What is the acidity of Coke products?

Our variety of drinks range in acidity.

For a quick comparison, check out this table. It includes a few examples of beverages and common household items and their typical pH values.

pH is a measure of how acidic water-based substances are. It runs on a scale from 0 to 14.

  • 0 to 6 being the most acidic
  • 7 being neutral
  • 8 to 14 being the most alkaline


pH value



Approximate pH values

0 (most acidic)





Lemon Juice


Orange Juice, Soda, Carbonated Water


Tomato Juice


Black Coffee



7 (neutral)

Pure Water




Baking Soda









14 (most alkaline)

Drain Cleaner


Is coffee acidic?

The acidity of coffee can vary slightly based on how light or dark the coffee is and even how it’s brewed (hot- vs cold-brewed). For reference, regular black coffee has a pH of 5.


Is tea acidic?

Generally speaking, tea is mildly acidic (less so than coffee) and its pH value can vary. The addition of milk or lemon and how strong it’s brewed (with more or less water) can change its acidity. Even the type of tea and whether it’s sold in stores makes a difference. For instance, black tea has an average pH of 5, green tea is between 7 and 10, and lemon is about 3.


What about juices? Is apple juice acidic? Is cranberry juice acidic?

Fruit juice tends to be acidic. The acidity of apple juice and other juices like cranberry, lemon and orange can range in pH, approximately 2 to 4.


Is soda acidic?

You might be wondering about the pH of Coca-Cola or pH of Diet Coke. Soft drinks, in general, range along the pH scale anywhere from 2 to 5.


Should I avoid acidic foods and drinks?

It’s ok to have foods and drinks that might be acidic, but it’s important not to have them all the time. Here’s what we know: Any food or beverage that is acidic can contribute to tooth decay or dental erosion, particularly if you have it often. It’s important not to have them all the time. And if you do, brush your teeth regularly.

Acidic foods and drinks may also trigger acid reflux, which can lead to heartburn.  Should you experience either, please consult with your doctor.

For low acidity options, try our waters, like smartwater, DASANI or AQUARIUS Purified Water.


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