You can see which resolution you should use in your images for specific screen frequency, pixel dimension of the picture and document size in specific resolution and in any color depth.
With Resolution Calculator you can see
– at what resolution should an image be scanned when aiming for a certain line density
– image pixel size and document size at a specific resolution and in different color depths (1-bit, grayscale, RGB, CMYK)
– the number of grayscale levels in an image at a given printer resolution
Resolution Calculator is made for educational use.
You can drag a picture file on the Resolution Calculator window and the program will show the width and height of the picture in pixels.
You can enter the dimensions of the image in pixels or enter the number of megapixels and aspect ratio of the image. The program calculates the the horizontal and vertical sizes of the image.
Fields for calculating the printed size of the digital photographs.
English, French and Finnish localizations.
Freeware
Resolution Calculator 4.0
macOS 14.6.–
For older operating system versions MacOS X 10.11.–
Resolution Calculator 3.7