Patio Furniture Cover Size Guide: How to Measure Before You Buy

A patio furniture cover only works as intended when it matches the furniture and the way you use the space. A cover that is too small may leave corners exposed or put strain on seams. One that is much too large can pool water, catch wind, or hang into a walkway. This patio furniture cover size guide explains how to take useful measurements before comparing sizes.

Start with a simple measurement checklist

Bring a tape measure, a notepad or phone, and a clear view of the furniture. Record the widest outside points rather than an idealized center measurement. Include armrests, table edges, cushions that will stay on, and any hardware that changes the shape. For each item or grouping, write down:

• length from one outer end to the other;
• width or depth at the widest point;
• height from the ground to the highest point; and
• features that affect fit, such as chair backs, umbrella holes, protruding arms, or a fire-pit table.

Measure after arranging the furniture the way it will be covered. If chairs will be pushed under a table or a sectional will be grouped tightly, the dimensions of that arrangement matter more than each piece's catalog size.

Measure length, width, and height at the outermost points

For a rectangular table, length is the longer side and width is the shorter side. For a round table, measure the diameter across the widest point. Height runs from the ground to the top of the table, chair back, or cushion that remains in place. Do not pull the tape measure around curves; measure straight across the outermost edges.

For furniture with uneven sides, take two or three readings and use the largest practical number. A lounge chair with a raised back, for example, needs the measurement at its tallest and widest usable point. A cover listing can only be compared fairly when you use its stated length, width, and height in the same orientation.

Should a patio furniture cover be exact or slightly larger?

Exact furniture dimensions are a starting point, not always the final cover size. A small amount of ease can help you place and remove a cover without forcing it over corners. The right amount depends on the cover's cut, material, closures, and whether it is designed for a single item or a grouped set. Use the seller's size chart and product-specific fit guidance whenever available.

Avoid assuming that larger is always safer. Excess material can sag between chair backs, collect rainwater, and move more in a breeze. If a cover uses straps, drawcords, or buckles, check that there is a sensible place to secure them and that the cover will not drag on the ground.

Leave practical clearance for airflow and everyday use

A cover should not be treated as a sealed weather barrier. A little room for airflow and a shape that sheds rather than holds water can be useful, but the best setup depends on the product and the furniture. Keep covers clear of sharp corners where possible, and do not trap wet cushions beneath a cover for long periods.

Plan for how you will put the cover on and take it off. Measure pathways, railing gaps, and nearby planters if they make access tight. In windy conditions, follow the product instructions for securing or removing the cover; no loose fabric cover is a substitute for storm preparation.

How to measure common patio furniture types

Dining tables and chair sets

First decide whether the cover will protect the table alone or the table with chairs pushed in. For a table-and-chair group, measure the complete footprint at chair-back height and record the highest point. An umbrella should normally be removed or lowered according to its own instructions before covering the set; a raised umbrella changes the required shape substantially.

Outdoor sofas and loveseats

Measure the full outside width, deepest point, and tallest back cushion or frame. Include wide arms and attached side tables. If cushions are stored elsewhere, measure the bare frame as it will be covered rather than adding cushion thickness that will not be present.

Sectionals and modular seating

For an L-shaped sectional, map the arrangement from above and measure both legs of the L, the overall depth, and the tallest point. A single rectangular cover may leave a lot of unused material on an irregular set. Depending on the sizes available, separate covers or a product made for a sectional shape may provide a tidier fit. Do not guess from the number of seats alone.

Chairs, loungers, and odd shapes

Recliners, Adirondack chairs, swing chairs, and loungers often have a wide point that is not obvious from the front. Measure with footrests closed or open according to how the item will be stored. For curved or unusual furniture, take a few photos alongside your measurements so you can compare the product diagram carefully before ordering.

What if a perfect size is unavailable?

Choose a size that can cover the outer dimensions without excessive pooling, then use the product's intended fastening method. If the next size up leaves a large amount of slack, consider covering pieces separately or rearranging a modular set into a shape the available cover supports. Avoid cutting, pinning, or modifying a cover unless the manufacturer specifically allows it; those changes can affect fit and durability.

For made-to-fit outdoor textile projects, the same habit helps: measure the installed space, not just the product you hope will fit. Our custom measuring guide shows how to record opening dimensions and mounting points. For seasonal care, see our cleaning and storage guide.

Save your measurements before comparing options

Keep a short record for every patio piece: arrangement, length, width, height, and notes about cushions or attachments. It makes comparison easier today and saves time when you replace or add outdoor protection later. You can also browse the Snowcity outdoor curtains collection for current patio privacy and shade options, while keeping in mind that curtains and furniture covers serve different jobs.

Save your measurements and watch Snowcity for outdoor protection options.

Patio furniture cover size FAQ

How do I measure a round patio table cover?

Measure the diameter across the widest part of the tabletop and the height to the highest point that will remain under the cover. Include chairs only if you plan to cover the whole set together.

Should a furniture cover touch the ground?

Follow the product's dimensions and instructions. A cover that drags can collect dirt or retain moisture, while one that is too short may leave the lower portion exposed. Compare the listed height with your furniture height and fastening design.

Can one cover protect a sectional?

Sometimes, but the sectional's layout matters. Measure the assembled shape and compare it with the cover diagram; separate covers may be more practical for an irregular or widely spaced arrangement.