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Aspect Ratio Calculator

Calculate dimensions while maintaining aspect ratio. Perfect for resizing images and videos.

Original Dimensions

Width (px)

Height (px)

Aspect Ratio:16:9(1.778)

New Dimensions

New Width (px)

New Height (px)

Quick scale:

Visual Preview

1920 × 1080

Common Aspect Ratios

Standard Sizes

How to Use

• Enter original dimensions or select a preset
• Change width or height to calculate proportional dimensions
• Use lock mode to control which dimension stays fixed
• Click common ratios to switch aspect ratios

Aspect Ratio Calculator - Calculate Image & Video Dimensions | Tookio