The 10 Most Terrifying Things About Paper Ream Understanding Paper Reams: A Comprehensive Guide Worldwide of workplace materials and printing, the term "paper ream" often shows up in discussions about quantities, measurements, and even expenses. Despite being a common term, many people may not fully understand what a ream of paper is, why it's measured in this way, or its significance in different contexts. This article aims to dissect the idea of a paper ream, explore its history, look into specs, and address some often asked questions. What is a Paper Ream? A paper ream traditionally includes 500 sheets of paper. This standardized amount has actually remained in use because the 15th century and helps simplify the purchasing procedure, whether for personal or service usage. The ream works as a constant system of step for purchasing paper, which can be found in various sizes, weights, and finishes. Table 1: Common Paper Sizes Size Measurements (inches) Dimensions (mm) Usage Letter 8.5 x 11 216 x 279 Requirement for letters and documents Legal 8.5 x 14 216 x 356 Common for legal documents A4 8.27 x 11.69 210 x 297 Global standard for documents A5 5.83 x 8.27 148 x 210 Utilized for smaller sized prints, notes, and cards Tabloid 11 x 17 279 x 432 Used for pamphlets and bigger formats The Evolution of the Ream The concept of the ream dates back to the time of handmade paper, when it was common to bundle sheets for ease of transport and sale. Initially, reams could consist of different quantities of sheets, including 480 and even 600 sheets, depending upon the region.