What is Image Resolution Calculator?

It calculates aspect ratio and missing dimensions for images and videos.

How do I find a missing dimension?

Enter the known width or height, then input the desired aspect ratio to calculate the other dimension.

Is it accurate for all resolutions?

Works well with common ratios like 16:9 but may have minor discrepancies for less standard ones.

Are there similar tools available?

Yes, many online calculators exist, but this one offers a user-friendly interface and no signup needed.

All calculations are done locally in your browser; no personal information is stored or transmitted.

Image Resolution Calculator

Calculate megapixels, file size estimates, and print dimensions from image resolution

Widthpx

Heightpx

Bit Depth

Print DPI

Related Tools

Aspect Ratio Calculator

Calculate aspect ratios

Resolution Converter

Convert DPI/PPI

About This Tool

The Image Resolution Calculator computes the aspect ratio from width and height, or finds a missing dimension given one of them. Perfect for photographers, videographers, and web developers.

Input either two dimensions to calculate the third, or use it to verify an image's aspect ratio matches your requirements. The tool outputs the calculated value in pixels or inches.

Use this tool when resizing images, ensuring videos fit screens, or confirming proportions are correct before publishing online content. All calculations occur locally within your browser without any data being sent out.