What is the difference between Queen and King mattress?

Queen mattress is 60" × 80" (152cm × 203cm) with 33.3 sq ft of space, requiring a minimum 10' × 10' room. King mattress is 76" × 80" (193cm × 203cm) with 42.2 sq ft of space, requiring a minimum 12' × 12' room. King is 16 inches wider, providing significantly more space for couples.

Twin vs Full mattress: which is better?

Twin (38" × 75") is ideal for children, teens, and small spaces like dorm rooms. Full (54" × 75") is 16 inches wider, providing more space for single adults. Full is better for adults who want extra room, while Twin is more space-efficient for smaller rooms.

What is the difference between King and California King?

King is 76" × 80" (193cm × 203cm), while California King is 72" × 84" (183cm × 213cm). California King is 4 inches narrower but 4 inches longer. King offers more width for couples, while California King is better for taller individuals who need extra length.

Is Full or Queen better for a couple?

Queen is better for couples. Full (54" × 75") provides only 27 inches per person, which is quite cramped for two adults. Queen (60" × 80") provides 30 inches per person, which is the minimum comfortable width for couples. Most couples prefer Queen or larger.

What size mattress fits a 10x10 room?

A 10x10 room can accommodate a Queen mattress (60" × 80"), which requires a minimum 10' × 10' room. Twin, Twin XL, and Full also fit comfortably in a 10x10 room. King requires at least 12' × 12', so it would be too large for a 10x10 room.

How much bigger is King than Queen?

King is 16 inches wider than Queen (76" vs 60" width) and the same length (80"). This provides 8.9 more square feet of sleeping space (42.2 sq ft vs 33.3 sq ft), which is about 27% more area. King is ideal for couples who want maximum space.

Mattress Size Comparison Guide

Complete side-by-side comparison of all mattress sizes. Compare dimensions, room requirements, pros, cons, and find the perfect size for your needs.

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Complete Size Comparison Table

Size	Dimensions	Area	Min Room	Best For
Twin	38" × 75" 96.5 × 190.5 cm	19.8 sq ft	7' × 9'	Single sleepers, kids, small rooms
Twin XL	38" × 80" 96.5 × 203 cm	21.1 sq ft	7' × 10'	Tall single sleepers, dorm rooms
Full	54" × 75" 137 × 190.5 cm	28.1 sq ft	9' × 9'	Single adults, guest rooms
Queen	60" × 80" 152 × 203 cm	33.3 sq ft	10' × 10'	Couples (most popular)
King	76" × 80" 193 × 203 cm	42.2 sq ft	12' × 12'	Couples, families, maximum space
Cal King	72" × 84" 183 × 213 cm	42.0 sq ft	12' × 13'	Tall couples, extra length

Twin vs Full: Which Should You Choose?

Twin (38" × 75")

Ideal for children and teens

Perfect for small rooms (7' × 9' minimum)

Budget-friendly option

Too narrow for most adults

Not suitable for couples

Full (54" × 75")

16 inches wider than Twin

Comfortable for single adults

Good for guest rooms

Still cramped for couples (27" per person)

Requires larger room (9' × 9')

Verdict: Choose Twin for children, teens, or very small rooms. Choose Full for single adults who want more space. Neither is ideal for couples—consider Queen or larger.

Full vs Queen: The Couple's Dilemma

Full (54" × 75")

Fits smaller rooms (9' × 9')

More budget-friendly

Only 27" per person for couples

Most couples find it too cramped

Queen (60" × 80") ⭐ Most Popular

30" per person—comfortable for couples

Queen (60" × 80")

Fits standard master bedrooms (10' × 10')

More affordable than King

30" per person—comfortable for most couples

Less space than King (16" narrower)

May feel cramped if you have pets or children

King (76" × 80")

38" per person—maximum space for couples

Ideal for families with children or pets

27% more sleeping area than Queen

Requires larger room (12' × 12' minimum)

More expensive than Queen

Verdict: If your room is 12' × 12' or larger and you want maximum space, King is the best choice. It provides 38" per person (vs 30" for Queen) and is ideal for couples who want extra room or have children/pets. If your room is smaller, Queen is the better option.

King vs California King: Length vs Width

King (76" × 80")

Wider (76" vs 72")—better for couples

More common—wider selection of bedding

Standard length (80") works for most people

Shorter than California King (80" vs 84")

California King (72" × 84")

Longer (84" vs 80")—better for tall people

Same total area as King (42 sq ft)

Narrower (72" vs 76")—less width per person

Less common—fewer bedding options

Requires longer room (13' length minimum)

Verdict: Choose King if you prioritize width (better for couples). Choose California King if you're tall (over 6'4") and need extra length. Both have the same total area, but King is wider while California King is longer.

Quick Decision Guide

Choose Based on Your Situation:

Single sleeper, small room: Twin or Twin XL
Single sleeper, standard room: Full
Couple, 10' × 10' room: Queen (most popular)
Couple, 12' × 12' room, want maximum space: King
Tall couple (over 6'4"): California King

Related Tools & Resources

Size Comparison Tool

Use our interactive tool to compare mattress sizes side-by-side.

How to Choose Guide

Step-by-step guide to choosing the right mattress size for your needs.