Calories in Starbucks Coffee Frappuccino with lactose-free milk match the standard order exactly, 212 in a Tall to 312 in a Venti, since Starbucks’ default milk here already runs lighter than whole milk.
A Grande holds at 283 calories with fat at 14g and sodium at 220mg, unchanged from ordering without naming the milk. Specifying lactose-free just guarantees the barista reaches for that carton specifically.
The low-fat milk version lands on the same numbers, or check whole milk for a slightly richer pour.
Coffee Frappuccino® - lactose-free milk Nutrition Facts
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Coffee Frappuccino® - lactose-free milk
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Long-Term Health Impact
After 1 Week
Drinking a daily Grande Coffee Frappuccino® - lactose-free milk adds 1981 calories to your week — about 381 minutes of brisk walking to offset.
After 1 Month
Over a month, that's 8490 calories — roughly 2.4 lb of potential weight gain if it isn't offset by activity.
After 1 Year
Over a year, a daily Grande Coffee Frappuccino® - lactose-free milk totals 103295 calories and 12.0kg of sugar — equivalent to about 1033 miles of jogging to burn off.

