ASPECT RATIO CALCULATOR
Why Use an Aspect Ratio Calculator?
Aspect ratio is the proportional relationship between the width and height of an image or screen. Getting it right is crucial for designers, videographers, and developers to ensure content fits perfectly without distortion or black bars.
Common Ratios
- 16:9: The standard for HD video (YouTube, TV, Movies).
- 9:16: The standard for mobile video (TikTok, Instagram Reels, YouTube Shorts).
- 4:3: Standard definition TV and older computer monitors.
- 1:1: Square format, commonly used for Instagram feed posts and profile pictures.
Frequently Asked Questions
What is Aspect Ratio?
Aspect ratio is the proportional relationship between the width and height of an image or screen. It is usually expressed as two numbers separated by a colon, like 16:9.
How do I calculate aspect ratio from pixels?
To find the aspect ratio, divide the width by the height. Then, simplify the fraction using the greatest common divisor. Our tool does this automatically when you enter dimensions.
What is the standard ratio for YouTube?
The standard aspect ratio for YouTube videos is 16:9 (e.g., 1920x1080). For YouTube Shorts, the standard is 9:16 (e.g., 1080x1920).
Does this tool resize images?
This tool calculates the numbers for you. To actually resize an image file, use our Image Resizer & Converter tool.
- Image Resizer Actually resize your image files after calculating dimensions.
- Smart QR Code Generator Create QR codes sized perfectly for your designs.
- Color Palette Generator Find the perfect colors for your project.
- CSS Gradient Generator Create backgrounds for your resized containers.
- AI Prompt Generator Specify aspect ratios (e.g. --ar 16:9) for Midjourney images.