Aspect Ratio Calculator
Keep the same proportions when resizing. Enter original size and a new width to get the matching height.
New height720
Aspect ratio16 : 9
วิธีใช้
Enter the original width and height, then a new width.
วิธีการทำงาน
New height = new width ÷ (original width ÷ original height).
คำถามที่พบบ่อย
What's a common ratio?
16:9 for video, 4:3 for classic screens.
Is it free?
Yes.