Aspect Ratio Calculator
Calculate image ratios, proportional scaling, crop risk and padding dimensions.
Ratio result
1920×1080px simplifies to 16:9 (16:9). Target 16:9. 1200px wide should be 675px high; 720px high should be 1280px wide. Crop fit 1920×1080; padding canvas 1920×1080.
16:9simplified ratio
1.7778decimal ratio
0%target mismatch
0%pixels cropped
0%padding added
- Crop fit removes pixels on the height axis.
- Padding fit preserves the full image and adds empty space on the height axis.
FAQ
What does aspect ratio mean?
It is the width-to-height proportion, such as 16:9, 4:5 or 1:1.
Can this resize my image?
No. It gives exact target dimensions and crop or padding guidance.
Related tools
Sources and limits
Print formulas use standard inch, cm, mm and PPI conversions. Last checked 2026-05-24.
Platform dimensions are centralized in data files. Every platform spec must include sourceConfidence, sourceUrl and lastCheckedAt. Official platform documentation overrides this tool when specifications differ.