🔄 Universal Unit Converter
Convert between metric, imperial, and currency units instantly
Length
Weight
Temperature
Volume
Area
Speed
Paper Sizes
Mattress Sizes
Currency
Length Converter
From:
Meters
Kilometers
Centimeters
Millimeters
Miles
Yards
Feet
Inches
⇄
To:
Meters
Kilometers
Centimeters
Millimeters
Miles
Yards
Feet
Inches
Weight Converter
From:
Kilograms
Grams
Milligrams
Metric Tons
Pounds
Ounces
Stones
⇄
To:
Kilograms
Grams
Milligrams
Metric Tons
Pounds
Ounces
Stones
Temperature Converter
From:
Celsius
Fahrenheit
Kelvin
⇄
To:
Celsius
Fahrenheit
Kelvin
Volume Converter
From:
Liters
Milliliters
Cubic Meters
Gallons (US)
Quarts
Pints
Cups
Fluid Ounces
⇄
To:
Liters
Milliliters
Cubic Meters
Gallons (US)
Quarts
Pints
Cups
Fluid Ounces
Area Converter
From:
Square Meters
Square Kilometers
Hectares
Square Feet
Square Miles
Acres
Square Yards
⇄
To:
Square Meters
Square Kilometers
Hectares
Square Feet
Square Miles
Acres
Square Yards
Speed Converter
From:
Kilometers/hour
Miles/hour
Meters/second
Knots
Feet/second
⇄
To:
Kilometers/hour
Miles/hour
Meters/second
Knots
Feet/second
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!
Currency Converter
From:
USD - US Dollar
EUR - Euro
GBP - British Pound
JPY - Japanese Yen
AUD - Australian Dollar
CAD - Canadian Dollar
CHF - Swiss Franc
CNY - Chinese Yuan
INR - Indian Rupee
MXN - Mexican Peso
⇄
To:
USD - US Dollar
EUR - Euro
GBP - British Pound
JPY - Japanese Yen
AUD - Australian Dollar
CAD - Canadian Dollar
CHF - Swiss Franc
CNY - Chinese Yuan
INR - Indian Rupee
MXN - Mexican Peso
💡 Currency rates are fetched in real-time from the Exchange Rate API. Rates update automatically.
×