Kiln

Size guide · updated 2026-10

4K wallpaper size

4K UHD is 3840×2160 pixels.

3840 × 2160pixels · 16:9 aspect ratio
Make a 3840×2160 wallpaper Opens a blank canvas at exactly this size.

Specs at a glance

4K UHD3840 × 2160 px
1440p2560 × 1440 px
1080p1920 × 1080 px

Other sizes

YouTube thumbnail1280 × 720 pxYouTube banner2560 × 1440 pxInstagram post1080 × 1350 pxInstagram square post1080 × 1080 pxInstagram story / Reel1080 × 1920 pxTikTok video1080 × 1920 pxFacebook cover photo851 × 315 pxFacebook post1200 × 630 pxLinkedIn banner1584 × 396 px