qertcodes.blogg.se - Basis weight conversion

In the UK and America the pound is also used to help express pressure, with pounds per square inch (p.s.i.) an accepted standard. The pound has historically been the means of describing the weight of shot or shells in weaponry, and the weapons themselves came to be named after the ammunition they would fire, for example a 32-pounder. Despite broad acceptance of the metric system of weights and measures, the pound continues to be used in English-speaking countries. Scientific applications use the pound to describe mass, whilst everyday use sees it as a measure of weight.

Shakespeare's character Shylock famously asked for "a pound of flesh" as assured security for a loan.

Anglers will often express the size of a fish caught in terms of pounds and ounces.

In the UK and Ireland, foodstuffs commonly sold by the pound prior to the adoption of the metric system are still sold in quantities equivalent to the old imperial standard, such as butter, which is most usually sold in 454 g (1lb) packets.

In English-speaking countries a person's weight is commonly expressed in stones and pounds, although in the United States this is usually expressed purely in pounds.

The United States and countries of the Commonwealth of Nations agreed common definitions for the pound (and the yard) that were adopted in 1959 (UK 1964). The UK Weights and Measures Act of 1878 first defined the imperial pound in terms of metric units (1lb = 453.59265g), and in 1893 the Mendenhall Order defined the United States pound by describing a kilogram as equivalent to 2.20462 pounds. 373g), most often as a mass measurement for precious metals.

One variation still used today is the Troy pound (approx. In the UK numerous different systems using the pound have co-existed, although the avoirdupois pound (also known as the wool pound) has been the most commonly used and long-lasting (abbreviated to lb av or lb avdp). Although the exact mass defined as a pound has varied from system to system, they have been broadly similar, usually between 350 and 560 metric grammes. Throughout history the pound (or its local translation) has been used as a measurement of weight in many different parts of the world, including The United Kingdom, France, Germany, Scandinavia and Russia. Definitions: Basis Weight The basis weight of a paper is the designated fixed weight. The name pound is an adaptation of the Latin phrase libra pondo, or a pound weight, the Roman libra (hence the symbol lb) weighed approximately 329 grammes. Now you can compare various types of paper and their Equivalent Weights. The imperial (avoirdupois, or international) pound is officially defined as 453.59237 grams. The pound is a measurement of mass used in the imperial system, and is accepted on a day-to-day basis as a unit of weight (the gravitational force acting on any given object). U.K., U.S.A, Australia, Canada, New Zealand et al.The following table shows the relationship between paper weight and ream weight:Īsterisks (*) indicate the most common weights for that category. Ream weight (lb.) = paper weight (g/m 2) × dimension of paper (m 2/sheet) × 500 (sheets)

Ream weight can be calculated using the following equation: The basic sizes for each grade are as follow: The basic size varies depending on the type (grade) of paper. Ream weight is the weight in pounds of 500 sheets of the paper. Paper weight is the weight of one square meter of a sheet of paper, measured in units of g/m 2. The weight of paper is measured as paper weight or ream weight.