Video Aspect Ratio Calculator
Pick a ratio, enter either width or height, and calculate the matching dimension without stretching your video. Results round to even pixels for encoder-friendly dimensions.
Output
1920 × 1080
Reduced ratio
16:9
Orientation
Landscape
All calculations run in your browser. Nothing is uploaded or stored.
Common creator dimensions
- 1920 × 1080 (16:9): standard Full HD landscape video.
- 1080 × 1920 (9:16): Full HD vertical video for Shorts and other vertical feeds.
- 1080 × 1080 (1:1): square social video.
- 1080 × 1350 (4:5): portrait feed post.
Read the practical aspect-ratio guideto decide when to crop, reframe, add a background, or export a separate version.