Bedsheet Sizing Calculator (Metric & Imperial)
Don’t let sheet shopping be a nightmare! Enter your mattress dimensions below in your preferred unit to find the perfect fit.
Standard Mattress Sizes Reference
Common mattress dimensions to help understand sheet sizing.
| Mattress Size | Dimensions (inches) | Dimensions (cm) |
|---|---|---|
| Twin | 38″ × 75″ | 96.5 × 190.5 cm |
| Twin XL | 38″ × 80″ | 96.5 × 203.2 cm |
| Full (Double) | 54″ × 75″ | 137.2 × 190.5 cm |
| Queen | 60″ × 80″ | 152.4 × 203.2 cm |
| King | 76″ × 80″ | 193 × 203.2 cm |
| California King | 72″ × 84″ | 182.9 × 213.4 cm |
Sizes can vary slightly by manufacturer.
Important Bed Sheets Facts
- High thread count doesn’t always mean high quality. Weave, fiber quality, and finish are just as important (sometimes more!).
- Fitted sheet pocket depth is crucial! Measure your mattress height (including toppers) and add 2-3 inches (5-7 cm) to find the minimum pocket depth you need.
- Natural fibers like cotton and linen are breathable, making them great for warm sleepers or climates.
- Microfiber sheets (polyester) are generally wrinkle-resistant, durable, and budget-friendly, but less breathable than cotton.
- Wash new sheets before using them to remove finishing chemicals and soften the fabric.
- Avoid using fabric softener on towels and sheets with moisture-wicking properties, as it can reduce their absorbency.
- Rotating your sheets (having at least 2-3 sets) extends their lifespan considerably.
Factors to Consider When Buying Bed Sheets
- Material/Fiber: Cotton (Egyptian, Pima, Upland), Linen, Microfiber, Bamboo Rayon, Tencel, Silk? Each has different feel, breathability, durability, and cost.
- Weave: Percale (crisp, cool), Sateen (silky smooth, slightly warmer), Jersey (stretchy, like a T-shirt), Flannel (fuzzy, warm).
- Thread Count (TC): Generally, 200-800 is the sweet spot for quality cotton. Be wary of extremely high numbers (1000+), as they might use multi-ply threads which doesn’t necessarily improve quality.
- Fitted Sheet Pocket Depth: Does it match your mattress height + a few inches for tucking? Standard, Deep, or Extra Deep?
- Size: Does it match your mattress (Twin, Queen, King, etc.)? Use this calculator!
- Climate/Season: Flannel for winter, percale or linen for summer? Consider breathability.
- Certifications: Look for OEKO-TEX Standard 100 (tested for harmful substances) or GOTS (organic cotton standards) if these are important to you.
- Care Instructions: Are you prepared for hand-washing silk or ironing linen, or do you prefer easy machine wash & dry?
Did You Know? Bedding Trivia!
- The term “thread count” technically refers to the number of threads woven into one square inch of fabric (both warp and weft).
- Ancient Egyptians are often credited with inventing linen sheets around 3400 BC.
- King Louis XIV of France reportedly owned over 400 different beds! (Talk about sheet inventory!)
- The standard pillowcase sizes evolved alongside bed sizes – Standard, Queen, and King cases match their respective bed widths better.
- The world record for the fastest time to make a bed (military style, one person) is reportedly under 30 seconds!
- Before fitted sheets became popular (around the 1950s-1990s), people used larger flat sheets and meticulously tucked them using “hospital corners”.
- The color of your bedding might subtly influence your mood or sleep quality, according to color psychology principles.