1. What is Screen Diagonal?

The screen diagonal is the measurement of a laptop screen from one corner to the opposite corner, typically measured in inches. It's the standard way manufacturers specify screen size.

2. How Does the Calculator Work?

The calculator uses the Pythagorean theorem:

Where:

• \( \text{width} \) — Horizontal measurement of the screen (inches)
• \( \text{height} \) — Vertical measurement of the screen (inches)

Explanation: The diagonal forms the hypotenuse of a right triangle where width and height are the other two sides.

3. Importance of Screen Size Calculation

Details: Knowing the exact screen size helps when comparing laptops, determining viewing area, or when the manufacturer's stated size is unavailable or questionable.

4. Using the Calculator

Tips: Measure the visible screen area (not including bezels) in inches, entering both width and height. All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: Why measure just the visible screen?
A: The bezel (frame around the screen) isn't part of the viewable area, so only the active display area should be measured.

Q2: How accurate is this calculation?
A: It's mathematically precise if width and height measurements are accurate. Most laptop screens follow the 16:9 or 16:10 aspect ratio.

Q3: Can I use centimeters instead of inches?
A: Yes, but be consistent (use cm for both measurements) and remember 1 inch = 2.54 cm for conversion.

Q4: Why do manufacturers use diagonal measurement?
A: Diagonal measurement provides a single number that accounts for both width and height, making size comparisons easier.

Q5: Does this work for all rectangular screens?
A: Yes, this calculation works for any rectangular screen including monitors, tablets, and TVs, not just laptops.