Looking to print 4x6" photos? On (ONE) 4 inch roll you will get 2,556” inches in length of 4” width paper. That will yield 426 4x6” photos per roll or 852 photos per 4” Case. On (ONE) 6 inch roll you will get 2,556” inches in length of 6” width paper. That will yield 639 6x4” photos per roll or 1,278 photos per 6” Case.