8C4 — Combinations of 8 Things Taken 4 at a Time
8C4 equals 70 — there are 70 ways to choose 4 items from 8.
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.
8C4 calculates the number of unordered ways to select 4 items from a set of 8.
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.