Is 9 by 5 Inside or Out? Not One Best Loaf Pan Listing Says

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Loaf recipes are written for a pan size, usually 9 by 5 inches or 8½ by 4½, and the two are not interchangeable: by our arithmetic, a 9 by 5 inch top opening is about 18% larger in area. So you need to know which size a pan is, and which edge that size is measured from.

Not one of ten best-placed loaf pan listings tells you the second part. Six of the ten give two sets of figures that do not agree. The GoodCook 9 by 5 has 9 by 5 in its title and 11.0 by 6.0 by 2.55 inches in its spec table. Only the USA Pan 1145LF gives the same 9 by 5 by 2.75 inches in its bullet and its spec table. Three give no nominal size at all.

So this guide reads every size exactly as printed, recording nominal size, spec-table dimensions, depth and capacity, and which of them conflict. We also log material, coating and PFAS claims, oven limit, pack count, dishwasher claim and warranty. Star ratings and review counts were not captured for this roundup; popularity below is Amazon’s Best Sellers Rank only.

Our Quick Picks

At a Glance

Ten Loaf Pans, With Every Size Exactly as Printed

The first column is the size each listing leads with; where a second figure disagrees, it is in the detail card. No listing says whether its size is inside or outside, so check capacity in the next column too.

#	Model	Size as Stated	Capacity	Oven Limit	Best Sellers Rank	Standout	Main Drawback	Check Price
1	USA Pan 1145LF	9 x 5 x 2.75 in	1.25 lb	Not stated	#1,079 overall	Bullet and spec table agree; PTFE and PFOA free	No oven limit or dishwasher claim	View on Amazon
2	GoodCook 9 x 5 (04026)	9 x 5 in; spec 11 x 6 x 2.55	Not stated	Not stated	#1,007 overall	Limited lifetime warranty; dishwasher safe	Coating unnamed; title and spec differ by 2 in	View on Amazon
3	Razab Glass 2 Pack	11 x 6 x 3 in (spec)	1.9 qt / 7.6 cups	500°F	#1,276 overall	Only glass oven figure; lids included	Lids not oven or microwave safe	View on Amazon
4	OXO Glass (11249200)	6 x 10 in marking	1.6 qt	Oven safe, no figure	#707 overall	Freezer to oven stated; OXO guarantee	Spec-table dimensions cannot be right	View on Amazon
5	Amazon Basics 2 Pack	9.5 x 5 in; spec 10.6 x 6 x 2.8	Not stated	428°F	#1,234 overall	Two pans and a stated oven limit	No warranty; item count field says 1	View on Amazon
6	USA Pan 1146LF-6	8 x 4.5 (title); 8.5 x 4.5 x 2.75	Not stated	Not stated	#2,999 overall	The 8½ x 4½ size, Americoat silicone	Title and bullet disagree on length	View on Amazon
7	GoodCook 8 x 4 2 Pack (04244)	8 x 4 in; spec 10.2 x 4 x 4	Not stated	Not stated	#229 overall	#1 in Loaf Pans; metal spatula safe	Smallest size here; no warranty stated	View on Amazon
8	Nordic Ware Naturals 1.5 lb	9.75 x 6 x 2.75 in (spec)	1.5 lb	Not stated	#3,093 overall	Uncoated aluminium; made in USA; lifetime	Hand wash only; no nominal size	View on Amazon
9	OXO Ceramic 1 lb (11447500)	Not stated	1 lb	Not stated	#1,215 overall	Ceramic coat on aluminized steel	No dimensions, oven limit or warranty	View on Amazon
10	Wilton Gold Mini, 8 Cavity	15 x 10 x 1.6 in overall	Not stated	450°F	#827 overall	Only PFAS-free claim; 10-year warranty	Mini loaves only; cavity size not given	View on Amazon

