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📐 Pre-Locked Ratio Engine • 1.33:1

4:3 Dimension Calculator

4:3 (1.33:1) was the original broadcast television and computer monitor standard for decades and remains the ergonomic standard for Apple iPad screens.

Normalized Ratio
4:3
1.33:1 (1.3333)
🔒

Locked 4:3 Dimension Solver

Ratio Locked (1:1.33)

Type any Width or Height below. The corresponding dimension automatically recalculates to keep the exact 4:3 ratio without distortion.

W
H
Total Resolution: 1440 × 1080 px
Image Density: 1.56 MP

🎯 Where is 4:3 Used?

4:3 (1.33:1) was the original broadcast television and computer monitor standard for decades and remains the ergonomic standard for Apple iPad screens.

  • ✓ Apple iPad and iPad Air standard display ratio
  • ✓ Classic television series & retro video games
  • ✓ Micro Four Thirds (MFT) mirrorless camera sensors
  • ✓ Presentation slide decks (Standard 4:3 PowerPoint / Keynote)
  • ✓ Vintage CRT monitors and arcade emulation

Physical Shape Visualizer

4:3 Proportions
4:3
1440 × 1080 px
Fraction 4:3
Decimal 1.33:1

📊 Standard 4:3 Resolutions

Official and common pixel dimensions for the 4:3 aspect ratio

1-Click Load into Calculator
Resolution Name Dimensions (W × H) Megapixels Typical Usage Actions
iPad Pro Retina 2732 × 2048 px 5.60 MP Apple 12.9" iPad Pro high-resolution display
iPad Standard Retina 2048 × 1536 px 3.15 MP Standard 9.7" & 10.2" iPad screen resolution
Full HD 4:3 Pillarbox 1440 × 1080 px 1.56 MP HD broadcast archival format for classic television
Super XGA / UXGA 1600 × 1200 px 1.92 MP High-resolution professional workstation monitors
Standard XGA 1024 × 768 px 0.79 MP Universal baseline resolution for legacy projectors
Classic VGA 640 × 480 px 0.31 MP Standard definition NTSC television & retro computing

🔗 Explore Other Popular Aspect Ratios

Compare with other standard digital screen, photo, and cinema aspect ratios

16:9 Universal Standard
16:9 Aspect Ratio
1.78:1 • Landscape
9:16 Viral Mobile
9:16 Aspect Ratio
0.56:1 • Portrait
1:1 Square Feed
1:1 Aspect Ratio
1.0:1 • Square
21:9 Ultrawide Desktop
21:9 Aspect Ratio
2.33:1 • Ultrawide
4:5 Instagram Feed
4:5 Aspect Ratio
0.8:1 • Portrait
3:2 Classic Photo
3:2 Aspect Ratio
1.5:1 • Landscape
2.39:1 Anamorphic Cinema
2.39:1 Aspect Ratio
2.39:1 • Ultrawide
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4:3 Aspect Ratio Calculator & Dimensions (Classic TV & iPad)

🧮 Calculators

Calculate 4:3 dimensions and pixel sizes for Apple iPad displays, retro monitors, classic television broadcast, and photography.

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Frequently Asked Questions

Quick answers about controls, features, accuracy, and local browser saving.

What is the 4:3 aspect ratio in pixels?
The 4:3 ratio means that for every 4 units of width, there are 3 units of height. Common pixel resolutions for 4:3 include 2732 × 2048, 2048 × 1536, 1440 × 1080. Any resolution where Width / Height ≈ 1.33 maintains this exact proportional shape.
Where is the 4:3 aspect ratio most commonly used?
4:3 (1.33:1) was the original broadcast television and computer monitor standard for decades and remains the ergonomic standard for Apple iPad screens. Typical use cases include Apple iPad and iPad Air standard display ratio, Classic television series & retro video games, Micro Four Thirds (MFT) mirrorless camera sensors, Presentation slide decks (Standard 4:3 PowerPoint / Keynote), Vintage CRT monitors and arcade emulation.
How do I calculate missing dimensions for 4:3?
To find the height for any given width in 4:3, divide the width by 1.3333: Height = Width / 1.3333. Conversely, to find the width from a known height, multiply by 1.3333: Width = Height × 1.3333.
What is the decimal equivalent of 4:3?
The decimal equivalent of 4:3 is 1.33:1 (or approximately 1.3333). This decimal multiplier represents the width relative to a normalized height of 1.
How can I resize an image or video without stretching?
Use our pre-locked calculator above. Simply type your desired target width or height, and the corresponding dimension will be calculated automatically to preserve the exact 4:3 proportion with zero stretching or distortion.

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