[booger]

online it is easy to tell what your max bet can be. If you play in a casino or with friends the easiest way is to multiple the last bet or raise by 3 and add it to what is currently in the pot. example: blinds are 5/10 utg can make it 35 (3x10=30 plus 5=35) next raise 3x35=105+10+5=120 etc....