Best Sellers Ranks and specifications are taken from each manufacturer’s Amazon listing as displayed on 5 October 2026 through a United States connection, and may change. Sizes are as printed. No listing here says whether a figure is the top inside, the base or the outside of the pan. Where a title and a spec table disagree, the title figure is shown first. The OXO glass dish’s spec table gives 0.98 by 2.17 by 3.35 inches, which cannot describe a 1.6 quart dish, so the 6 by 10 inch marking quoted in its bullets is shown instead. The Razab and Nordic Ware listings give no nominal pan size, so their spec-table figures are shown and marked. The Wilton figure is the whole eight-cavity pan; no cavity size is given. Capacities in pounds describe a loaf weight and capacities in quarts describe volume; the two do not convert. The Amazon Basics title says set of two while its item-count field says 1. Ranks are overall Best Sellers Ranks as returned on 5 October 2026. Nine pans were sold by Amazon.com at capture; the Razab was sold by Razab HomeGoods. Star ratings and review counts were not captured for any product here.

Scroll the table sideways to see every column

How We Chose These Ten

We researched current listings, compared manufacturer specifications and documentation, and read each listing’s claims about size, capacity, material, coating and care line by line. We did not carry out hands-on testing, and nothing below is presented as measured performance data. Star ratings and review counts were not captured for this roundup. We used Amazon Best Sellers Rank, buy-box stock and listing specifications instead, and nothing on this page describes or implies how owners have scored these pans.

• Loaf pans only — every product is a rectangular pan sold for bread, meatloaf or pound cake, in metal or glass, including one eight-cavity mini-loaf pan. Pullman pans with sliding lids, silicone moulds and disposable foil pans were not in the running.
• New units only — every buy box here was a new product, in stock, at capture.
• Sizes recorded exactly as printed — the title size, the bullet size, the size field and the spec-table dimensions, each logged separately. Where two disagree we report both. Where a listing says whether its figure is inside or outside, we would have recorded that too; none does.
• Capacity in the listing’s own unit — quarts, cups, millilitres or pounds, as printed. Converting quarts to cups is simple arithmetic and is labelled as ours. Pounds of loaf and quarts of volume are not converted into each other.
• Material and coating as named — glass, aluminized steel, steel, carbon steel or aluminium, and the coating by name where the listing gives one. A chemical-free claim is logged in the listing’s exact words, PFAS, PTFE, PFOA or BPA, because they are not the same claim.
• Oven limit as a number — a pan that says “oven safe” without a temperature is recorded as no figure.
• Pack, dishwasher and warranty in the listing’s words — including the cases where a dishwasher-safe pan recommends hand washing, and where a guarantee heading gives no terms.
• Model numbers compared — three brands appear twice, and we checked each pair’s model numbers to confirm that none is the same pan listed twice.
• Popularity from Best Sellers Rank only — quoted exactly as returned on 5 October 2026, overall and in the category Amazon assigned.

The Ten Loaf Pans in Detail

Ten Sizes, and Not One Says Which Edge

The table below sets out every size figure each listing gives, in the field it appears in. No listing in this roundup says whether a figure is the top inside, the base or the outside. The last column is our reading of what the figures most likely mean, and it is only a reading.

The count is stark. Of ten listings, one gives a single consistent size. Six give two sets of figures that disagree. Three give no nominal pan size, relying on a spec table or nothing. And zero say which edge they measured. A shopper with a recipe that says “9 by 5 inch loaf pan” can find exactly two listings that use those words, the USA Pan 1145LF and the GoodCook 04026, and one of those has an 11 by 6 inch figure in its spec table.

The gaps point one way, but only point. On the GoodCook 9 by 5 and the Amazon Basics, the spec table runs about an inch wider and one to two inches longer than the title. A loaf pan with a flat rim or end tabs is always larger outside than in, so the pattern is consistent with the title being the inside. It is also consistent with the title being the base, which on a pan with sloped walls is smaller than the top opening. The listings do not settle it, and on a sloped pan the difference between top and base can be half an inch or more each way.

Why the edge matters. Recipes, by convention, mean the top inside. A pan that is 9 by 5 at the base flares wider at the top; a pan that is 9 by 5 outside is smaller than 9 by 5 inside. Either way, the batter depth changes, and with it the bake time and how high the loaf domes. The simplest fix is a ruler: measure across the top, inside the rim, and use that figure.

9 by 5 or 8½ by 4½: What the Half Inch Is Worth

American loaf recipes are mostly written for one of two pans, and the difference looks small on paper. Our arithmetic, using each nominal size as if it were the top inside, shows how far apart the sizes on this page really are.

Five nominal sizes on five listings. Only two pans share one, the 9 by 5. The rest are a half inch here, a half inch there, and the half inches add up: the largest nominal size on the page has nearly half as much top area again as the smallest, by our arithmetic. Put the same batter in each and it would stand about 48% taller in the 8 by 4 than in the 9.5 by 5, if the walls were straight.

What that means at the oven. A 9 by 5 recipe in an 8½ by 4½ pan fills it about 18% deeper. A quick bread may rise over the rim, and the centre will take longer to set while the edges darken. An 8½ by 4½ recipe in a 9 by 5 pan bakes lower, browns sooner and domes less. Yeast-bread recipes often prefer the smaller pan for a taller loaf; quick breads and pound cakes are more often written for the 9 by 5. Check the recipe before you check out.

Depth is the third number, and it is more consistent. Where a depth is given, it runs from 2.55 inches on the GoodCook 9 by 5 to 3.0 on the Razab glass, with both USA Pans and the Nordic Ware at 2.75. The Wilton’s 1.6 inches is the mini tray. Depth matters less than length and width for fitting a recipe, but a shallow pan holds less, and the GoodCook’s 2.55 is the figure to watch if you bake to the rim.

Capacity: Quarts, Pounds and Silence

Volume is the other way to size a loaf pan, and in some ways the better one, because a recipe’s batter fills a volume regardless of shape. Five of the ten listings state a capacity. They use two units that do not convert into each other.

The glass pans give volume, the metal pans give weight. Both glass listings state quarts; three metal listings state pounds. A pound figure is a loaf weight, the weight of dough or bread the pan is meant for, and how much volume that takes depends on the recipe. Bread machines size their loaves the same way, which is why a 1.5 pound machine recipe will usually suit a 1.5 pound pan. The bread machine roundup sets out those loaf sizes if you are moving recipes between the two.

Only one pan gives both a size and a capacity. The USA Pan 1145LF says 9 by 5 by 2.75 inches and 1.25 pounds. That makes it the one listing you can use as a reference for the others: if a 9 by 5 by 2.75 inch pan is a 1.25 pound pan, the Nordic Ware’s 1.5 pounds suggests a slightly larger inside, and the OXO ceramic’s 1 pound a smaller one. That is an inference across two brands, not a conversion, and each brand may use its own convention.

A box gives a ceiling. By our arithmetic, a straight-sided 9 by 5 by 2.75 inch box holds about 8.6 US cups and an 8½ by 4½ by 2.75 inch box about 7.3 cups. Real pans have sloped walls and rounded corners, so they hold less. On that basis the Razab’s stated 7.6 cups is in 9 by 5 territory and the OXO glass’s 6.4 cups is nearer the 8½ by 4½, though neither listing gives an inside size to confirm it.

Material, Coating and What Each Claims to Be Free Of

Four materials appear on the page, and seven of the ten pans carry a coating. The table records each listing’s exact wording for the material, the coating and any chemical-free claim.

The count by material. Three aluminized steel, three plain or carbon steel, two aluminium, two glass. One ceramic coating, two silicone, four unnamed nonstick, three uncoated. For the best glass loaf pan, the choice is between two borosilicate dishes; for the best bread pan in metal, the choice is mostly about coating and size.

Only two of seven coated pans say what the coating is free of. The Wilton says “Made Without PFAS”, the broadest claim on the page. The USA Pan 1145LF says PTFE, PFOA and BPA free, which is narrower: PTFE and PFOA are members of the PFAS family, not the whole of it. The other five coated pans make no claim either way, including the OXO ceramic, which is the kind of coating usually sold on that point, and the USA Pan 1146LF-6, which uses the same named coating as its sibling without repeating the claim. Three pans have no coating at all and so nothing to claim. If PFAS matters to you, the safest reading of this page is that the Wilton, the Nordic Ware and the two glass pans are the only ones that answer the question in writing or by having no coating.

