View Actual Size Ruler
Pictures. It uses the canvas element. This is an online ruler (centimeters, millimeters) can be adjusted to the actual size, before you use it, please set of pixels per inch in your own device, but also can be adjusted by reference.
It uses the canvas element. Get ruler can help you determine the actual size that you need for a table, envelope, or even your cooking book. Top 10 actual size online rulers.
I would like my photoshop rulers to show actual inches.