PixelConverter - 画像印刷サイズ換算 app for iPhone and iPad

It is a tool to mutually convert the print size of an image and the number of pixels. It helps to determine whether a date can be used as a publication or commercial print.
When you want to know the number of pixels required for the planed range of the printing, the print size from the number of pixels of an image and the print size from an image size displayed on a screen, this tool will be useful. It can also convert a paper size to the number of pixels.
How to use: first, you need to register print types such as color printing and gray printing and the corresponding printing resolution. Then this tool works according to the print type. It can also take the zoom ratio into account when you arrange an image to DTP software, etc.
In addition, it will be useful at the production scene of Responsive Web site. For example, you can know with this tool how many millimeters of arbitrary pixels are displayed on a screen.

Conversion function
Convert mutually pixel values to mm, cm, point, inch and pica
Convert an image size on a screen to the print size
Convert a paper size to the pixel values

Display of conversion result
The pixel value (the minimum value) are displayed as an integer rounded up to the nearest decimal point
The converted values (the maximum value) are rounded down to the second decimal place or the third place depending on the unit, e.g. mm

Customize
Registerable print DPI: 3 types. You can also set the name freely.
Registerable display PPI: 2 types. The name is able to be set freely, and to measure PPI in mm or in other units is also possible (a rough estimate). There is an option that you can also set a display as a conversion target device.
Unit: for the print size and the measurement of display width, it is selectable from 5 types each.
Condition: it is possible to set the zoom ratio when arranging an image to DTP software, etc.