Graph Bank is an online database of graphs.
A graph is a mathematical structure comprising from objects (vertices) and their inter-relations (edges).
In the Graph Bank, you can search graphs by their characteristics.
Graph Bank pre-collects hundreds of famous or important graphs from various sources, including SageMath.
You can contribute to the database by uploading your graphs.
Currently featured are the order-degree problem and the degree-diameter problem solutions.
Explore the world of graph!

Graph Bank is organized by:

If you have questions, please contact us.


Graph Bank shall not be held responsible for the accuracy or usefulness of the contents of the website.

By submitting a graph to Graph Bank the contributor agrees that:

  • Permission for unrestricted redistribution of the graph is granted to Graph Bank.
  • The contributor shall not assert any rights regarding the profits obtained by using the graph.


If you publish papers by using materials obtained from Graph Bank, please include the URL of the Graph Bank in reference or acknowledgement.


Graph Bank is built with: