3:4 Portrait Aspect Ratio & Dimensions Guide
The 3:4 aspect ratio (0.75:1) is the vertical inverse of traditional 4:3. It is widely used in vertical tablet interfaces, digital magazines, Pinterest graphics, and classic portrait photography.
Portrait 3:4 Vertical Studio & Scaling Calculator
Pre-loaded with 1080 × 1440 (3:4portrait). Adjust width or height to calculate proportional dimensions.
Developer Outputs (CSS • HTML)Show CodeHide Code
aspect-ratio: 16 / 9;aspect-videowidth="1920" height="1080"The preview rectangle automatically scales proportionally to simulate true physical and screen viewport orientations, preventing distortion before you export.
Common 3:4 Resolutions & Formats
Exact pixel dimensions matching the 3:4 ratio across varying quality tiers.
| Standard / Tier | Dimensions (W × H) | Quality | Primary Use Case |
|---|---|---|---|
| Standard Portrait HD | 1080 × 1440 px | HD Portrait | Web graphics and digital editorial covers |
| iPad Portrait Retina | 1536 × 2048 px | 2K Tablet | Native iPad portrait app interface canvas |
| High-Res Studio Portrait | 3000 × 4000 px | 12 MP | Commercial photography portfolio display |
Safe Zone & UI Margins
Standard portrait framing with balanced head and shoulder room.
Recommended Video & Audio Codecs
Export settings to minimize server-side recompression artifacts and preserve crisp details.
Why 3:4 is Preferred for Editorial and Tablet Design
Unlike narrow 9:16 smartphone formats, 3:4 gives substantial lateral width while maintaining a vertical emphasis. This makes it ideal for digital book reading, magazine covers, and responsive tablet applications where users expect comfortable margin spacing.
Frequently Asked Questions about 3:4
How do you calculate dimensions for a 3:4 ratio?
To find height from width: Multiply width by 4 and divide by 3 (Height = Width × 1.3333). To find width from height: Multiply height by 3 and divide by 4 (Width = Height × 0.75).
Need to calculate or inspect other aspect ratios?
Visit our universal aspect ratio calculator hub for drag-and-drop media inspection, multi-line batch processing, reverse resolution matching, and instant CSS export.
Go to Main Aspect Ratio Calculator →