Developer
Aspect Ratio Calculator
Compute missing dimensions for 16:9, 4:3, 1:1, and custom aspect ratios. Essential for responsive design, video, and image sizing.
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Frequently asked questions
Is this tool free?+
Yes. Every Utilio utility is free with no sign-up, usage limits, or paywalls.
Do you store my data?+
No. Processing happens entirely in your browser. Your input never leaves your device.
Can I use this tool offline?+
Yes. Once the page loads, most tools continue working without an internet connection.