7C3 — Combinations of 7 Things Taken 3 at a Time
7C3 equals 35 — there are 35 ways to choose 3 items from 7.
How to use this tool
- Enter n (total items) and r (items chosen) in the fields above.
- Results update instantly as you type — or click Calculate.
- Read your ncr and the full breakdown beneath it.
7C3 finds how many unique groups of 3 can be selected from 7 distinct items.
Frequently asked questions
- What is a combination?
- A combination is an unordered selection. nCr = n!/(r!(n-r)!). For example, C(5,2) = 10 — choosing 2 from 5 ignoring order.