Interesting fact: Lettuce looks big but is mostly loose leaves and water, so weight depends heavily on the variety.
The answer: Typically, a head of lettuce weighs about 300 to 600 grams (11 ounces to 1.3 pounds). The exact weight depends on size, variety, preparation, brand, and how much edible or non-edible material is included.
Vegetables are awkward to weigh by eye because water content, trimming, and variety change the final number. A practical weight range helps with cooking, shopping, meal prep, and comparing nutrition portions without needing a scale every time.
