Subset Calculator

Calculate the number of subsets and proper subsets in a set.

Last updated: June 2026 | By Patchworkr Team

Set elements

Calculation steps

Count the elements in the set.

Subsets = 2^n = 8.

Proper subsets = 2^n - 1 = 7.

Set size

3 elements

Total subsets: 8

Proper subsets: 7

What Is a Subset?

A subset is any collection formed from elements of the original set.

No. Subsets are about membership, not order.

Yes. The empty set is a subset of every set.

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