Question: 1 1 2 cups lemon juice how many lemons?
Answer: How many lemons for 1/2 cup juice (and more): You need 4 medium lemons or 3 large lemons to get 1/2 cup of juice (4 ounces). You need 3 medium lemons or 2 large lemons to get 1/3 cup of juice (2.66 ounces).