conversion cost

15 LETTERS · STARTS WITH C

conversion cost is a valid 15-letter word worth 21 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

C3O1N1V4E1R1S1I1O1N1C3O1S1T1

3 + 1 + 1 + 4 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 3 + 1 + 1 + 1 =21 PTS

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does conversion cost mean?