Duvet Cover Size Calculator
Match insert size, seam allowance, shrinkage, and fabric width for a clean duvet cover fit.
🧷 Presets
🌐 Measurement mode
📝 Duvet inputs
📚 Fabric weight grid
The calculator uses these fabric profiles to estimate shrink behavior and give a more realistic cover plan.
📈 Reference tables
Standard duvet cover sizes
| Region | Cover size | Insert size | Best use |
|---|---|---|---|
| US | Twin 68 x 86 | 68 x 86 | Solo bed |
| US | Queen 90 x 90 | 90 x 90 | Most rooms |
| US | King 104 x 90 | 104 x 90 | Wide beds |
| IKEA | Single 150 x 200 | 150 x 200 | Compact fit |
| IKEA | Double 200 x 200 | 200 x 200 | Shared bed |
| IKEA | King 240 x 220 | 240 x 220 | Large room |
| EU | Double 200 x 200 | 200 x 200 | Shared bed |
| EU | Super King 260 x 220 | 260 x 220 | Deep drape |
Fit style guide
| Style | Side ease | Length ease | Finish |
|---|---|---|---|
| Snug | 1.5 in | 3.0 in | Tailored |
| Balanced | 2.5 in | 4.0 in | Everyday |
| Relaxed | 3.5 in | 5.5 in | Soft drape |
| Hotel | 4.5 in | 7.0 in | Plush fold |
| Oversized | 5.5 in | 9.0 in | Loose look |
Fabric shrink guide
| Fabric | GSM | Shrink | Note |
|---|---|---|---|
| Cotton percale | 115 | 4% | Crisp and cool |
| Cotton sateen | 130 | 3% | Smooth drape |
| Washed cotton | 145 | 2% | Soft finish |
| Linen | 160 | 6% | Breathable |
| Bamboo viscose | 125 | 4% | Fluid touch |
| Tencel lyocell | 120 | 3% | Stable sheen |
| Microfiber | 90 | 1% | Low bulk |
| Hemp blend | 175 | 5% | Strong texture |
Bolt width planning
| Bolt width | Panels/side | Typical use | Yardage note |
|---|---|---|---|
| 44 in | 2+ | Narrow cotton | More seams |
| 54 in | 2 | Standard bedding | Common choice |
| 60 in | 2 | Wide cotton | Fewer joins |
| 90 in | 1 | Wide loom | Simple layout |
| 108 in | 1 | Luxury wide | Best for big covers |
Duvet covers come in standard sizes that match mattress sizes. They are designed to cover three sides of the bed. The most used are twin, twin XL, full, queen, king and California king.
Recall that those sizes differ by brand
How to Choose the Right Duvet Cover Size
For full-queen duvet covers the typical dimensions are 90″ x 90″ (228.6 cm x 228.6 cm). King or California king covers have around 106″ x 90″ (269 cm x 228.6 cm). Queen duvet covers range between 88; 92 inches by 88, 92 inches.
Almost every queen cover online has a bit different size. The common are 86″ x 86″ and 90″ x 90″. You find also standard queen in 92 x 88 inches or overiszed in 98 x 98.
In United States there are no standards for duvets and their covers. Every maker uses a bit different sizes. Queen duvets go from 88 x 90 to 90 x 94 inches.
Queen beds are the most liked currently.
The best cover usually matches the insert or is even two inches smaller. When it compacts the duvet, that gives a cloud look that seems luxury. A cover 2-3 inches smaller than the insert helps to reach a puffy look.
Even so too tight duvet in cover reduces the hearte.
For that puffy cloud look put king duvet insert in queen cover works well. If you want richer look with extra fabric at the sides, choose one size bigger. Large duvet creates elegant effect and adds heat, because it protects more bed sides.
Queen bed is 6 inches wider and 6 inches longer than full. The full-queen size helps makers simplify production with fewer sizes. Full comforters measure usually 78 (86 inches by 86), 90 inches.
IKEA duvets do not follow standard size, so cover from other store commonly does not fit perfectly. IKEA duvets are smaller than most. In United Kingdom they range by 10-20 cm in length or width.
Duvet covers are better than comforters, because they take less space in the washingmachine and are easier to refresh regularly.
Corner links, clips or buttons matter, because even if the size is a bit off, they fix the duvet. Cotton covers shrink around 2% during wash, so big cover can fix itself. It works to buy standard cover and have tailor adapt it for ideal fit.
