Image Size Calculator
Estimate image memory requirements with the free Image Size Calculator. Enter pixel dimensions and supported color-depth settings to calculate the approximate uncompressed image size. Use the result when planning graphics workflows, application memory usage and image processing tasks. Actual file sizes can differ because compression, image format and metadata affect the stored file size.
What is Image Size Calculator?
Estimate uncompressed image size with this free online Image Size Calculator. Enter pixel dimensions and supported color-depth settings to calculate approximate memory requirements for an image. Use the result when planning image processing, graphics workflows, and application memory usage. Remember that the actual stored file size can differ significantly because image format, compression, and metadata affect the final file.
Why use this tool?
- Edit or convert an image without installing software.
- Preview the result before you download it.
- Prepare images in the sizes and formats a website or platform needs.
How to use Image Size Calculator
- Step 1. Choose or upload an image.
- Step 2. Set the options the tool offers and run it.
- Step 3. Check the preview, then download the result.
Common use cases
Important notes
- Keep a copy of the original file, because some changes cannot be undone.
- Quality and file size depend on the format and settings you choose.
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Image Size Calculator FAQ
What is Image Size Calculator?
Estimate uncompressed image memory requirements from pixel dimensions and color depth for web development, graphics, applications and image processing.
Do I need an account to use Image Size Calculator?
No. You can use it without creating an account.