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Ziploc bag sizes

Resealable storage bags come in snack, sandwich, pint, quart, gallon and two-gallon sizes. The everyday two are quart (7 × 8 in) for leftovers and single servings and gallon (10.5 × 11 in) for freezing and meal prep — a gallon holds about four times a quart. Store-brand bags match these dimensions, so the names work across brands. Below is the full chart, plus the cheapest real cost per bag we track.

SizeDimensions (W × H)Best for
Snack6.5 × 3.25 inSnacks, crackers, small toys, cables
Sandwich6.5 × 5.9 inSandwiches, halved produce, single portions
Pint~7 × 6 inSmall leftovers, nuts, spice portions
Quart7 × 8 inLeftovers, marinating, freezing single servings
Gallon10.5 × 11 inMeal-prep portions, freezing, general storage
Two-gallon13 × 15 inBulky items, brining, large produce, bedding

Dimensions are the common Ziploc values; store-brand and generic bags match them closely. Cheapest cost per bag we track: $0.026 (median $0.14), live from Amazon US across 30 products — an overall figure, not per size.

Cheapest storage bags right now

Live from the catalog, ranked by real cost per bag — cheapest first.

Storage vs freezer — same size, different thickness

Quart, gallon and two-gallon bags come in both storage and freezer versions at the same dimensions. Freezer bags use thicker plastic and a stronger seal to resist freezer burn; storage bags are thinner and cheaper. Freeze in freezer bags; use the cheaper storage bag for dry snacks and short-term fridge use.

See the live rankings

Cheapest storage bags by real cost per bagOpen What unit price means, and why it beats sticker priceRead

Frequently asked

What are the standard Ziploc bag sizes?▾

The common sizes are snack (about 6.5 × 3.25 in), sandwich (6.5 × 5.9 in), pint (~7 × 6 in), quart (7 × 8 in), gallon (10.5 × 11 in) and two-gallon (13 × 15 in). Snack and sandwich bags are the fold-top or single-zipper kind; quart, gallon and two-gallon come in both storage and thicker freezer versions. Store-brand and generic bags match these dimensions closely, so the size names are interchangeable across brands.

How big is a quart vs a gallon bag?▾

A quart bag is about 7 × 8 inches and holds roughly 4 cups — good for leftovers, marinating, or freezing a single serving. A gallon bag is about 10.5 × 11 inches and holds roughly 16 cups — made for meal-prep portions, freezing in bulk, and general storage. A gallon bag holds about four times what a quart bag does, which is why gallon is the workhorse size for freezing.

What is the difference between storage and freezer bags?▾

Same dimensions, different thickness. Freezer bags use a thicker plastic (higher mil rating) and a more robust seal to resist freezer burn and cracking at low temperatures; storage bags are thinner and cheaper, fine for pantry and fridge use. If you're freezing, the freezer bag is worth it; for dry snacks and short-term fridge storage, the cheaper storage bag does the job.

How much should a storage bag cost?▾

Across the storage bags we track, cost per bag runs from about $0.026 at the cheapest to a $0.14 median. The number to compare is cost per bag (box price ÷ bag count), not the box price — big "value" boxes and store brands are almost always the lowest per bag, and the small checkout box is the most expensive way to buy them.