The two most common aspect ratios for television screens are 4:3 and 16:9. These are fixed ratios set by the physical structure of your TV screen. Today’s most common aspect ratio for televisions is 16:9 – or 16 units wide and 9 units high. If you divide 16 by 9, you get 1.7777. This number is rounded up to 1.78 and is often used to express the sta...
