Image Sizes for Social Media
This came from a designfag >>25260
this should help if you are wanting to create graphic for social media…
Shared images sizes
Twitter: 440px x 220px
Facebook: 1200px x 630px
Instagram: 1080px x 1080px
Pinterest: 600px x scaled height (Expanded Pin)
LinkedIn: 550px x 375px
YouTube: 16:9 aspect ratio (Video); to qualify for HD: 1280px x 720px
Google+: 497px x 373px, but can be as large as 2048px x 2048px
Medium: 900px wide by any height
Tumblr: 500px x 750px