The following are the maximum file sizes you can store in Google Drive:

Documents

• ​Up to 1.02 million characters.
• If you convert a text document to Google Docs format, it can be up to 50 MB.

Spreadsheets

• ​Up to 10 million cells or 18,278 columns (column ZZZ) for spreadsheets that are created in or converted to Google Sheets.
• Up to 10 million cells or 18,278 columns for spreadsheets imported from Microsoft Excel. The limits are the same for Excel and CSV imports.
  • When you convert a document from Excel to Google Sheets, any cell with more than 50,000 characters will be removed in Sheets.

Presentations

• ​Up to 100 MB for presentations converted to Google Slides.

Google Sites (new)

• Up to 15,000,000 characters per page.
• Up to 40,000,000 characters per site.
• Up to 10,000 pages per site.
• Up to 15,000 images per site.

All other files 

• ​Up to 5 TB.