There's no easy way, and to be honest the hard way is not worth doing. Most people just use a value larger than 5. Some say 20, some say 30, some say 50.
Changing it is not going to magically fix your problems. It may help a little, but do not expect that you set it and your problem is fixed. It won't be.
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability