Screen Size Calculator
Calculate screen width and height instantly using this free online screen size calculator.
Screen Size Calculator
Calculate accurate screen dimensions
Screen Dimensions
20.92″ × 11.77″
Width × Height
How to Use This Screen Size Calculator
1. Enter your screen size in inches.
2. Select the aspect ratio.
3. Get the exact screen width and height instantly.
Screen Size Formula
This calculator uses the standard screen dimension formula based on diagonal size and aspect ratio.
Common Screen Aspect Ratios
| Aspect Ratio | Usage |
|---|---|
| 16:9 | Modern TVs & Monitors |
| 4:3 | Old Screens |
| 21:9 | Ultrawide Monitors |
| 1:1 | Square Displays |
Frequently Asked Questions
How do I calculate screen dimensions?
Enter the diagonal screen size and choose the aspect ratio to calculate width and height automatically.
What is the most common screen ratio?
16:9 is the most common aspect ratio for TVs, laptops, and monitors.
Is this screen calculator accurate?
Yes, this calculator uses the standard mathematical screen dimension formula.