US quarter
A US quarter is a coin worth twenty-five cents, commonly used in United States currency.
Also known as: quarter, quarter dollar
How big is it?
2.426 cm across
Also 0.9551 in
Diameter · specified

A little perspective
About the same scale as UK 10p coin.
UK 10p coin: A UK 10p coin is the ten-pence denomination of the decimal pound sterling circulation coinage.
Measurements, assumptions & sources +
US quarter
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.
UK 10p coin
The current small UK ten-pence circulation coin is 24.5 mm in diameter, 1.85 mm thick and weighs 6.5 g.
Royal Mint — UK coin designs and specifications
The marked specified diameter is calibrated. Unmeasured illustration details are representative.
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Why this measurement?
Why we use 2.426 cm
For comparison, this page uses diameter. The record labels this value specified, so the stated convention rather than an inferred average controls the comparison.
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.
The marked horizontal span follows the named feature; transparent margins and unmeasured details do not alter it. How calibrated comparisons work →
Recorded properties
US quarter dimensions and measurements
| Property | Selected value | Recorded range | Basis |
|---|---|---|---|
| 2.426 cm | Not recorded | specified | |
| 5.67 g | Not recorded | specified |
Around this scale
Go smaller. Go bigger.
These links use compatible length records, ordered around the selected value.
Nearest lower value · Everyday things£1 coin2.343 cmA £1 coin is a twelve-sided British coin used as standard currency in the United Kingdom.
Around the same scale · Everyday thingsUS nickel2.121 cmA US nickel is a five-cent coin made primarily of a copper-nickel alloy.
Nearest higher value · Everyday thingsUK 10p coin2.45 cmA UK 10p coin is the ten-pence denomination of the decimal pound sterling circulation coinage.Sources and method
Want to check the number?
The source records and measurement method remain available for inspection.
- US Mint — circulating coin specificationsNominal current-format coin dimensions and masses.
More ways to see it
Curated comparisons
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