Aspect Ratio Calculator 🖼️

Easily calculate the perfect width and height for your content.

Original Dimensions

New Dimensions

💡 Changing one value automatically updates the other based on the ratio.

Aspect Ratio 16:9 (1.78)

Visual Preview

1920 x 1080

Aspect Ratio Calculator 🖼️

Need to resize an image or video without making it look stretched? This tool helps you calculate new dimensions while perfectly preserving the original aspect ratio.

💡 About This Tool

Whether you are a web designer, video editor, or social media manager, maintaining the correct proportions is crucial for professional-looking content.

  • Prevent Distortion: Avoid the "squashed" look by ensuring your width and height scale proportionally.
  • Match Platform Requirements: Quickly find the right dimensions for YouTube thumbnails, Instagram posts, or website hero images.
  • Precision Planning: Calculate exact pixel values before you start your export or design process.

📘 Pro Tips for Usage

This calculator is designed to be fast and responsive.

  • Automatic Sync: Simply enter the original dimensions and then change either the new width or height. The other field will update instantly.
  • Quick Presets: Use buttons for common standards like 16:9 (HD Video), 1:1 (Square), or 9:16 (Vertical/Stories).
  • Visual Confirmation: The preview box at the bottom gives you a real-time visual representation of the calculated shape.
  • Copy & Paste: Use the copy button to grab your "Width x Height" result and paste it directly into your editing software (Photoshop, Premiere, etc.).

🧐 Frequently Asked Questions

Q. Does it handle decimal points? A. For practical design use (pixels), the tool rounds the results to the nearest whole number.

Q. What unit should I use? A. While most users use Pixels (px), the math works for any unit (inches, cm, mm) as long as you are consistent.

Q. Is my data safe? A. Yes. All calculations happen entirely within your browser. No data or images are ever sent to a server.

📚 Trivia: Popular Ratios

Different media have different "golden" ratios:

  • 16:9 (1.77): The standard for high-definition TV and internet video.
  • 1:1 (1.00): The classic square, popularized by Instagram.
  • 4:3 (1.33): The standard for older televisions and many digital cameras (Micro Four Thirds).
  • 2.35:1 (2.35): The "Anamorphic" widescreen ratio used in major motion pictures for a cinematic feel.
  • 9:16 (0.56): The vertical flip of HD, essential for mobile-first platforms like TikTok.