5.5 or 7.25 quarts — the number Le Creuset tells you to check, and does not print

The number on the box, and the number in your arms

Two sizes account for most of the argument in this category, and Le Creuset publishes almost everything you need to settle it. Capacity: 5.5 quarts against 7.25. Servings: 5-6 against 7-8. Price at the maker’s own listing: $455.00 against $500.00. Interior diameter: 10.2 inches against 11.0. Exterior footprint: 13.9 inches long against 14.8.

Then its own buying guide ends on this, about sizing up: “when looking at anything over 7 quarts in size you will want to be sure that this size of Dutch oven will fit in your oven comfortably, and also that you can lift it when it is filled to the brim.”

Which is good advice, and points at a number the product pages do not contain. We read several colours of both sizes. The words lb, lbs and kg do not appear on them.

What Le Creuset does say

The rule first, in the maker’s words: “The general rule of thumb is to plan for one quart per person, and then round up. One quart roughly translates into a typical serving size for most people.” For a family of four that lands, by its own arithmetic, “somewhere in the 5-6 quart capacity.”

And the 5½ quart round is one of the two sizes it names as most popular, because it offers “the most flexibility for most people… not too small, not too big, not too heavy and fit in most home ovens.” Note which three of those four criteria are about handling rather than cooking.

What Staub says that Le Creuset does not

Staub publishes weight, to the hundredth of a pound. Its 5.5 quart round cocotte is 12.82 lbs; its 7 quart is 15.43 lbs. The step between them is about two and a half pounds — of empty pot, before a shoulder of anything goes in.

That is the missing number, borrowed. It is not Le Creuset’s figure and we do not present it as one; the two makers’ pots are dimensionally close but not identical. What it gives you is the scale of the thing Le Creuset told you to check.

There is a second, quieter disagreement worth having in front of you. Le Creuset calls 5.5 quarts “5-6 Servings.” Staub calls its 5.5 quarts “generously serves 3-5.” Same capacity, two makers, two answers separated by up to three people. Read a servings figure as an opinion about portion size, not a measurement — and if your household sits near the boundary, notice that the two opinions bracket you rather than agree.

The decision, then

For most households it is the 5.5. The maker’s own guide points there for a family of four, its servings figure leaves room, and it is the size Le Creuset itself describes as not too heavy and as fitting most home ovens. At $455.00 it is also the cheaper pot, though $45 is not what should decide a purchase kept forty years — the Dutch oven record worked that out at roughly $7.50 a year, and the sizes barely move it.

Take the 7.25 if you routinely cook for seven or more — and then do the two checks Le Creuset asks for, in this order. Measure your oven for a pot 14.8 inches long before you think about the food. Then decide, honestly, whether a pot that starts near fifteen pounds empty is one you will lift twice a week for a decade or one that will live at the back of a low cupboard. The enamelled iron in the Dutch oven record outlasts its first owner. Whether it gets used for those years is settled here, by arms rather than appetite.

One more thing the size question does not settle: which maker. That is the interior finish — Le Creuset’s pale enamel that shows you the fond against Staub’s matte black that hides the wear — and it is taken up, with the lifetime warranty’s first-owner clause, in the Dutch oven record.