Image Aspect Ratio Calculator

Choose a local image to find its dimensions and ratio, then compare Fit and Fill.

Image fit & crop preview

Drop an image here, or choose a file

Read locally in your browser · up to 20 MB / 50 MP · animated images may show motion.

Width (px)Height (px)

Exact ratio

16:9

1920 × 1080 px · Landscape

1:1

Your image

Whole image visible · space above & below

No cropping · 56.3% of frame covered

4:5

Your image

Whole image visible · space above & below

No cropping · 45.0% of frame covered

9:16

Your image

Whole image visible · space above & below

No cropping · 31.6% of frame covered

16:9

Your image

Exact fit · no empty space or crop

Source and frame have the same ratio.

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.

1Choose an image. Read a local image, or type its original 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.