Aspect Ratio Calculator
Calculate dimensions while maintaining aspect ratio.
Current Dimensions
Aspect Ratio:
16:9
Resize (Lock Ratio)
1920 × 1080
Calculate dimensions while maintaining aspect ratio.
Use Shawon Calculators' free aspect ratio calculator to get instant, accurate results directly in your browser. No data is stored or transmitted — all calculations happen locally on your device for complete privacy.
Calculate aspect ratios for images and videos. Resize dimensions while maintaining proportions. Free aspect ratio converter. Part of our Developer calculators collection, trusted by students, professionals, and everyday users worldwide.
Input your numbers into the calculator fields
Results are calculated instantly as you type
Copy results or use them for your needs
Uses standard mathematical formulas and algorithms verified against professional tools.
Your data never leaves your device. All calculations happen locally in your browser.
No hidden fees, no registration. 51+ calculators available for unlimited use.
Responsive design works perfectly on desktop, tablet, and mobile browsers.
Aspect ratio is the proportional relationship between width and height of an image or video. Common ratios include 16:9 (widescreen), 4:3 (standard), and 1:1 (square).
Enter the original dimensions and one new dimension (width or height). The calculator automatically computes the other dimension to keep the same ratio.
Yes, completely free with no registration needed.
Yes, works on any device with a browser.
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