Image Tool

Aspect Ratio
Calculator

Calculate new dimensions while maintaining aspect ratios like "16:9" or "4:3".
Includes presets for YouTube thumbnails and social media posts.
A time-saving tool for designers and video editors.

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Aspect Ratio

Calculator


:
Width
×
Height
16 : 9

* The preview is for ratio reference only. It does not reflect the actual pixel size.

About Aspect Ratios

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16:9 (Widescreen)

The standard format for YouTube, modern TVs, and monitors. Common resolutions include 1920x1080 (Full HD) and 1280x720 (HD).

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4:3 (Standard)

The classic ratio for analog TV and older computer monitors. It is still widely used in photography and some tablet devices.

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9:16 (Vertical)

The standard for mobile viewing. Used for TikTok, YouTube Shorts, and Instagram Reels (Vertical Video).

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Header & Banners

Header image sizes vary by platform. X (Twitter) uses a 3:1 ratio (1500x500px), while YouTube Channel Art requires 2560x1440px (16:9) to look great on all devices.

FAQ

Q. The result has decimals.

A. Digital images cannot have partial pixels. When creating your image, please round the number to the nearest integer.


Q. What is the Golden Ratio?

A. It is approximately 1 : 1.618. It is a mathematical ratio often found in nature and is considered aesthetically pleasing in art and design.