A Sankey diagram needs three columns: source, target and value. Paste or upload them and ask for a Sankey diagram. Better Analyst draws each flow as a band whose width matches its value, so the biggest paths and drop-offs stand out.
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A small two-stage table in the format a Sankey diagram needs.
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A Sankey diagram is one of the most effective ways to visualize how data flows from one stage to another. It highlights the size of each flow using proportional lines, making it easy to see where things originate, where they go, and how much is moving between stages. If you are looking for a fast and simple Sankey diagram maker, this guide explains what it is, why it is useful, and how to create one instantly.
A Sankey diagram uses thick and thin flow lines to represent the volume moving between categories or steps. The width of each line is proportional to its value, which makes it easy to compare different pathways.
Sankey diagrams help you:
* Visualize flow between sources and destinations
* Show proportional relationships
* Highlight major contributors and outputs
* Understand system efficiency or losses
* Reveal how values break down through multiple stages
They are commonly used to show energy flows, customer journeys, budget allocations, and process transitions.
A good Sankey tool should allow you to:
* Paste or upload your source, target, and value data
* Automatically generate proportional flow lines
* Customize colors, labels, and layout
* Rearrange nodes easily
* Export your diagram for reports or presentations
Most Sankey diagrams require three columns: source, target, and value.
Sankey diagrams work best when you want to visualize how something moves through a system. Ideal examples include:
* Customer journey paths
* Website funnel flows
* Budget or resource allocation
* Energy or material flows
* Sales conversion steps
* Supply chain transitions
* Traffic from channel to outcome
If your data includes movement from one category to another, a Sankey diagram is the perfect visualization.
Instead of manually mapping flows or formatting nodes, you can generate a Sankey diagram instantly using AI.
In Better Analyst, simply paste your data and type:
"Create a Sankey diagram based on this data."
The tool identifies your sources, targets, and values automatically and builds a clean, interactive diagram in seconds.
Sankey diagrams are popular across business, engineering, analytics, and research. Common scenarios include:
* Showing how users move through product steps
* Breaking down marketing channels to conversions
* Visualizing budget distribution and reallocation
* Displaying energy input and output
* Mapping supply chain materials
* Highlighting drop-offs in a funnel
* Explaining complex process transitions
Sankey diagrams make it easy to see what is working, where losses occur, and how flows change across a system.
A Sankey diagram maker helps you visualize flows and transitions in a way that is clear, intuitive, and data driven. Whether you are analyzing a customer funnel, budget movement, or resource distribution, Sankey diagrams reveal insights that traditional charts miss. With modern AI tools, creating a Sankey diagram is as easy as pasting your data and asking for the visualization you want.
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