Cocoa and Chocolate Substitutions

Source: Betty Crocker

Semisweet baking chocolate:
1 oz = 1 oz unsweetened baking chocolate plus 1 Tbsp sugar

Semisweet chocolate chips:
1 cup = 6 oz semisweet baking chocolate, chopped

Unsweetened baking chocolate:
1 oz = 3 Tbsp baking cocoa plus 1 Tbsp vegetable oil or melted shortening or margarine