1.91:1 Aspect Ratio - Width, Height & CSS Dimensions
A 1.91:1 aspect ratio means width is 191 units for every 100 units of height. Facebook and LinkedIn link preview images (1200×628). At 1200px wide, the matching height is 628px. Use the calculator below for any width or height.
Dimensions
Simplified ratio
300:157.0681
Common ratios
Social media
Photography
Common ratios
Social media
Photography
1.91:1 dimensions reference
Facebook and LinkedIn link preview images (1200×628). Sample calculation: 1200px × 628px preserves 1.91:1. Adjust width in the tool above to regenerate height instantly.
1.91:1 Aspect Ratio FAQ
What is the 1.91:1 aspect ratio?
1.91:1 expresses width-to-height as 191:100. Facebook and LinkedIn link preview images (1200×628). In CSS, write aspect-ratio: 191 / 100. The decimal width÷height value is approximately 1.9100.
If width is 1200px at 1.91:1, what is the height?
Multiply width by 100/191: 1200 × (100 ÷ 191) = 628px. Enter 1200 in the width field with ratio locked to 1.91:1 and the tool returns 628px automatically.
What pixel dimensions are common for 1.91:1?
Facebook and LinkedIn link previews often use 1200×628 px (approximately 1.91:1). Keep key text inside the center safe zone.
How do I set 1.91:1 in CSS?
Use aspect-ratio: 191 / 100 on a block container. Pair it with width: 100% or a fixed max-width; the browser computes height. For embedded video, wrap the iframe in a 1.91:1 box to prevent cumulative layout shift.
1.91:1 calculator vs generic resize tool: why use a ratio-specific page?
Ratio-specific pages document common resolutions and use cases for 1.91:1 without hunting presets. The embedded calculator is pre-loaded with 1.91:1 so you skip manual ratio entry - helpful when sharing links with teammates or clients.
Where is the full aspect ratio calculator?
The main Aspect Ratio Calculator supports any custom ratio, simplified GCD output, and all presets. Visit /dev-tools/aspect-ratio-calculator/ for the complete tool with methodology and cross-links to other Dev Tools.
Sources & review
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