Collider Count can track your server's current colliders and work out an estimated amount of days till you will need to wipe, based on the average amount of colliders being added to your server daily.
To get as close an estimate as possible I ran a test server of a map, seed 24222 chosen at random, at sizes 1000, 2000, 3000, 4000, 5000, 6000, 7000 and 8000. I did this to get the starting collider count (intital colliders) on that server as a fresh map. Then I worked out the average amount...