Many people new to Mason jars are curious to know: How many ounces are in a Mason jar?

The answer is: It depends on what size Mason jar you’re asking about.

For instance, the most popular jar is the pint-sized Mason jar. In this case, a pint jar has 16 ounces (about 473 milliliters).

However, Mason jars come in various sizes to suit different purposes. These standard sizes of Mason jars include:

  1. 4-ounce Mini Jars (118 milliliters): Small and often used for storing herbs and spices, homemade herbal remedies, and honey.
  2. 8-ounce Half Pint (237 milliliters): These jars are great for jams, jellies, and preserves.
  3. 16-ounce Pint (473 milliliters): A versatile size, they’re often used for canning fruits and vegetables and serving drinks.
  4. 24-ounce Pint and a Half (710 milliliters): These jars are excellent for preserving pickles, sauces, and more.
  5. 32-ounce Quart (946 milliliters): Quart jars are commonly used for pickles, tomatoes, and large quantities of sauces.
  6. 64-ounce Half Gallon (1.89 liters): They are typically used for canning juices, storing dry goods, and fermenting.
  7. 128-ounce Gallon (3.79 liters): The largest standard size, these jars are less common for home canning due to their size but are fantastic for bulk storage.

These sizes suit different needs, from small batches of homemade preserves to larger quantities of sauce. Remember, your chosen size will depend on your plan to keep, preserve, or store.