Mathhammer in your pocket! i40k is a probability calculator for the popular Games Workshop tabletop wargame Warhammer 40,000. Just enter the relevant statistics and the app does the rest - showing you Average Wounds.
On the Stats page, you will see a breakdown of how likely each outcome is - showing how luck can affect your rolls.
On the Roll page, you can simulate the actual dice roll to see what actually happens.
Please be aware that i40k does not guarantee dice rolls will be as fortuitous as predicted. Only the Emperor can guarantee victory.