A good EL Calculator?

[Lord Loss]

Are there any truly functional EL calculators ?(that WOTC one sais that 7 CR 1 creatures are a challenge to an EL 7 Party . Right.) or is there a rule of thumb I can follow to calculate CR that I'm unaware of?

[Kaww]

If I use one I use this one...

http://www.penpaperpixel.org/tools/d...calculator.htm

But I ignore the difficulty given both here and in the DMG. CR1 can under really good circumstances be much more challenging than CR 4 opponents. + you should do CR by yourself, not by the book. If it is tough it gets better CR then something chars defeat easily.

Example clerics and undead...

[Prime32]

Extrapolating from the books:

Tripling the number of creatures increases CR by +3 (apply first)
Doubling the number of creatures increases CR by +2
Creatures more than eight levels above or below the PCs do not grant XP.

By those formulas, you should send nine CR 1 enemies after an lv7 party.

[Lord Loss]

Extrapolating from the books:

Tripling the number of creatures increases CR by +3 (apply first)
Doubling the number of creatures increases CR by +2
Creatures more than eight levels above or below the PCs do not grant XP.

By those formulas, you should send nine CR 1 enemies after an lv7 party.

Ah. I stand corrected. Thanks!

@Kaww I really like your calculator. I'll be using it from now on.