โ Math
Combinations Calculator
Combinations count selections where order does not matter โ a hand of cards rather than a sequence of them. The formula is the binomial coefficient, and it appears throughout probability and statistics.
How it works
Total items (n)
Items chosen (r)
Combinations
Permutations
Combinations with repetition
Frequently asked questions
How do I use the Combinations Calculator?
Fill in the fields above โ the result recalculates instantly as you type. Everything runs in your browser, so the values you enter are never collected or stored.
Is this calculator free?
Yes. It is completely free, requires no account, and works on phones, tablets and desktops.