Aspect Ratio Calculator

Calculate, convert, and visualize aspect ratios for video editing, photography, and content creation.

🎯 Precision Calculator📐 Visual Preview📱 Platform Presets🔒 Ratio Lock

How to Use the Ratio Calculator

Get precise aspect ratios for your creative projects in just a few clicks.

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Enter Dimensions

Input width and height, or choose from popular platform presets for quick setup.

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Lock & Maintain

Lock aspect ratios to automatically adjust dimensions while preserving proportions.

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Visual Preview

See your dimensions come to life with an interactive visual preview and ratio display.

Ratio Master

Aspect ratio calculator and resizer for creators.

Visual Preview

16:9
1920 x 1080

Common Aspect Ratios

Standard ratios used across different platforms and media types.

16:9 (Widescreen)

HD video, YouTube, modern TVs

1920×1080, 1280×720, 854×480

9:16 (Vertical)

TikTok, Instagram Reels, mobile video

1080×1920, 720×1280, 540×960

4:3 (Classic)

Older TVs, presentations, some photos

1024×768, 800×600, 640×480

1:1 (Square)

Instagram posts, profile pictures, thumbnails

1080×1080, 512×512, 256×256

21:9 (Ultra-wide)

Cinemascope, ultra-wide monitors

2560×1080, 3440×1440, 5120×2160

4:5 (Portrait)

Instagram portraits, LinkedIn posts

1080×1350, 720×900, 540×675

Aspect Ratio FAQ

Everything you need to know about aspect ratios and our calculator.

What is aspect ratio?

Aspect ratio is the proportional relationship between the width and height of an image or video. It's expressed as a ratio like 16:9 or 4:3, where the first number represents width and the second represents height.

How do I calculate aspect ratio?

Enter your desired width and height in pixels, or choose from preset resolutions. The calculator will automatically compute the simplified aspect ratio by finding the greatest common divisor.

What are the most common aspect ratios?

Here are the most widely used ratios:

  • 16:9 - Widescreen video (YouTube, TVs, modern displays)
  • 9:16 - Vertical video (TikTok, Instagram Reels, Stories)
  • 4:3 - Classic displays (older TVs, presentations)
  • 1:1 - Square format (Instagram posts, profile pictures)
  • 21:9 - Ultra-wide (cinema, gaming monitors)
  • 4:5 - Portrait (Instagram portraits, LinkedIn)

Can I lock the aspect ratio?

Yes! Use the ratio lock feature to maintain proportions when resizing. When locked, changing one dimension automatically adjusts the other to preserve the current aspect ratio.

Perfect Ratios, Every Time

Whether you're editing video, designing graphics, or creating content, our aspect ratio calculator ensures your dimensions are always perfect.

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