Something like:

=IF(Contract<"",(J11*VLOOKUP(Contract,{"John",50; "Willey",20;"Ernst",500},2,0))*B11,"")

Mike B wrote:
I have three clients that get billed at different rates, here is the
formula I have

=IF(contract=John,(J11*50)*B11),IF(contract=Willey ,(J11*20)*B11),IF(contract=Ernst,(J11*500)*B11)

But I only get the rate for John? Can anybody fix this?

Thanks