# THE DEFINITION OF "R" IN PAPER SIZE

## Overview

To indicate paper that can be set either in the portrait or landscape orientation, "R" is added to the end of the paper size. The "R" indicates that the paper is set in the landscape orientation.

Paper that can be set either in the portrait or landscape orientation | Paper that can only be set in the landscape orientation
--- | ---
A4, B5, 8-1/2" × 11" | A3W, A3, B4, 12" × 18", 11" × 17", 8-1/2" × 14", 8-1/2" × 13"
Paper set in the landscape orientation | Paper set in the portrait orientation |

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