KDP File Size Calculator
Here’s a table summarizing important information about Kindle Direct Publishing (KDP) file sizes, formats, and guidelines:
| Aspect | Details |
|---|---|
| Maximum File Size | 650 MB for eBooks and 2 GB for paperbacks |
| Recommended File Size | Less than 10 MB for eBooks for quicker upload and processing; smaller files ensure faster downloads |
| Supported Formats | eBooks: MOBI, EPUB, DOC, DOCX, HTML, PDF; Paperbacks: PDF |
| Image Resolution | 300 DPI for cover images; recommend using dimensions that match Kindle specifications (e.g., 2560 x 1600 pixels) for optimal quality |
| Images and Graphics | Keep image sizes under 5 MB each; use JPEG or TIFF formats for covers |
| KDP Print Cover Guidelines | Use a PDF file for cover; dimensions must match the trim size of the book, including bleed specifications |
| Formatting Tools | KDP provides tools like Kindle Create and Kindle Previewer to check file formatting and appearance |
| Testing Files | Always preview your book using KDP’s tools to ensure formatting appears correctly on all devices |
| Metadata Considerations | Larger files may lead to issues with metadata or content updates, so keep file sizes manageable |
Additional Notes
- Content Upload: It is important to optimize your content and images to keep file sizes within recommended limits for better performance.
- Conversion Process: KDP converts files upon upload, which may affect how images and formatting appear.
- Multiple File Uploads: For complex projects (e.g., with large images), consider breaking content into smaller files if feasible.