Colour changes the bake. Dark nonstick pans, like the GoodCooks and the Amazon Basics, absorb more oven heat and brown crusts faster. Light pans, like the bare Nordic Ware, the silver USA Pans and the light-interior OXO ceramic, brown more gently. Glass is slower to heat and holds heat longer, which is why the Razab listing recommends lowering the oven by 25°. None of this is in a spec table, but it is why two pans of the same size can bake the same recipe differently.

Oven, Dishwasher, Pack and Warranty

The last four checks are the ones that decide how a pan fits a kitchen. The listings answer them unevenly.

Three oven figures in ten. The Razab says 500°F, the Wilton 450°F and the Amazon Basics 428°F. The OXO glass says oven safe without a number. Six say nothing about the oven at all, which on a loaf pan is a strange silence: it is the one appliance the product exists for. Most loaf recipes bake at 350°F to 375°F, inside every stated limit here; the figure matters for lean breads started hotter, and for nonstick coatings, which have a ceiling whether or not the listing prints it.

Five say dishwasher safe, and two of them advise against it. The Wilton, the OXO glass and the Razab (top rack) say dishwasher safe plainly. Both GoodCooks say dishwasher safe and then recommend hand washing for a longer life. The Amazon Basics recommends hand washing; the Nordic Ware insists on it. Three listings, both USA Pans and the OXO ceramic, say nothing.

Three two-packs, and one is in doubt. The GoodCook 8 by 4 and the Razab glass come in pairs, and the Razab adds lids. The Amazon Basics says set of two in its title and bullet, and 1 in its item-count field. The Wilton is a single tray with eight cavities. Everything else is a single pan.

Four real warranties, one guarantee, one heading. Limited lifetime on the USA Pan 1145LF and the GoodCook 04026; lifetime on the Nordic Ware; limited 10-year on the Wilton. OXO’s glass dish carries the OXO Better Guarantee, a repair-or-replacement promise without a term. The Razab has a bullet headed “RAZAB BETTER GUARANTEE” that describes the design and gives no terms. Four listings state nothing: the GoodCook 8 by 4, the Amazon Basics, the USA Pan 1146LF-6 and the OXO ceramic. Note that the warranty does not follow the brand: each brand that appears twice has one listing with a warranty or guarantee and one without.

Three Brands Twice, No Pan Twice

Three brands supply two pans each. A shopper scanning titles might take each pair for the same product in two listings. The model numbers say otherwise.

The GoodCook pair shares copy, not a pan. Both listings describe a pan for “meatloaf, sweet or savory breads, thick cakes or brownies, smaller portions of lasagnas or casseroles”, both say heavy-duty steel and scratch-resistant nonstick, and both say dishwasher safe with hand washing recommended. The sizes, pack counts and warranty fields differ, and so does the manufacturer field: Bradshaw International on one, Bradshaw Home on the other.

The USA Pan pair is the closest. Same material, same Americoat coating, same ridged design, model numbers one apart. But the 1145LF is the 9 by 5 and states its capacity, its free-of claim and its warranty; the 1146LF-6 is the 8½ by 4½ and states none of the three. If you need both sizes, they are a matched pair; if you need the documentation, it is on the 1145LF.

The OXO pair is two different products under one handle style. One is glass, sized in quarts and guaranteed; the other is ceramic-coated metal, sized in pounds and without a stated guarantee. They share a brand and a Good Grips name, and nothing else on the page.

Best Alternatives

What Each Step Up Actually Buys

The plain steel nonsticks — GoodCook 8 x 4, GoodCook 9 x 5, Amazon Basics. Dark nonstick on steel, sold by Amazon.com, three of the best category ranks on the page. The GoodCook 9 by 5 buys the standard size and a limited lifetime warranty; the 8 by 4 two-pack buys a metal-spatula-safe claim and the best rank; the Amazon Basics buys two pans and a stated 428°F. None names its coating or makes a PFAS claim.

