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A ring size of 2.5 inches corresponds to a size 5 in U.S. ring sizes. To find the size, you can convert the measurement of the circumference (2.5 inches) into ring size units, where size 5 has a circumference of approximately 2.5 inches. This size is typically used for children or very small fingers.

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5mo ago

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What ring size is 2.75 inches?

A ring size of 2.75 inches in diameter corresponds to approximately a size 2 in US ring sizing. To convert the diameter to a standard US ring size, you can use the formula that each full size increases the diameter by about 0.2 inches. Therefore, a 2.75-inch diameter ring would typically fit a very small finger, usually for children or those with petite hands.


What is the angular size of a quarter viewed from distance of 25 yards?

The angular size of an object can be estimated using the formula: angular size (in radians) = diameter / distance. A quarter has a diameter of about 0.955 inches. Converting 25 yards to inches (25 yards x 36 inches/yard = 900 inches), the angular size is approximately 0.955 / 900 ≈ 0.00106 radians, which is about 0.061 degrees.


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What is the diameter of a size 9 ring?

The diameter of a size 9 ring is approximately 19.0 millimeters (or about 0.75 inches). Ring sizes can vary slightly by manufacturer, but this measurement is generally accepted for a U.S. size 9. It's important to consider that the fit may also depend on the design and width of the ring.


What diameter is a size 6 ring?

A size 6 ring typically has an inner diameter of approximately 16.5 millimeters (or about 0.65 inches). This size can vary slightly based on different sizing standards used in different countries. It's important to measure accurately for the best fit when choosing a ring size.