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Loaf Pan Size

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I am getting conflicting reports----Is a 9x5 loaf pan - a 1lb loaf pan or is that an 8.5x4.5? Is the top of the pan's width/length measured to determine size? Thanks much.

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  1. A one pound loaf pan is typically 8 1/2 x 4 1/2 inches. But you can easily prepare a one pound loaf in a 9 x 5 inch pan too. Unless you have a lot of experience with calculating the raw dough weight needed to provide a finished one pound loaf it's unlikely that you'll end up with a precise pound measure.
    The pan's measurements are taken across the top edges. If you want to calculate the capacity more accurately, measure the width/length of the bottom, then the width/length of the top. Add width to width and length to length and divide by 2. That's the average of the overall pan size. You can then multiply that number by the depth of the pan to determine it's cubic inch capacity. Can't understand what you'd do with all that data, but there it is.

    3 Replies
    1. re: todao

      Thanks for the great info. Much appreciated. Is the 8 1/2 x 4 1/2 ok to sub for recipes that call for 9x5? Wondering if I should send back or hold on to these.

      1. re: apple342

        My bread pans, old enough to have developed some pin holes in the corners, are 9x5. Actually, they're 9 3/16 x 5 7/32. In your place, I'd simply keep the pans and work with them regardless of how near they are the exact size suggested in a recipe. Many recipe writers include the measurements of the pans they have in their collection as a guide (so we don't try making the recipe in a demitasse cup ;>} ) and it is rare to find a recipe that doesn't have some flexibility in the size of the cooking vessel factored into it. We just don't want to try preparing a gallon of soup in a one quart sauce pan ;>}

      2. re: todao

        Actually a 9 x 5 pan is 38% larger than a 8.5 x 4/5 pan because there are 3 dimensions and you've used 2 you have to square the difference in the areas to know the difference in the volume. This shows 1.38 to 1.

      3. Personally, for loaf pans, I'd prefer a smaller size anyway. I only have one normal loaf pan (a 8.5x4.5" pan) and then a bigger silicone number that was given to me. I made loafs of sandwich bread last week and the one in the smaller pan was much more attractive because it filled the pan nicely.

        My vote goes to keep them.