Aspect Ratio Calculator
Find any resolution's ratio and resize without distortion.
Ratio
16:9
Matching height
720
How it works
- Enter width and height or pick a preset.
- Read the ratio.
- Enter a new width to get the height.
FAQ
What aspect ratio is 1920×1080?
16:9 — the standard for YouTube, TVs and most monitors.
What aspect ratio do TikTok, Reels and Shorts use?
9:16 vertical, typically 1080×1920 pixels.
How do I resize without distortion?
Keep the same ratio: new height = original height ÷ original width × new width. Enter a new width and the tool gives the matching height.
What is the Instagram feed ratio?
Square 1:1 (1080×1080) or portrait 4:5 (1080×1350).