Social Media
Using the wrong ratio (like 16:9 on a TikTok) leads to ugly black bars or auto-cropping. Use our presets to get the dimensions right every time.
Free Online Aspect Ratio Calculator
Calculate dimensions, megapixels, and file size estimates for any screen or print all for free and 100%
Dimensions
Aspect Ratio
16:9
Decimal
1.777
Quick Presets
Social Media
Video Standards
Live Preview
16 : 9
1920 x 1080
Width
Height
Megapixels
2.1 MP
Uncompressed Size (RAM)
~7.9 MB
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A4 paper is roughly √2 aspect ratio. Verify your pixel dimensions match the physical print size to avoid blurry posters.
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