Tank Tips: Armor

Have you ever wondered if getting more armor means that you will live longer?

The answer is that armor has no diminishing returns in the amount of increased time alive you will receive from each incremental increase in armor. In this example, a 2500 AC increase gives you 0.21 seconds of life at a health of 15000.

Graphically:
While this excellent post also arrives at the same conclusion, the method involves some advanced math.