Diagonal Formula:
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The screen diagonal is the measurement of a screen's size from one corner to the opposite corner. It's the standard way to describe screen sizes for TVs, monitors, and mobile devices.
The calculator uses the Pythagorean theorem:
Where:
Explanation: The formula calculates the hypotenuse of a right-angled triangle formed by the width and height of the screen.
Details: Screen diagonal is the standard measurement used to compare display sizes across different devices and aspect ratios.
Tips: Enter width and height in the same units (inches, centimeters, etc.). Both values must be positive numbers.
Q1: Why is screen size measured diagonally?
A: Diagonal measurement provides a single number that represents screen size regardless of aspect ratio, making comparisons easier.
Q2: Does aspect ratio affect the diagonal measurement?
A: No, the diagonal is independent of aspect ratio. Two screens with the same diagonal can have different widths and heights.
Q3: What units should I use?
A: Any consistent units can be used (inches, cm, etc.). The result will be in the same units as your input.
Q4: How accurate is this calculation?
A: The calculation is mathematically precise. Any inaccuracy would come from imprecise width/height measurements.
Q5: Can I use this for non-rectangular screens?
A: No, this calculator is designed for standard rectangular displays. Curved or non-rectangular screens require different calculations.