The right size umbrella keeps the whole table shaded, not just the center.
Quick answer: Choose an umbrella about 5 feet larger than the table or seating area you want covered. Use the size chart below to match umbrella size to your table shape and seat count.
An umbrella can be an important addition to any outdoor space. A good one provides shade and coolness while blocking the sun's harmful UV rays for everyone underneath. Picking the right size and mount matters as much as picking the right style.
Umbrella Size Chart by Table Shape & Seat Count
| Umbrella Shape | Size | Best Coverage For |
|---|---|---|
| Round / Octagonal | 13 ft | Table + 8 chairs |
| Round / Octagonal | 11 ft | Table + 6 chairs |
| Round / Octagonal | 10 ft | Table + 4 chairs |
| Round / Octagonal | 6–10 ft | Small table + 2 chairs (intimate setting) |
| Rectangular | 10 x 13 ft | Table + 10 chairs |
| Rectangular | 8 x 10 to 8 x 11 ft | Table + 6 chairs |
| Square | 13 ft | Table + 8 chairs |
| Square | 10–11 ft | Small table + 4 chairs |
| Square | 9–10 ft | Small table + 2 chairs (intimate setting) |
Rule of thumb: whatever the shape, size up to roughly 5 feet larger than the table itself — that overlap accounts for the sun moving across the sky throughout the day.
How to Mount Your Umbrella
First, decide how you'll connect the umbrella to your table. If your picnic table has a hole, make sure its diameter matches the umbrella pole, and make sure the table is heavy enough that the umbrella won't pull it over on windy days — an umbrella base under the table can add stability.
For tables without a hole, a sturdy table clamp works well (again, an umbrella base may help stabilize things). Offset umbrellas with their own stands are another option — just place them near the table in position to provide maximum shade.
Just bought an unfinished table? Here's how to paint or stain a picnic table so it lasts under that new umbrella.
Ready to shop? Browse our full range of patio umbrellas, including large 10–12 ft umbrellas built for bigger tables.
Frequently Asked Questions
What size umbrella should I buy for my picnic table?
Choose an umbrella about five feet larger than the area you want covered. For round or octagonal umbrellas: 13 ft covers a table and eight chairs, 11 ft covers six chairs, and 10 ft covers four chairs. For rectangular umbrellas, 10 x 13 ft covers ten chairs, while 8 x 10 to 8 x 11 ft covers six chairs.
Do I need a base if my picnic table doesn't have an umbrella hole?
Yes. Use a sturdy table clamp to attach the umbrella, or use an offset umbrella with its own stand placed near the table. An umbrella base adds extra stability on windy days either way.
How much bigger should a patio umbrella be than the table?
Aim for an umbrella about five feet larger than the area you're covering, to account for the sun moving across the sky.
