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Paper Sizes Reference

📄 ISO A Series (Metric)

A0
841 × 1189 mm
33.1 × 46.8 inches
A1
594 × 841 mm
23.4 × 33.1 inches
A2
420 × 594 mm
16.5 × 23.4 inches
A3
297 × 420 mm
11.7 × 16.5 inches
A4
210 × 297 mm
8.3 × 11.7 inches
Most common worldwide
A5
148 × 210 mm
5.8 × 8.3 inches
A6
105 × 148 mm
4.1 × 5.8 inches
A7
74 × 105 mm
2.9 × 4.1 inches

📄 ISO B Series (Metric)

B4
250 × 353 mm
9.8 × 13.9 inches
B5
176 × 250 mm
6.9 × 9.8 inches

📄 North American Sizes (Imperial)

Letter
8.5 × 11 inches
216 × 279 mm
Standard US/Canada
Legal
8.5 × 14 inches
216 × 356 mm
Tabloid
11 × 17 inches
279 × 432 mm
Executive
7.25 × 10.5 inches
184 × 267 mm

📄 Photo Sizes

4×6 Photo
4 × 6 inches
102 × 152 mm
5×7 Photo
5 × 7 inches
127 × 178 mm
8×10 Photo
8 × 10 inches
203 × 254 mm

Mattress Sizes Reference

🛏️ Australian Mattress Sizes

Single
92 × 188 cm
36 × 74 inches
King Single
107 × 203 cm
42 × 80 inches
Double
138 × 188 cm
54 × 74 inches
Queen
153 × 203 cm
60 × 80 inches
Most popular in Australia
King
183 × 203 cm
72 × 80 inches
Super King
203 × 203 cm
80 × 80 inches

🛏️ UK Mattress Sizes

Small Single
75 × 190 cm
30 × 75 inches
Single
90 × 190 cm
36 × 75 inches
Small Double
120 × 190 cm
47 × 75 inches
Double
135 × 190 cm
53 × 75 inches
King
150 × 200 cm
59 × 79 inches
Most popular in UK
Super King
180 × 200 cm
71 × 79 inches
Emperor
200 × 200 cm
79 × 79 inches

🛏️ USA Mattress Sizes

Twin
38 × 75 inches
97 × 191 cm
Twin XL
38 × 80 inches
97 × 203 cm
Full (Double)
54 × 75 inches
137 × 191 cm
Queen
60 × 80 inches
152 × 203 cm
Most popular in USA
King
76 × 80 inches
193 × 203 cm
California King
72 × 84 inches
183 × 213 cm
Longer, narrower than King

💡 Mattress Size Tips:

  • Australia vs USA Queen: Australian Queens are slightly wider (153cm vs 152cm)
  • UK vs USA sizes: UK mattresses are generally slightly longer than US equivalents
  • Standard depth: Most mattresses are 25-30cm (10-12 inches) deep
  • Bedding compatibility: Check measurements when buying international bedding
  • Room size guide: Allow at least 60cm (24 inches) around the bed for walking space

Mattress Sizes Reference

🛏️ Australian Mattress Sizes

Single
92 × 188 cm
36 × 74 inches
Standard kids/guest
King Single
107 × 203 cm
42 × 80 inches
Extra length
Double
138 × 188 cm
54 × 74 inches
Couples
Queen
153 × 203 cm
60 × 80 inches
Most popular
King
183 × 203 cm
72 × 80 inches
Maximum comfort
Super King
203 × 203 cm
80 × 80 inches
Ultra spacious

🛏️ UK Mattress Sizes

Small Single
75 × 190 cm
30 × 75 inches
Compact spaces
Single
90 × 190 cm
35 × 75 inches
Standard UK single
Small Double
120 × 190 cm
47 × 75 inches
Also called 4ft
Double
135 × 190 cm
53 × 75 inches
Standard couples
King
150 × 200 cm
59 × 79 inches
Extra width
Super King
180 × 200 cm
71 × 79 inches
Maximum space
Emperor
200 × 200 cm
79 × 79 inches
Luxury size

🛏️ USA Mattress Sizes

Twin
39 × 75 inches
99 × 191 cm
Kids/single adults
Twin XL
39 × 80 inches
99 × 203 cm
College dorms
Full
54 × 75 inches
137 × 191 cm
Also called Double
Queen
60 × 80 inches
152 × 203 cm
Most popular USA
King
76 × 80 inches
193 × 203 cm
Spacious couples
California King
72 × 84 inches
183 × 213 cm
Extra length

📏 Quick Comparison Tips

  • Australian Queen ≈ USA Queen: Almost identical sizes
  • UK King ≈ USA Queen: Very similar dimensions
  • Australian King ≈ USA King: Close match
  • UK Super King ≈ USA King: Comparable sizes
  • Note: Always measure your bed frame before buying!

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