A standard bed pillow is usually 20 × 26 inches, a queen is 20 × 30 inches, and a king is 20 × 36 inches. A Euro pillow is typically square at 26 × 26 inches. Use the chart below to compare inches and centimeters, then check the exact measurements of the pillow and its case before buying—size labels are not perfectly uniform across brands.

Pillow Size Chart in Inches and Centimeters

Rectangular pillow dimensions below list the shorter side first and the longer side second. The longer side usually runs across the bed. Centimeters are rounded to the nearest whole number. A Euro pillow is square.

Common pillow dimensions

What Size Pillowcase Do You Need?

Choose a pillowcase designed for your pillow’s dimensions, allowing for its loft and the case’s closure style. Some brands combine Standard and Queen sizes, so check the listed fit rather than the label alone. For a Euro pillow, look for a compatible square sham or cover. Euro shams are often decorative; check the fabric and care instructions if you plan to sleep on one.

What Size Is a Standard Pillow?

A standard pillow is commonly 20 × 26 inches (about 51 × 66 cm). One fits comfortably across a Twin or Twin XL bed, while two create a familiar arrangement on a Full bed. It can also be used on larger beds if you prefer a less crowded look. Match it with a Standard case or check the dimensions of a combined Standard/Queen case before ordering.

What Size Is a King Pillow?

A king pillow is commonly 20 × 36 inches (about 51 × 91 cm), ten inches longer than a standard pillow. Two king pillows usually make a balanced row on a King bed; they may be too wide as a pair on a Queen bed, where the ends can extend beyond the mattress. The extra length can also make one convenient as a backrest for reading.

Standard vs Queen Pillow: Which Size Should You Choose?

A queen pillow is usually 20 × 30 inches (about 51 × 76 cm). It has the same nominal 20-inch short side as a standard pillow, but its long side is four inches longer. Two queen pillows fit neatly across a Queen bed, while two standards leave more open space at the sides. Choose by the space you want on the bed and the way you move at night.

Some products use a combined Standard/Queen label instead of either exact dimension. For example, a 20 × 28-inch pillow sits between the two common sizes above. Read the actual SKU measurements rather than treating the label as a promise of a 20 × 26- or 20 × 30-inch pillow. Puredown's Classic down-and-feather pillows list separate Standard, Queen and King dimensions; the Gusseted version on the same page has different measurements.

How Many Pillows Fit on Twin, Full, Queen and King Beds?

Start with the pillows you actually sleep on. The arrangements below are simple visual starting points, not a rule that every bed needs decorative layers.

Simple layouts by bed size

A Queen mattress is 60 inches wide: two 30-inch Queen pillows align roughly across its width when laid flat. A standard King mattress is 76 inches wide: two 36-inch King pillows leave a little space at the sides. Real pillows have loft and rounded edges, so the finished arrangement will not look like a rigid measurement diagram. On a California King, which is narrower than a standard King, check the visual fit of two King pillows before choosing your styling layers.

Does a Bigger Pillow Provide More Support?

No. Pillow length mainly changes how much horizontal space you have to move or arrange the bed. The height under your head (loft), firmness, fill, pillow construction, how much it compresses, your mattress and your usual sleep position all affect how a pillow feels. A King pillow is not inherently more supportive than a Standard pillow, and a larger label does not guarantee a better fit for your body.

When comparing down and feather pillows, check both the listed dimensions and the product's loft and firmness. If you turn frequently, a longer pillow may give you more room. If you prefer less horizontal coverage or a tidier Twin bed, a Standard may be enough. Choose the length for your available space, then compare loft and firmness for comfort.

What Sizes Are Euro, Body, and Decorative Pillows?

A Euro pillow is typically 26 × 26 inches (about 66 × 66 cm). It usually sits behind sleeping pillows as a square backdrop or upright backrest. Because its cover is normally a sham, check the insert and sham measurements together; some shoppers prefer a slightly fuller insert for a plump decorative look, but follow the cover maker's fit guidance.

Body pillows are long, narrow pillows used for hugging or positioning. One common size is 20 × 54 inches (about 51 × 137 cm), but dimensions vary, so check the specific pillow and case. Decorative pillows also vary: square accents may be 18 × 18 or 20 × 20 inches, while a lumbar pillow may be 16 × 26 inches. Bolsters come in several lengths and diameters. Add these styling pieces only after the sleeping pillows fit your bed and feel comfortable in use.

The quickest way to choose is to start with the actual pillow dimensions, confirm a compatible case, then picture the number of pillows across your mattress.