
US quarter
A US quarter is a coin worth twenty-five cents, commonly used in United States currency.
2.426 cmDiameterSmall wonders
What are they, and what does the difference actually look like?
Two things. One honest scale.
Meet the pair

A US quarter is a coin worth twenty-five cents, commonly used in United States currency.
2.426 cmDiameter
A US nickel is a five-cent coin made primarily of a copper-nickel alloy.
2.121 cmDiameterUS quarter has about 1.14 times the diameter of US nickel.
A US quarter: 24.26 mm nominal diameter and 5.67 g mass. The illustrated relief is representative; the circular rim is the measured span.
US Mint — circulating coin specifications
The marked diameter is calibrated. Unmeasured illustration details are representative.
21.21 mm nominal diameter; 5 g.
US Mint — circulating coin specifications
The marked diameter is calibrated. Unmeasured illustration details are representative.
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Measurement details
The visual compares diameter with diameter. The records below preserve each value’s basis and caveats.
Diameter · specified
A US quarter: 24.26 mm nominal diameter and 5.67 g mass. The illustrated relief is representative; the circular rim is the measured span.
Diameter · specified
21.21 mm nominal diameter; 5 g.
The labelled spans and stored measurements determine the scale; unmeasured illustration details do not.
There’s always another scale
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