Resolution Calculator Aspect Ratio

Resolution Formulas:

\[ \text{Resolution} = \text{Width} \times \text{Height} \] \[ \text{Height} = \frac{\text{Width}}{\text{AR}} \] \[ \text{Width} = \text{Height} \times \text{AR} \]

Calculate:

Width:

pixels

Height:

pixels

Aspect Ratio:

Result:

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1. What is a Resolution Calculator for Aspect Ratio?

Definition: This calculator helps determine resolution (width × height) or find missing dimensions based on aspect ratio.

Purpose: Useful for designers, photographers, videographers, and anyone working with digital displays or images.

2. How Does the Calculator Work?

The calculator uses these formulas:

\[ \text{Resolution} = \text{Width} \times \text{Height} \] \[ \text{Height} = \frac{\text{Width}}{\text{AR}} \] \[ \text{Width} = \text{Height} \times \text{AR} \]

Where:

Resolution — Total pixels (width × height)
Width — Horizontal dimension in pixels
Height — Vertical dimension in pixels
AR — Aspect ratio (width:height ratio, e.g., 16:9 = 1.78)

3. Common Aspect Ratios

Standard Ratios:

1:1 (Square) — AR = 1.0
4:3 (Traditional TV) — AR ≈ 1.33
16:9 (HD Video) — AR ≈ 1.78
21:9 (Ultrawide) — AR ≈ 2.33

4. Using the Calculator

Steps:

Select what you want to calculate (resolution, width, or height)
Enter the known values
The calculator will compute the missing value

5. Frequently Asked Questions (FAQ)

Q1: What is aspect ratio?
A: The proportional relationship between width and height (width:height).

Q2: How do I calculate aspect ratio?
A: Divide width by height (e.g., 1920/1080 = 1.78 for 16:9).

Q3: Why is resolution important?
A: Higher resolution means more detail, but also larger file sizes.

Q4: What's the difference between resolution and aspect ratio?
A: Resolution is total pixels, aspect ratio is their proportional relationship.

Q5: How do I maintain aspect ratio when resizing?
A: Use these formulas to calculate the new dimensions while preserving the ratio.