The aluminized steel pans — USA Pan 1145LF, USA Pan 1146LF-6, OXO ceramic. Stepping up to aluminized steel buys a named coating on all three: silicone on the USA Pans, ceramic on the OXO. The 1145LF adds the only consistent size on the page, a capacity, a PTFE and PFOA claim and a limited lifetime warranty; the 1146LF-6 adds the 8½ by 4½ size; the OXO adds rounded corners and a light interior, without a printed size.

The aluminium pans — Nordic Ware, Wilton. Bare aluminium on the Nordic Ware buys no coating at all, a lifetime warranty and US manufacture, at the cost of hand washing and greasing. Coated aluminium on the Wilton buys the only PFAS-free claim, a 450°F limit and a 10-year warranty, in a mini-loaf tray.

The glass pans — OXO, Razab. Glass buys a pan you can see through, freeze in and bake from cold, with no coating to wear. The OXO adds a freezer-to-oven shock claim and a guarantee; the Razab adds two pans, lids, the largest stated capacity and the only glass oven figure, 500°F.

Brand does not buy documentation here. The best-documented pan on the page, the USA Pan 1145LF, sits beside a sibling that states no capacity, warranty or free-of claim, and the least-documented, the OXO ceramic, shares a brand with a glass dish that carries a guarantee. Material, coating and brand are what you choose between; the size you have to confirm yourself.

What to Check Before You Buy

Match the Size to Your Recipes

Look at the pan size in the recipes you bake most. If they say 9 by 5, the USA Pan 1145LF and the GoodCook 04026 are the two listings that use those words. If they say 8½ by 4½, the USA Pan 1146LF-6 is the only one, by its bullet. An 8 by 4 or a 9.5 by 5 is a third size, and will change bake times.

Assume Nothing About Inside or Outside

No listing here says which edge it measured. Where the spec table is an inch or two larger than the title, the title is probably the inside, but that is a reading, not a fact. On arrival, measure across the top, inside the rim, and write the figure on a label if the pan is not marked.

Use Capacity as a Cross-Check

Five listings state a capacity. Quarts or cups measure volume: about 8 cups suits a 9 by 5 recipe and about 6 an 8½ by 4½, as a rough guide. Pounds measure loaf weight: the USA Pan calls its 9 by 5 a 1.25 pound pan. Do not convert pounds to cups; they measure different things.

Read the Coating Claim Word for Word

“Made Without PFAS” (Wilton) is a broader claim than “PTFE, PFOA and BPA free” (USA Pan 1145LF). Five coated pans here make no claim at all. If coating chemistry matters, buy a listing that answers it in writing, or buy uncoated aluminium or glass.

Find the Oven Limit, or Assume a Low One

Three listings give one: 500°F on the Razab, 450°F on the Wilton, 428°F on the Amazon Basics. For the other seven, keep to ordinary loaf temperatures and ask the seller before baking hotter or putting a nonstick pan under the grill.

Check the Dishwasher Line to the End

Two of the five dishwasher-safe pans recommend hand washing in the same sentence. The Nordic Ware says hand wash only. If the dishwasher is non-negotiable, the Wilton and the two glass pans say dishwasher safe without a caveat.

Look for a Warranty With Terms

Three pans say lifetime or limited lifetime, one says limited 10-year, one carries OXO’s repair-or-replacement guarantee. Four state nothing, and the Razab gives a heading without terms. Within each brand pair here, only one listing carries the warranty, so check the exact pan you buy.

Once the loaf is out, it needs air under it to keep the base from steaming; our cooling rack guide covers the racks that fit a loaf pan’s footprint. A good loaf also needs a knife that will not crush it, and our bread knife roundup covers serrated blades. To keep it fresh for the days after, see the bread box guide.

Common Mistakes

• Assuming 9 x 5 is the inside. No listing here says so, and the GoodCook 9 x 5’s spec table reads 11 x 6 inches.
• Treating 9 x 5 and 8½ x 4½ as the same. By our arithmetic the 9 x 5 has about 18% more top area.
• Buying the best seller for a 9 x 5 recipe. The #1 pan in Loaf Pans is an 8 x 4, about 29% less top area by our arithmetic.
• Converting pounds to cups. Three listings give loaf weight (1 to 1.5 lb), two give volume (1.6 and 1.9 qt); they measure different things.
• Reading PTFE-free as PFAS-free. Only the Wilton says Made Without PFAS; the USA Pan 1145LF says PTFE, PFOA and BPA free.
• Assuming two pans with one brand are one pan. The GoodCook, OXO and USA Pan pairs all carry different model numbers and sizes.
• Taking dishwasher safe at face value. Both GoodCooks say dishwasher safe and recommend hand washing in the same sentence.
• Baking hot without a stated limit. Seven of ten give no oven temperature; the lowest stated is 428 degrees F.

