Bed Linen Size Calculator
Find the perfect size for your bed linens! This calculator helps you determine the ideal dimensions for fitted sheets, flat sheets, and bedspreads based on your mattress measurements.
Bed Linen Measurements
Getting the right size bed linens ensures a perfect fit and stylish look for your bedroom. Here’s how the different bed linen types are measured:
| Linen Type |
Measurement Method |
Purpose |
| Fitted Sheet |
Mattress dimensions + (2 × mattress depth) + extra for elastic |
Securely covers mattress with elastic corners |
| Flat Sheet |
Mattress dimensions + additional draping allowance |
Provides layer between sleeper and blanket/comforter |
| Bedspread/Comforter |
Mattress dimensions + draping to desired length past mattress edge |
Decorative top layer that covers the entire bed |
| Duvet Cover |
Should match duvet insert dimensions |
Protective, washable cover for duvet insert |
| Pillowcases |
Pillow width + length + small allowance |
Cover for sleeping pillows |
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Material Shrinkage
Consider adding 2-3% to your measurements for natural fibers like cotton, which may shrink after washing.
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Measure Twice
Always double-check your mattress measurements before purchasing or making bed linens.
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Deep Pockets
For mattresses over 14 inches deep, look for “deep pocket” fitted sheets or add extra fabric when sewing.
Standard Bed Sizes
| Bed Type |
Dimensions (inches) |
Dimensions (cm) |
| Twin/Single |
39 × 75 inches |
99 × 190 cm |
| Twin XL |
39 × 80 inches |
99 × 203 cm |
| Full/Double |
54 × 75 inches |
137 × 190 cm |
| Queen |
60 × 80 inches |
152 × 203 cm |
| King |
76 × 80 inches |
193 × 203 cm |
| California King |
72 × 84 inches |
183 × 213 cm |
Bed Linen Shopping Tips
| Tip |
Description |
| Thread Count |
Thread count indicates the density of threads per square inch. Higher isn’t always better—a good quality sheet typically has 200-800 thread count. Extremely high numbers can be misleading. |
| Material Choice |
Consider the climate and your preferences: cotton is breathable and easy to care for, linen is durable and cooling, silk is luxurious and temperature-regulating, and polyester blends are affordable and wrinkle-resistant. |
| Weave Type |
Percale is crisp and cool, sateen is smooth and silky, jersey is stretchy and soft like a t-shirt, and flannel is warm and cozy for cold weather. |
| Pocket Depth |
Standard sheets fit mattresses 7-12 inches deep, deep pockets fit 13-17 inches, and extra deep pockets fit 18-25 inches. Always check your mattress depth before purchasing. |
| Care Instructions |
Look for easy-care instructions that match your lifestyle. Some high-end fabrics require special washing or ironing. |
| Seasonal Changes |
Consider having different sheet sets for summer and winter to maintain comfort as temperatures change. |
DIY Bed Linen Tips
- Pre-wash and dry all fabric before cutting to account for shrinkage.
- Add 1-2 inches to your measurements for seam allowances when making your own linens.
- For fitted sheets, cut rounded corners and add elastic to create the perfect fit.
- Consider French seams for a professional, durable finish that prevents fraying.
- Label your handmade linens with size information for easy identification when stored.
- Use natural fiber thread (cotton with cotton fabrics, silk with silk fabrics) for best results.
- Decorative elements like piping or embroidery should be positioned at least 3-4 inches from the edge for visibility when the bed is made.
- For durability, reinforce corners and areas that experience the most wear.
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