🛏️ Bed & Mattress Size Guide: Compare Dimensions, Types & Global Standards
Looking for the perfect bed size? Whether you’re deciding between a Twin vs Full, Queen vs King, or navigating international mattress dimensions, this complete guide helps you choose the right fit for your comfort, space, and sleep needs.
✅ Quick Compare:
- Twin vs Full: Great for kids vs solo adults.
- Queen vs King: Best options for couples with different space needs.
- Mattress Size Chart: All standard US mattress dimensions at a glance.
- US vs UK Bed Sizes: Avoid confusion when shopping internationally.
Why Mattress Size Matters
Choosing the right mattress size is crucial for good sleep, proper room fit, and long-term satisfaction. This guide breaks down everything you need to know—from exact measurements to who each size is best for—with easy-to-follow charts and expert comparisons.
1. Twin vs Full Bed Size
Twin Bed:
- Dimensions: 38″ x 75″ (96.5 x 190.5 cm)
- Best for: Children, teens, single sleepers, small guest rooms
Full Bed (Double):
- Dimensions: 54″ x 75″ (137 x 190.5 cm)
- Best for: Single adults who want more space, guest rooms
- Key Difference: A full bed is 16 inches wider than a twin, offering more comfort for one person.
2. Queen vs King Bed
Queen Bed:
- Dimensions: 60″ x 80″ (152 x 203 cm)
- Best for: Couples, master bedrooms with limited space
King Bed:
- Dimensions: 76″ x 80″ (193 x 203 cm)
- Best for: Couples who want maximum personal space, large bedrooms
- Key Difference: A king is 16 inches wider than a queen, ideal for spacious master bedrooms.
3. Mattress Sizes Chart
| Size | Dimensions (inches) | Best For |
|---|---|---|
| Twin | 38 x 75 | Kids, bunk beds |
| Twin XL | 38 x 80 | College dorms, tall teens |
| Full | 54 x 75 | Solo adults |
| Queen | 60 x 80 | Couples, guest rooms |
| King | 76 x 80 | Couples with space |
| California King | 72 x 84 | Tall couples, luxury bedrooms |
4. US vs UK Bed Dimensions
| US Size | US Dimensions (in) | UK Equivalent | UK Dimensions (cm) |
|---|---|---|---|
| Twin | 38 x 75 | Single | 90 x 190 |
| Full | 54 x 75 | Small Double | 120 x 190 |
| Queen | 60 x 80 | King | 150 x 200 |
| King | 76 x 80 | Super King | 180 x 200 |
Note: UK beds are generally shorter and sometimes narrower than their US counterparts.
Compare Bed Sizes
Global Mattress Size Visual Comparison
Twin
38″ x 75″
Twin XL
38″ x 80″
Full
54″ x 75″
Queen
60″ x 80″
King
76″ x 80″
Cal King
72″ x 84″