NERDfirst Combination Calculator

This page lets you calculate the number of possible combinations in a password, and how long it would take to enumerate all of them. This is a companion resource to the Brute Force Attacks video, hosted on 0612 TV. Like what you're seeing? Consider sending in a donation at!

Set Up Parameters

Number of Characters:

Usable Characters:

Enumeration Speed:


Possibilities Per Character:


Total Number of Combinations:

= 12345

Time Required to Enumerate:

÷ = 12345

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