Skip to content
Excel

COMBIN function in Excel

Returns the number of combinations for a given number of objects

=COMBIN(number, number_chosen)

COMBIN syntax and parameters

Two arguments, two required.

  • numbernumberRequired

    The number of items.

  • number_chosennumberRequired

    The number of items in each combination.

COMBIN examples

Formulas you'll actually reuse.

  1. Head-to-head matches among B2 teams:

    =COMBIN(B2, 2)

    Result45

  2. Lottery odds — ways to pick 6 numbers out of 49:

    =COMBIN(49, 6)

    Result13983816

COMBIN in Google Sheets

Same name — your formula ports as-is.

Try COMBIN in the playground

Edit the example — nothing to install.

Preloaded with the COMBIN formula from Example 1 — change anything and watch it respond.

Loading the editor…

Related functions

More ways Excel gets this done.