Aspect Ratio Calculator
Calculate aspect ratios from width and height. Visual preview with common presets for screens, photos, and social media.
Aspect Ratio16:9
HD / Widescreen
Common Presets
Visual Preview
16:9
1920 × 1080 pixels
How to Calculate Aspect Ratio
- Enter the width and height in pixels
- The simplified aspect ratio is calculated automatically
- View the visual preview of the ratio
- Or click any preset button to see standard ratios
Referencia Rápida
| De | A |
|---|---|
| 16:9 | 1920×1080 |
| 4:3 | 1024×768 |
| 1:1 | 1080×1080 |
| 21:9 | 2560×1080 |
| 9:16 | 1080×1920 |
| 3:2 | 1080×720 |
Casos de Uso
- •Video production: determine the correct resolution for your target aspect ratio
- •Web design: set responsive image containers with proper proportions
- •Photography: crop images to standard print or display ratios
- •Social media: prepare content with platform-specific dimensions
Fórmula
The aspect ratio is calculated by dividing both dimensions by their Greatest Common Divisor (GCD). For example, 1920×1080: GCD(1920,1080) = 120, so 1920/120 : 1080/120 = 16:9.
Preguntas Frecuentes
What is the aspect ratio of 1920x1080?
1920×1080 has an aspect ratio of 16:9, also known as widescreen or Full HD.
What is 4:3 aspect ratio?
4:3 is the traditional TV and monitor format. Common resolutions include 1024×768 and 1600×1200.
What aspect ratio does Instagram use?
Instagram supports 1:1 (square), 4:5 (portrait), and 1.91:1 (landscape) aspect ratios.
How is the GCD calculated?
The Greatest Common Divisor is found using the Euclidean algorithm: repeatedly dividing the larger number by the smaller until the remainder is zero.
What aspect ratio is best for YouTube?
YouTube recommends 16:9 (widescreen). Standard resolutions: 1920×1080 (1080p), 2560×1440 (1440p), 3840×2160 (4K).