SIZE CHART
Bed Sheet & Flat Sheet Size Chart
King flat sheet dimensions: 108 × 102 in (274 × 259 cm) · Queen flat sheet: 90 × 102 in · Fitted sheets match the mattress (king fitted 76 × 80 in). Pocket depth and set contents below.
Last updated: June 2026 · Dimensions based on standard US mattress and bedding industry sizes
Flat sheet dimensions (inches & cm)
Twin flat sheet
66 x 96 in
168 x 244 cm
Mattress: 39 x 75
Twin XL flat sheet
66 x 102 in
168 x 259 cm
Mattress: 39 x 80
Full / Double flat sheet
81 x 96 in
206 x 244 cm
Mattress: 54 x 75
Queen flat sheet
90 x 102 in
229 x 259 cm
Mattress: 60 x 80
King flat sheet
108 x 102 in
274 x 259 cm
Mattress: 76 x 80
California King flat sheet
102 x 110 in
259 x 279 cm
Mattress: 72 x 84
Queen Sheets:
Fitted: 60×80" | Flat: 90×102"
King Sheets:
Fitted: 76×80" | Flat: 108×102"
Full Sheets:
Fitted: 54×75" | Flat: 81×96"
Twin Sheets:
Fitted: 39×75" | Flat: 66×96"
California King:
Fitted: 72×84" | Flat: 102×110"
Crib Sheets:
Fitted: 28×52" | Flat: 36×60"
Match sheet size to your mattress for a clean tuck. Below: fitted sheets, flat sheets, and sets—plus how to measure mattress depth for the right pocket.
Bed Sheet Size Chart
| Bed Size | Mattress Dimensions | Fitted Sheet | Flat Sheet | Sheet Set Includes |
|---|---|---|---|---|
| Twin | 39 x 75(99 x 191 cm) | 39 x 75(99 x 191 cm) | 66 x 96(168 x 244 cm) | 1 fitted sheet, 1 flat sheet, 1 pillowcase |
| Twin XL | 39 x 80(99 x 203 cm) | 39 x 80(99 x 203 cm) | 66 x 102(168 x 259 cm) | 1 fitted sheet, 1 flat sheet, 1 pillowcase |
| Full / Double | 54 x 75(137 x 191 cm) | 54 x 75(137 x 191 cm) | 81 x 96(206 x 244 cm) | 1 fitted sheet, 1 flat sheet, 1-2 pillowcases |
| Queen | 60 x 80(152 x 203 cm) | 60 x 80(152 x 203 cm) | 90 x 102(229 x 259 cm) | 1 fitted sheet, 1 flat sheet, 2 pillowcases |
| King | 76 x 80(193 x 203 cm) | 76 x 80(193 x 203 cm) | 108 x 102(274 x 259 cm) | 1 fitted sheet, 1 flat sheet, 2 king pillowcases |
| California King | 72 x 84(183 x 213 cm) | 72 x 84(183 x 213 cm) | 102 x 110(259 x 279 cm) | 1 fitted sheet, 1 flat sheet, 2 king pillowcases |
Special Size Bed Sheets
| Sheet Type | Fitted Sheet | Flat Sheet | Description |
|---|---|---|---|
| Crib Sheet | 28 x 52(71 x 132 cm) | 36 x 60(91 x 152 cm) | Standard crib mattress sheets |
| Toddler Sheet | 28 x 52(71 x 132 cm) | 40 x 60(102 x 152 cm) | For toddler beds (same as crib size) |
Sheet Pocket Depth Guide
Depth Range: 7-9" (18-23 cm)
Fits standard mattresses up to 9 inches thick
Suitable for: Most standard mattresses
Depth Range: 12-15" (30-38 cm)
Fits thicker mattresses including pillow tops
Suitable for: Pillow top mattresses, memory foam mattresses
Depth Range: 16-22" (41-56 cm)
Fits very thick mattresses and mattress toppers
Suitable for: Extra thick mattresses, mattress toppers, adjustable beds
Step 1: Measure Your Mattress
Measure your mattress length, width, and depth (thickness) in inches or centimeters. Standard bed sizes are Twin (39 x 75"), Full (54 x 75"), Queen (60 x 80"), and King (76 x 80").
Step 2: Determine Pocket Depth
Measure your mattress depth to choose the correct pocket depth. Standard mattresses (7-9 inches) use standard pocket sheets, while thicker mattresses (12-15 inches) require deep pocket sheets. Very thick mattresses (16-22 inches) need extra deep pocket sheets.
Step 3: Select Fitted Sheet Size
Choose a fitted sheet that matches your mattress dimensions exactly. The fitted sheet should fit snugly around your mattress with elastic corners.
Step 4: Select Flat Sheet Size
Choose a flat sheet that is larger than your mattress to allow for tucking. Standard flat sheets are typically 30-48 inches wider and longer than the mattress for proper coverage.
- Always match sheet sizes to your mattress size. Full size sheets will not properly fit a queen bed, and vice versa.
- Measure your mattress depth before purchasing. A fitted sheet that is too shallow will not stay in place, while one that is too deep may look loose.
- Consider material and care instructions. Different materials (cotton, microfiber, bamboo) may have slightly different sizing and care requirements.
- Check sheet set contents. Standard sets include 1 fitted sheet, 1 flat sheet, and 1-2 pillowcases depending on bed size.
Frequently Asked Questions
A standard king flat sheet is 108 x 102 inches (274 x 259 cm). It fits a king mattress about 76 x 80 inches with extra length and width for tucking. Always check the product label—brands can differ by a few inches.
For a queen bed (60 x 80 inches), you need a 60 x 80 inch fitted sheet and a 90 x 102 inch flat sheet. A standard queen sheet set includes 1 fitted sheet, 1 flat sheet, and 2 pillowcases.
King size sheets include a 76 x 80 inch fitted sheet and a 108 x 102 inch flat sheet. A standard king sheet set includes 1 fitted sheet, 1 flat sheet, and 2 king pillowcases.
Standard pocket sheets fit mattresses 7-9 inches thick, while deep pocket sheets fit mattresses 12-15 inches thick. Extra deep pocket sheets fit mattresses 16-22 inches thick. Choose based on your mattress thickness.
No, full size sheets (54 x 75 inches) will not properly fit a queen bed (60 x 80 inches). The fitted sheet will be too small, and the flat sheet will not provide adequate coverage. Always match sheet sizes to your mattress size.
A standard crib sheet is 28 x 52 inches (71 x 132 cm) for the fitted sheet. Crib mattresses are standardized at this size, so all crib sheets should fit properly.
A standard sheet set typically includes 1 fitted sheet, 1 flat sheet, and 1-2 pillowcases depending on the bed size. Twin and Full sets usually include 1 pillowcase, while Queen and King sets include 2 pillowcases.

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