How much does a 32 ounces jar of spaghetti sauce serve?

A 32-ounce jar of spaghetti sauce typically serves about 4 to 6 people, depending on serving size and how much sauce is used per serving. Generally, a standard serving is around 1/2 to 1 cup of sauce per person when combined with pasta. If you're serving it with additional ingredients, such as meat or vegetables, the number of servings may vary.