OSRS Wiki has a DPS calculator now, go check it out : r/2007scape
I made a quick calculator for CA diaries based on the information in the Poll 79 Blog. It will tell you what tier you've completed, and how close you are to the next tier! : r/2007scape
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Updated: OSRS DPS Calculator in web format - OSRS-Genie - (Bitterkoekje/koekenpan) : r/2007scape