Half Letter Size Paper In Pixels. 279 mm = 27,9 cm dimensions of letter format in mm: 1.2 mb 563 pixels x 750 pixels:
A4 paper size in pixels. Minimum required image dimensions for quality; (letter size is also known as american quarto outside the usa).
A5 shouldn’t be confused with half letter page size:
That depends on the resolution that you use to print. Minimum required image dimensions for quality; The length divided by the width is 1.4142; Letter size paper is 8 1/2 by 11 inches.