How Big Is a 16 oz Jar: Dimensions, Capacity, and What It Holds?

A 16 oz jar is a 1-pint jar holding 473 mL, typically about 5.1 to 5.6 inches tall and 3 inches wide — though exact size shifts with shape and mouth type.

For the full breakdown, see our best 16 Oz Glass Jars With Lids guide.

Two jars both stamped 16 oz can sit an inch apart on your shelf, and neither label is lying. The number on the glass names the volume of liquid the jar holds, not its exterior footprint, so a squat wide-mouth salsa jar and a tall regular-mouth canning jar can share the same capacity while wearing completely different dimensions.

That distinction matters the moment you’re matching lids, measuring cabinet space, or filling jars for canning. Here’s what 16 ounces actually means in practice, the real measurements behind it, and what fits inside once you put the ruler away.

What Does 16 oz Actually Mean on a Jar?

In US jars, 16 oz refers to 16 fluid ounces — one pint, or 473 milliliters. It is a volume measurement, not a weight, which is why a jar of honey and a jar of pickles can both be sold as 16 oz while weighing very different amounts on a scale.

Mason-jar charts and product specs commonly label this size simply as “pint.” Search for a pint jar and you’ll land on the same 16 oz listings, because in canning vocabulary the two terms describe one container.

One wrinkle worth knowing: nominal capacity and overflow capacity are not identical. A 16 oz jar’s spec sheet may list an overflow volume of 16.81 fl. oz., meaning the jar physically swallows a bit more than its name suggests when filled clear to the lip. Nominal capacity reflects a proper fill line with headspace left for processing or a lid.

Typical 16 oz Jar Dimensions: Height and Width

Most 16 oz jars measure roughly 5 to 5.6 inches tall and about 3 inches in diameter, but the range widens by style. A regular-mouth mason jar listing from Ball measures 5.3 in H x 3.0 in W, while other 16 oz regular mason listings come in around 5.6 in H x 3 in W x 3 in D.

Canning jars add their own variation. A standard 16 oz glass canning jar from Uline measures 5 1/4 inches with the lid on and 5 1/8 inches without it, with an opening diameter of 2 3/4 inches. Another regular-mouth mason listing sits at 5.13 in H x 3 in D.

Notice the pattern: height moves more than width. Jar makers hold the diameter close to 3 inches so the jar stays graspable, then stretch the body upward to reach 16 ounces. Wide-mouth versions trade some height for a broader opening, which changes the silhouette without changing the capacity.

Do All 16 oz Jars Fit the Same Lid?

No — and this trips up more people than any other detail. Jars sold as 16 oz come in both regular-mouth and wide-mouth versions, and the opening specs differ by finish size. A regular-mouth mason jar and a wide-mouth jar of identical capacity take entirely different lids.

One 16 oz mason listing specifies screw bands of 3 inches, compatible with threaded 3-inch lids. Uline’s 16 oz canning jar lists a 70/450 lid finish and a 60 mm opening diameter. Same capacity, different threads.

The practical rule: buy lids matched to your jar’s mouth type and finish number, not to its ounce size. If you’re stocking up on 16 oz glass jars with lids, checking the mouth spec first saves a return trip. When in doubt, measure the opening across the threads with a ruler — that number settles it faster than any label.

What Fits in a 16 oz Jar?

A 16 oz jar handles one pint of just about anything pourable, scoopable, or layerable. Sizing guides and product pages consistently put beverages, canning projects, salsa, pickles, overnight oats, dry goods, sauces, pantry staples, and drinkware on the list.

To picture the volume: that’s two US cups, or the standard size of a jar of salsa or a pint of cherry tomatoes. It’s enough for one generous serving of overnight oats, a cup and a half of dry rice with headroom to spare, or a full batch of refrigerator pickles made from a single cucumber.

• Canning and preserving: the classic pint-jar size for jams, jellies, and pickles.
• Meal prep: overnight oats, yogurt parfaits, and layered salads travel well.
• Dry storage: spices, grains, seeds, and coffee in a cabinet-friendly footprint.
• Drinkware: smoothies, iced coffee, and infused water.
• Gifting: sauces, body scrubs, and small-batch treats in a reusable vessel.

Because the diameter holds near 3 inches across most styles, a 16 oz jar also nests predictably — cabinet shelves, fridge doors, and cupboard bins built for pint jars tend to accept them without a fight.

The short version: 16 oz means one pint of liquid volume, roughly 5 to 5.6 inches tall, about 3 inches wide, and dependent on mouth type for lid fit. Measure your jar’s opening before buying lids, and the rest takes care of itself.