One tablespoon has 2g of fat (one of which is saturated) and contains 0.6g of carbs. Want a coffee half and half 2 splenda serving size to fit your carbs limit? Ultimate Guide To Carbs In Coffee And How To Order Coffee Charts How many carbs in a cup of half and half? How many carbs in coffee with half and half . However, the trick is that the food manufacturers in the us can call their product zero carbs, if it contains less than 0.5 grams of carbs per serving. Many keto dieters replace half and half with heavy whipping cream, assuming it has zero carbs. Depending on the desired macros, this could be up to 5% of the daily allotment of carbs. Simply stated, you’ll reduce your fat intake in favor of sugar and fats. Plain half and half can align with a ketogenic lifestyle, but most flavored coffee creamer varieties in stores are not considered keto. One tablespoon of half and half contains 0.6 total grams of carbohydrates. Half & half is.6 carbs per tbsp (9.6 car...