Video Aspect Ratio Calculator

Enter video dimensions to compare Fit and Fill on a widescreen display and a vertical phone.

Video screen simulator

Width (px)Height (px)

Exact ratio

16:9

1920 × 1080 px · Landscape

16:9

Your video

Exact fit · no empty space or crop

Source and frame have the same ratio.

9:16

Your video

Whole video visible · space above & below

No cropping · 31.6% of frame covered

Uses pixel dimensions with square pixels. No video upload or transcoding.

Calculate or scale dimensions

Width (px)

Height (px)

Simplified ratio

16:9

≈1.78:1

Precision detail

Parentheses mark repeating digits; … marks a truncated decimal. Fractions are exact.

1Enter dimensions. Enter the video’s pixel width and height.
2Compare. Fit keeps the whole frame. Fill previews a centered crop.
3Scale. Open Calculate or scale dimensions to find a new size or copy an exact ratio.

This calculator returns dimensions and aspect ratios; it does not resize or crop files.