Clone of
Just the calc. No analytics or other stuff.

For selfhosters: DOWNLOAD zip, unpack, install node, run `npm start`.

To any Firefox 3.5 user: Firefox's new Javascript engine "Tracemonkey" which was recently implemented appears to have some (calculator relevant!) bugs. If you want to properly use this calculator, you will have to switch to the older Javascript engine. To do so, enter about:config in your address bar and set javascript.options.jit.content to false. Please restart Firefox after that
Added all changes up until 2010-06-03 (all correct KVM overupgrade bonuses), PLUS! finally got around to adding many iRO specific gears - one note though: be aware that savefiles with any of those gears equipped will get corrupted (in the sense that you won't have that gear equipped anymore) everytime I merge a new update from the original calcx!

RO Calculator



Weapon Settings

Monster Combat Simulation


By Place


Ragnarok Online (c) Gravity Corp. & Lee Myoungjin(studio DTDS). All Rights Reserved.
Original simulator created by ROratorio, translated and adapted by Doddler.
Latest updates/translations by Gandi.