9:20 aspect ratio
A 9:20 display shows 9 units of width for every 20 units of height — 0.45:1 in decimal form. This tall shape is the standard for phone screens held upright.
A 9:20 display shows 9 units of width for every 20 units of height — 0.45:1 in decimal form. This tall shape is the standard for phone screens held upright.