: Photoshop Indesign / Photoshop Placement issue I have a bit of an issue that I was wondering someone might have the answer to. I'm working with some images, that are 24mm x 17mm (they're really

@Alves566

I believe this is the best you can do. It is an expected rounded error coming from converting from mm to inch:

(17 mm * 3600 pixels/inch) / 25.4 inch/mm ≈ 2409.4488 pixels

Since we can only have whole pixels, the number is rounded down to 2409 pixels. This doesn't give us exactly the 17 mm we wanted:

(2409 pixels / 3600 pixels/inch) * 25.4 mm/inch ≈ 16,997 mm

But, there is nothing we can do about it. If we make the image 1 pixel taller we get:

(2410 pixels / 3600 pixels/inch) * 25.4 mm/inch ≈ 17,004 mm

Which is 0.001 mm less precise.

The conclusion is that at the chosen resolution it isn't possible to make an image exactly 17 mm tall. It is a bit annoying, but you shouldn't worry too much. It will not be possible for the customer to see or measure an inaccuracy of 0.003 mm.

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