0.955 inch
The quarter, short for quarter dollar, is a United States coin worth 25 cents, one-quarter of a dollar. It has a diameter of 0.955 inch (24.26 mm) and a thickness of 0.069 inch (1.75 mm).
Is 12 mm the size of a dime?
The dime is the smallest in diameter and is the thinnest of all U.S. coins currently minted for circulation, being 0.705 inches (17.91 millimeters) in diameter and 0.053 in (1.35 mm) in thickness.
How many MM is a penny wide?
The coin is 0.75 inches (19.05 mm) in diameter and 0.0598 inches (1.52 mm) in thickness.
How do you measure the diameter of a coin?
Place your coin on flat surface in order to obtain the diameter size. Use a digital gauge to measure the diameter in millimeters across the coin. If the coin is visibly worn on the edge, take a few measurements of its diameter to come up with an average measurement.
How many MM is a dime diameter?
17.91 mm
Coin Specifications
| Denomination | Cent | Dime |
|---|---|---|
| Diameter | 0.750 in. 19.05 mm | 0.705 in. 17.91 mm |
| Thickness | 1.52 mm | 1.35 mm |
| Edge | Plain | Reeded |
| No. of Reeds | N/A | 118 |
Why are coins different sizes?
According to the United States Mint, the purpose of having different sized coins is to make it easier to identify them. The size of a coin is not determined by its value, as demonstrated by the fact that a nickel is worth less than a dime but is larger in size. United States coins were first produced in 1793.
What’s the diameter of a coin?
Coin Specifications
| Denomination | Cent | Dollar |
|---|---|---|
| Diameter | 0.750 in. 19.05 mm | 1.043 in. 26.49 mm |
| Thickness | 1.52 mm | 2.00 mm |
| Edge | Plain | Edge-Lettering |
| No. of Reeds | N/A | N/A |
How big is a 5p coin in MM?
18.0mm
5p Coin
| First Issued | Smaller version – June 1990 (Larger version introduced 1968, demonetised 1990) |
|---|---|
| Diameter | 18.0mm |
| Weight | 3.25g |
| Thickness | 1.7mm |
| Composition | Nickel-plated steel (since January 2012) Cupro-nickel (prior to January 2012) (75% copper, 25% nickel) |