Aspect Ratio Calculator
Calculate dimensions and ratios for images and video.
Aspect Ratio Calculator for Video & Image Resizing
Calculate pixel dimensions and aspect ratios for designers, videographers, and developers working with responsive media.
How to use the Aspect Ratio Calculator:
- Enter your known Width or Height.
- Select a preset like 16:9, 4:3, or 9:16.
- The missing dimension is calculated automatically to maintain the perfect scale.
Common Aspect Ratios Explained:
16:9 is the standard for modern widescreen displays and YouTube video. 4:3 is often used for classic TV or photography. 9:16 is increasingly popular for social media stories (TikTok, Instagram Reels). Our tool guarantees that your content fits these containers perfectly without stretching or distortion.