Let‘s look at why the jack was designated with this value, when it matters most in the game, how it impacts strategy, and examples of using its point value to your advantage as a blackjack player. So you can always count on the jack having a worth of 10 points in the game. This standard valuation is used in every variation of blackjack, whether you‘re playing in a brick-and-mortar casino or online.
Along with the king and queen, the jack is one of the 'face cards' that is assigned a value of 10 points. The short answer is that the jack is always worth 10 points in blackjack.