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Aspect Ratio Calculator
Calculate and convert aspect ratios
Dimensions to Ratio
Ratio to Scale
Enter Dimensions
Width
Height
Simplified Ratio
16:9
Decimal
1.7778
Common Ratios
16:9
(Widescreen)
4:3
(Standard)
1:1
(Square)
21:9
(Ultrawide)
3:2
(DSLR)
9:16
(Portrait)
4:5
(Instagram)
239:100
(Cinema)