# Aspect Ratio

When enlarging or reducing the size of an image, to avoid the need to crop the image, you must maintain the aspect ratio. The aspect ratio of an image can be found by dividing the length of one side, by the length of the other side. One aspect ratio of an 8X10 print is .8, that is 8 divided by 10. Another is 1.25 or 10 divided by 8. The "correct" one to use depends one what you're trying to find.

For example, say you have a photo that is 8x10, and you want to enlarge it to "something" by 20. To find the "something" of your photo, while preserving the aspect ratio (nothing gets cropped), you do the following calculation:

```height = 8 / 10 x 20

height = 16```

You know two sides, 8" and 10". We'll call 8 the short side and 10 the long side.
Now you have to decide what new size one of the sides is going to become. Let's say the new long side is going to be 20". The calculation above gives you an answer of 16" for the new short side.

What if you know what you want the new short side to be, but need to figure out what the new long side should be? It's easy, use the same equation, but switch the 8 and the 10, and plug in the 16.

```height = 10 / 8 x 16

height = 20```

Instructions: Fill in both values on the left side of the equation with your starting measurements, then fill in one of the two values on the right side. To find the missing measurement click "calculate."

 short side = long side

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### Description from Merchant:

Our fine art printing process uses pigment based inks. Pigment printing processes have been utilized since the middle of the 19th century. The image stability of pigment printing is superior to that of any other method of printing. Pigment inks excel in permanence. A dye is molecularly soluble in its vehicle, but pigment is not. Pigment particles tend to be large enough to embed into the receiving substrate making them water-resistant. The particle nature of pigment inks ensures their archival superiority. A particle of pigment is less susceptible to destructive environmental elements than a dye molecule.

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