Silver dollars are a popular coin among collectors and investors. The size of a silver dollar is important to know when it comes to collecting and investing. Knowing the size of a silver dollar can help you determine the value of the coin and how it fits into your collection.Silver dollars are a type of coin that was first minted in the United States in 1794. The size of a silver dollar is 38.1 millimeters in diameter and 2.8 millimeters thick. This size is slightly larger than a modern U.S. quarter, which is 24.3 millimeters in diameter and 1.75 millimeters thick.The size of a silver dollar is important to know when it comes to collecting and investing. Silver dollars are often graded on a scale of 1 to 70, with 70 being the highest grade. The size of the coin can affect the grade, as coins that are too small or too large may not be considered to be in perfect condition.The size of a silver dollar is also important when it comes to investing. Silver dollars are often bought and sold based on their size, as larger coins are more valuable than smaller coins. Knowing the size of a silver dollar can help you determine the value of the coin and how it fits into your collection.The size of a silver dollar is an important factor to consider when collecting and investing. Knowing the size of a silver dollar can help you determine the value of the coin and how it fits into your collection. With the right knowledge, you can make informed decisions when it comes to collecting and investing in silver dollars.