Mattress Size Converter
Compare mattress dimensions worldwide
About Mattress Size Converter
Our Mattress Size Converter helps you compare mattress dimensions across different sizing standards. Whether you're shopping for a new bed, moving internationally, or comparing mattress sizes, this tool provides accurate dimension information for all standard mattress sizes including Twin, Full, Queen, King, and California King.
Standard Mattress Sizes
- Twin: 38" × 75" (97cm × 191cm) - Ideal for children and single sleepers
- Twin XL: 38" × 80" (97cm × 203cm) - Perfect for taller individuals
- Full/Double: 54" × 75" (137cm × 191cm) - Good for single adults or couples
- Queen: 60" × 80" (152cm × 203cm) - Most popular size for couples
- King: 76" × 80" (193cm × 203cm) - Maximum space for couples
- California King: 72" × 84" (183cm × 213cm) - Extra length for tall sleepers
Choosing the Right Mattress Size
Consider your room size, number of sleepers, sleeping habits, and budget when choosing a mattress size. Measure your bedroom to ensure adequate space around the bed for movement. Remember that larger mattresses require larger bed frames and bedding, which can increase costs.
Frequently Asked Questions
Queen size is the most popular mattress size, offering a good balance of space and room fit for couples.
King is wider (76" vs 72") while California King is longer (84" vs 80"). Choose King for more width, Cal King for more length.
No, sheets are size-specific. Always buy sheets that match your exact mattress size for proper fit.
Leave at least 24-30 inches on each side and at the foot of the bed for comfortable movement and access.
No, mattress sizes vary by country. US, UK, and EU use different sizing standards and dimensions.