To Calculate Odds You First Need The Number of Winning Cards, or "Outs". Find your Texas Hold'em outs. Part 3. Using The "Outs" To Calculate Texas Hold'em. The previous article explained how to calculate pot odds in your head at the table. Implied odds change the game of No-Limit Hold'em greatly. In fact, having What Are the Odds? A List of Long-Shot Odds in Texas Holdem. Learning how to properly count your outs and calculate poker odds is a fundamental requirement of Texas Hold'em. While the math used to calculate odds might.