The 2010 Manganese-brass are 26.5mm
for example
Older coins are different size
US silver dollar coins from 1873 to1978 are 38.1 mm in diameter. In 1979 they were reduced to 26.5 mm in diameter.
The volume of a standard U.S. dollar coin, such as the Sacagawea or Presidential dollar coin, is approximately 26.49 cubic centimeters (cm³). These coins have a diameter of 26.5 mm and a thickness of 2.00 mm. The volume can vary slightly depending on the specific design or any variations in minting processes.
The diameter of a loonie, which is the Canadian one-dollar coin, is 26.5 millimeters. It is made of a nickel-brass alloy and features a distinctive design, including a common loon on one side.
A US dollar coin dated 1797 is a Draped Bust dollar. If you actually have a dollar coin dated 1797, take it to a coin dealer for an accurate assessment. The coin is rare.
The Australian One Dollar coin weighs 9 grams, is 25mm in diameter and is 3mm thick. Figure it out.
The 5 cent coin is smaller in diameter than the Two Dollar coin. The Australian 5 cent coin is 19.41 mm in diameter. The Australian Two Dollar coin is 20.62 mm in diameter.
The Diameter is 30.6mm.
US silver dollar coins from 1873 to1978 are 38.1 mm in diameter. In 1979 they were reduced to 26.5 mm in diameter.
1.5 inches, or 38.1 millimeters.
The Two Dollar coin was the most recent addition to Australia's circulating coinage and had to fit in with, and be distinguished from, 7 existing types of circulating coin. Circulating coins are no longer made of precious metals, so there is no longer a need to make them to any particular size for any particular metal or denomination. There was also a need to consider the visually impaired. The Two Dollar coin is slightly larger than the 5 cent coin and slightly smaller than the 10 cent coin, and significantly thicker than both.
The circumference of an Australian 1 Dollar coin is approximately 25.00 mm. This measurement is based on the standard diameter of the coin, which is 25.00 mm. The circumference of a circle can be calculated using the formula C = πd, where C is the circumference, π is the mathematical constant pi (approximately 3.14159), and d is the diameter of the circle.
The most basic thing is the weight and diameter of the coin. if you have doubts about the authenticity of the coin, take it to a coin dealer for an assessment.
The dime has the smallest diameter among the listed coins, making it the coin with the smallest radius.
If you have a large 38 mm-diameter coin struck in 2006 it's a commemorative worth about $20 as of 06/2009. If your coin is smaller, please turn it over and look at the denomination. It's a HALF dollar.
There are more than 20 currencies called the "dollar" around the world, and each uses their own coinage which almost invariably includes the half-dollar. In general, the half-dollar coin is between 1.5 and 2.5 centimetres (3/5" and 1") in diameter. A list of every currency and the size of the coin used may be added at a future time.
Diameter - 21.6 mm Weight - 8.25 gm
The volume of a standard U.S. dollar coin, such as the Sacagawea or Presidential dollar coin, is approximately 26.49 cubic centimeters (cm³). These coins have a diameter of 26.5 mm and a thickness of 2.00 mm. The volume can vary slightly depending on the specific design or any variations in minting processes.