Classic ratio calculator

4:3 Aspect Ratio Helper

4:3 is useful for older displays, document-friendly visuals, classic camera crops, and some presentation formats.

4:3

Live preview follows the selected ratio.

Calculator

Calculate The Missing Dimension

Choose a ratio, enter width or height, and the calculator fills the matching dimension while keeping the image or video proportional.

Simplified ratio 4:3
Decimal 1.3333
Current size 480 x 360

Common 4:3 Aspect Ratio Sizes

Use these sizes as starting points. Exact platform requirements can change, so treat the calculator as the proportional reference and check the final upload screen before publishing.

Use case Pixel size Ratio
SVGA 800 x 600 4:3
XGA 1024 x 768 4:3
UXGA 1600 x 1200 4:3
QXGA 2048 x 1536 4:3

Generated Size Table

The table below updates when you choose a new ratio. It is useful for planning responsive images, thumbnails, and video exports.

Width Matching height Size

Practical Tips

4:3 gives more vertical space than 16:9.

Check modern platform requirements before uploading.

Use it for diagrams when width is limited.

Visual Ratio Reference

This reference chart shows how common frames compare. Use it when deciding whether a creative should be wide, square, portrait, or ultrawide.

Comparison chart for common aspect ratios including 16:9, 9:16, 1:1, 4:5, and 21:9