Presets
16 x 9
16 : 9
Frequently asked questions
How do I find a missing dimension?
Set your ratio, enter the dimension you know, and press the matching button. The tool uses the formula missing = known x ratio-part / known-ratio-part.
What are the preset ratios for?
Common standards: 16:9 for widescreen video, 9:16 for vertical video and stories, 4:3 for classic displays, 1:1 for square social posts, and 21:9 for ultrawide screens.
Can I use a custom ratio?
Yes. Type any two numbers into the ratio fields, for example 7 and 5, and the calculator solves with those.
Preview
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