Who Should Buy Which

Buy the USA Pan 1145LF if you bake from 9 by 5 inch recipes and want the facts in writing. The one consistent size on the page, 9 x 5 x 2.75 inches, a 1.25 lb capacity, a PTFE- and PFOA-free silicone coating and a limited lifetime warranty. Accept that it gives no oven limit or dishwasher claim.

Buy the GoodCook 9 x 5 if you want the standard size, a warranty and the dishwasher on a budget. 9 x 5 in the title, limited lifetime warranty, #3 in Loaf Pans. Accept an 11 x 6 inch spec table, an unnamed coating and no oven limit.

Buy the Razab glass pair if you want glass with a number on it. Two 1.9 qt (7.6 cup) pans, lids, and 500°F stated. Accept a third-party seller, lids that stay out of the oven, and no warranty terms.

Buy the OXO glass dish if you freeze and bake from cold. Freezer to oven without cracking, 1.6 qt, dishwasher safe and the OXO Better Guarantee. Accept no oven temperature and a 6 x 10 inch marking you should measure against.

Buy the Amazon Basics pair if you bake two loaves at once. Two 9.5 x 5 inch pans and a stated 428°F. Accept no warranty, hand washing, and an item-count field that says 1.

Buy the USA Pan 1146LF-6 if your recipes say 8½ by 4½. The only pan here in that size, by bullet and spec table. Accept a title that says 8 x 4.5 and no warranty or free-of claim.

Buy the GoodCook 8 x 4 two-pack if your recipes are small. The best rank on the page, two pans, metal spatula safe. Accept the smallest full-size pan here and no stated warranty.

Buy the Nordic Ware if you want bare metal and a lifetime warranty. Uncoated aluminium, a steel rim, made in the USA, 1.5 lb capacity. Accept hand washing and greasing, and no nominal size.

Buy the OXO ceramic only after you know its size. A ceramic coat on aluminized steel, rounded corners and a 1 lb capacity, with no dimensions, oven limit or warranty in the listing.

Buy the Wilton mini-loaf pan if you want eight small loaves and a PFAS-free coating. 450°F, dishwasher safe and a limited 10-year warranty. Accept that it does not bake a full-size loaf.

Frequently Asked Questions

Final Verdict

Ten loaf pans, five nominal sizes, and not one listing says which edge it measured. Six give two sets of figures that disagree, three give no nominal size, and only the USA Pan 1145LF gives one size, 9 by 5 by 2.75 inches, in every field. For a product that exists to match a recipe’s pan size, that is the gap that matters most.

The other answers are patchy too. Five state a capacity, in quarts or pounds that do not convert. Three give an oven limit. Two of seven coated pans say what the coating is free of, and only one says PFAS. Five say dishwasher safe, two of them while recommending hand washing. Four carry a warranty with terms. And the three brands that appear twice each sell two different pans, with the warranty on only one of them.

So buy a loaf pan by your recipe, and check it with a ruler. Decide between 9 by 5 and 8½ by 4½ first; the half inch is about 18% of top area. Use capacity as a cross-check where it is stated. Read the coating claim word for word, find the oven limit or assume a modest one, and measure across the top inside when the pan arrives.

If you buy one loaf pan from this page, make it the USA Pan 1145LF: the only listing whose 9 by 5 by 2.75 inch size agrees with itself, with a stated 1.25 pound capacity, a named PTFE- and PFOA-free coating and a limited lifetime warranty. If the budget is tight, the GoodCook 9 by 5 gives the standard size and a warranty; if you want glass, the Razab pair gives the capacity and the temperature the OXO leaves out.