The conversion rate of $FET to $ASI is 1:1. Therefore, if the user has 500 $FET, then this can be converted to 500 $ASI tokens.
Ocean Protocol ($OCEAN) token holders will receive 0.433226 ASI tokens per $OCEAN token and SingularityNET ($AGIX) token holders will receive 0.433350 $ASI tokens per $AGIX token.