**Tip:** Click red-underlined numbers to visualize them on the ruler. Try this one: 16.4

Divide up a tier or page into equally-sized sections, taking gutter width into account.

For example, to find the height of four equal-height tiers, on a page 12 inches high, with .25 inch gutters, you would enter: 12, 4, 0.25

Section length:

Resized Width =

Resized Height =

To reverse this operation, scale to xx%

Calculate enlargement or reduction sizes.

New dimensions: 17 x 22.

The aspect ratio is x

This is a 200% change.

To reverse this operation, scale to xx%

Calculate the digital dimensions for an image of a certain size.

Pixel dimensions are 4000 x 22000.

This is a 10 megapixel image.

Calculate the sizes a digital image can be reproduced at.

At 100 DPI, this image will reproduce at 8.5in × 11in.

Calculate the "live area" of a page (page size - margin).

The live area of this page is 10 × 20.

The aspect ratio of the live area is 1.5

Calculate the size at which to work when drawing full-bleed artwork (page size+bleed area)

The dimensions of the full-bleed artwork are 10 × 20.

The aspect ratio of the full-bleed artwork is 1.5