Grammage is specified in avoirdupois pounds and the sheet count of a paper ream is usually 500 sheets. However, the mass specified is not the mass of the ream that is sold to the customer. Instead, it is the mass of the uncut "basis ream" in which the sheets have some larger size (parent size). Often, this is a size used during the manufacturing process before the paper was cut to the dimensions in which it is sold. So, to compute the mass per area, one must know The standard dimensions and sheet count of a ream vary according to the
Norman B. Ream from its fire in 1871. Additionally, he served on the Board of Trustees of the Field Columbian Museum in Chicago. Meanwhile, his wife attended fundraisers for Bryn Mawr College, a women's college in Bryn Mawr, Pennsylvania. Ream married Caroline Thompson Putnam in 1876 in Madison, New York. They resided at 1901 Prairie Avenue in Chicago. They had several children. One of his sons, Robert Ream, married Mabel Wrightson, the daughter of Reverend W. G. Wrightson and sister of Harry Wrightson, in Cuckfield, West Sussex, in 1907. Another son, Louis, who graduated from Princeton University and worked for the New York