|   | 1 |  initial version  | 
In SageMath 7.3, there is a tool to convert Sage worksheets to Jupyter notebooks:
1/ Run
sage -n export --list
to get the list of your Sage worksheets, the item no. XX being displayed as
admin:XX   | name_of_the_worksheet
2/ Convert the worksheet no. XX to Jupyter format (ipynb) by
sage -n export --ipynb=output_name.ipynb admin:XX
 Copyright Sage, 2010. Some rights reserved under creative commons license. Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license.
 
                
                Copyright Sage, 2010. Some rights reserved under creative commons license. Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license.