Image Aspect Ratio Calculator
Upload an image or enter dimensions manually to get the simplified aspect ratio, like 16:9 or 4:3.
Drag an image here, or
Aspect ratio
16:9
1920 × 1080px — 1.778:1 decimal
How to use it
- 1Upload an image, or switch to manual entry.
- 2Enter width and height if using manual entry.
- 3Read the simplified ratio.
Is my file uploaded?
No — the calculation happens locally in your browser.
FAQ
- Why is my ratio an unusual number like 37:20?
- That's the true simplified ratio of your exact pixel dimensions — real-world images don't always land on 'clean' ratios like 16:9 unless they were cropped to match one exactly.