The Morgan Silver Dollar is a popular coin among collectors. It was first minted in 1878 and is considered to be one of the most beautiful coins ever made. The size of a Morgan Silver Dollar is important to know when collecting or investing in these coins.The Morgan Silver Dollar is a large coin, measuring 38.1 millimeters in diameter and 2.5 millimeters in thickness. It weighs 26.73 grams, which is slightly heavier than a modern U.S. quarter. The coin is composed of 90% silver and 10% copper.To accurately measure the size of a Morgan Silver Dollar, you will need a caliper. This is a device that measures the length, width, and thickness of an object. Place the coin in the caliper and adjust the arms until they are snug against the edges of the coin. Read the measurement on the caliper and record it.It is also important to note the condition of the coin when measuring its size. A coin that is in good condition will have a slightly larger diameter than a coin that is worn or damaged. This is due to the wear and tear of the coin over time.Knowing the size of a Morgan Silver Dollar is important for collectors and investors. It can help you determine the value of the coin and make sure you are getting a fair price. With the right tools and knowledge, you can accurately measure the size of a Morgan Silver Dollar and make sure you are getting the best deal.