How much is a pack of Pokémon 151 worth on average?

Using TCGplayer's cited 151 pull rates and today's market prices, the hits in an average 151 pack are worth about $7.93. The whole set (one of each of 207 priced cards) is worth $1,649.90, and the top card, Charizard ex, is $323.37 (19.6% of the set's value).

Most packs are worth less than the average, because a few expensive pulls raise it. Run 1,000s of simulated packs in the simulator, or see the 151 card list.