What is Combinations?

Calculate Combinations (nCr) - the number of ways to choose objects where order DOES NOT matter. Example: Choosing 3 toppings for a pizza from a list of 10.

When to Use This Tool

1Poker hand odds
2Team selection
3Lottery probability

Formula Used

nCr = n! / [r! (n-r)!]

Examples

Input

Choose 3 from 5

Result

10 combinations

Frequently Asked Questions

Can n be smaller than r?

No, you cannot choose more items than exist in the set.

Privacy & Security

Privacy is our priority. Unlike many other online tools, ToolsHub doesn't upload your data to any server. Whether you're processing sensitive text, calculating financial data, or generating passwords, everything stays in your browser.