Aspect Ratio Calculator

How to Use This Tool

Enter your current width and height to set the base ratio. You can also choose a preset from the dropdown for common ratios like 16:9, 4:3, 1:1, and more. This saves you manual entry.

Step-by-Step Instructions

1. Enter the original width and height. These numbers set the initial ratio. Defaults are 16 and 9.

2. Select a preset if you want a common ratio. The dropdown includes options such as 16:9, 4:3, 1:1, 21:9, 9:16, and 3:2.

3. To adjust the size, input a new width to calculate its matching height or input a new height to calculate the matching width.

4. Click the button next to the input field to get the result.

Understanding the Input Fields

The tool has clear fields for all values. The "Width" and "Height" boxes collect your current measurements.

The "New Width" and "New Height" boxes calculate the adjusted size based on your original ratio.

The preset dropdown simplifies the process when you use standard ratios.

Interpreting the Output

The result section shows the calculated new dimension. It displays a message with the exact value.

A visual side-by-side comparison shows two rectangles. One rectangle reflects the original ratio and the other shows the new size.

Limitations and Special Notes

The tool rounds results to two decimal places. Use positive numbers only.

This tool focuses on calculating ratios. It does not convert units like pixels or inches.

Common Use Cases

This calculator is handy for image resizing and video formatting. It is useful in web design and media projects.

Photographers, designers, and students often use it for quick dimension adjustments.

Try the tool to quickly adjust measurements while maintaining your original aspect ratio.