Union and Intersection Calculator

Calculate union, intersection, and set differences for two sets.

Last updated: June 2026 | By Patchworkr Team

Set A

Set B

Calculation steps

Build each set from the comma-separated values.

Compute the union and intersection.

Compute the differences and symmetric difference.

Set operations

Results calculated below

Union

{ 1, 2, 3, 4, 5, 6 }

Intersection

{ 3, 4 }

Difference A - B

{ 1, 2 }

Symmetric Difference

{ 1, 2, 5, 6 }

What Are Union And Intersection?

Union combines all values from both sets, while intersection keeps only the values they share.

No. Sets are treated as unordered collections.

Yes. Duplicate values are ignored when the set is built.

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