Interpretting the Rolls

Even though it uses 3d6 to roll abilities, the d20 system uses 22 point ability stats for the common range. That's 20 points between least (3) to greatest score (22). This is easily converted.

First, Star Frontiers uses 5 point increments on stat bonuses and the like, so it's easy to convert and use the 1 point increments of the d20 system, because 1 point from d20 equals 5 points from Star Frontiers.

When rolling, in Star Frontiers, you are looking for the lowest roll for a success, whereas, in d20, you are looking for the highest roll. Thus when you want a 20 or less to hit in Star Frontiers, you want a 17 or better in d20.

Roll the ability for your character or compare your existing character's abilities to the following table to convert it to the target system:

Roll Conversion Table
d100
Penalty
d100Bonus
01-05
-9
51-55
+1
06-10
-8
56-60
+2
11-15
-7
61-65
+3
16-20
-6
66-70
+4
21-25
-5
71-75
+5
26-30
-4
76-80
+6
31-35
-3
81-85
+7
36-40
-2
86-90
+8
41-45
-1
91-95
+9
46-50
0
96-00
+10

Translating Star Frontiers' 8 abilities to d20's 6 abilities and back again isn't too hard, but things can be lost in translation, so be sure to always keep your original character around.

STR is equal to Str
STA is equal to Con
DEX is equal to Dex
RS is equal to Reflex (only when translating from d20 to Star Frontiers)
INT is eqaual to Wis
LOG is equal to Int
PER + LDR/2 is equal to Cha

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