For that reason the normal standard is 61.5 m. Modern pool tables range in size from 3.5 f by 7 f , to 4.5 f by 9 f. Modern cue sticks are generally 58.5 i long for pool while cues prior to 1980 were designed for straight pool and had an average length of 57.5 i , while carom billiards cues are generally 56 i long . Modern pool tables range in size from 3.5 f by 7 f , to 4.5 f by 9 f. Modern cues are generally 58.5 i long for pool while cues prior to 1980 were designed for straight pool and had an average length of 57.5 i , while carom billiards cues are generally 56 i long .