4:3 Aspect Ratio Calculator

Calculate precise 4:3 dimensions for classic video, traditional displays, and retro content. Get mathematically accurate fullscreen measurements instantly.

Understanding the 4:3 Aspect Ratio

The classic 4:3 format, also known as "fullscreen," was the standard for traditional displays and still has many practical uses.

4:3 Aspect Ratio Diagram

What is 4:3?

The 4:3 aspect ratio represents the traditional "fullscreen" format used by older televisions and computer monitors. For every 4 units of width, there are 3 units of height, creating a more square-like rectangle.

Perfect For:

Retro video projects, classic photography, older presentations, and content designed for traditional displays. This format maintains the nostalgic feel of early digital media.

Common 4:3 Resolutions

Standard pixel dimensions for 4:3 content, from basic resolutions to high-definition displays:

Resolution Common Name Typical Use
160 × 120QQVGAVery low-resolution video, early webcams
320 × 240QVGAMobile video, early digital cameras
640 × 480VGAStandard definition video, older monitors
800 × 600SVGAComputer displays, early laptops
1024 × 768XGATraditional computer monitors, projectors
1152 × 864XGA+High-end CRT monitors, workstations
1280 × 960SXGA-Professional displays, medical imaging
1400 × 1050SXGA+High-resolution monitors, design workstations
1600 × 1200UXGAProfessional displays, graphic design
2048 × 1536QXGAMedical imaging, scientific displays
3200 × 2400QUXGAHigh-end professional displays
4096 × 3072HXGACinematic production, large-format displays
6400 × 4800HUXGAUltra-high-resolution professional displays

When to Use 4:3

Retro Projects

Classic video restoration, retro gaming content, and nostalgic media projects

Photography

Traditional photo prints, older digital cameras, and classic image formats

Specialized Uses

Medical imaging, scientific displays, and applications requiring square-like proportions