yRuler is an online service that accurately shows how big/small products are. So you know exactly what to expect before purchasing products online! yRuler.com is based on unique technology that calibrates your display, and then shows a 3-D simulation of the product you’re looking for.
Enter the (Height)x(Width)x(Depth) of the product into the Size Viewer, once done, click Show Actual Size button to get a actual size 3-D simulation of the product you’re looking for.
The card is used only for its physical properties, specifically its width, which is used to calibrate the display. IMPORTANT: No identifying detail of your card is used or captured in any manner; hence you can use any card, as long as it is identical in size.
yRuler is designed to work with products at any size, even if they’re as big as your flat panel TV! When yRuler identifies product is too big to fit your screen, it will present it in comparison to and iPad, or any other familiar item.
yRuler unique technology is highly accurate, much more than using a physical ruler. Based on pixel level calibration, and thorough quality assurance procedures, yRuler accuracy as online ruler is 500 microns!