UK £2 coin
A UK £2 coin is the bimetallic two-pound denomination of the pound sterling circulation coinage.
Also known as: British two pound coin, two pounds coin, £2 coin
How big is it?
2.84 cm · specified diameter
Also 1.118 in
Specified diameter · specified
Format: Bimetallic. UK £2 coin: 28.4 mm (1.118 in) in diameter, 2.5 mm (0.098 in) thick, and 12 g in mass. Diameter measures across the face, not the edge thickness.
Check UK £2 coin material and older-format differences. Compare UK and US coin dimensions.
A little perspective
UK £2 coin vs UK 50p coin: diameter comparison
The diameter of a UK £2 coin is about 1.04 times the maximum diameter of a UK 50p coin.
A UK £2 coin is the bimetallic two-pound denomination of the pound sterling circulation coinage.
A UK 50p coin is the seven-sided fifty-pence denomination of the decimal pound sterling circulation coinage.
Both rulers start at the same zero and share one linear scale. Artwork keeps its original proportions.
Measurements, assumptions & sources +
UK £2 coin
Specified diameter: 2.84 cm; specified.
Bimetallic UK two-pound circulation format: 28.4 mm diameter, 2.5 mm thickness and 12 g mass. Bimetallic means an outer ring and inner disc; earlier single-metal or collector issues are not the comparison input.
Royal Mint — bimetallic £2 specifications
The marked specified diameter is calibrated. Unmeasured illustration details are representative.
UK 50p coin
Specified maximum diameter: 2.73 cm; specified.
Smaller cupro-nickel UK 50p introduced on 1 September 1997: 27.3 mm maximum span, 1.78 mm thickness and 8 g mass. The larger predecessor was withdrawn in 1998, not on the introduction date. Its equilateral-curve heptagon has constant breadth.
Royal Mint — 50p specifications and format history
The marked specified maximum diameter is calibrated. Unmeasured illustration details are representative.
Use the visual comparison to explore its scale, then check the measurements and sources.
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Why this measurement?
Why we use 2.84 cm
We compare the diameter of a UK £2 coin. This value follows a stated specification; check its scope in the notes.
Bimetallic UK two-pound circulation format: 28.4 mm diameter, 2.5 mm thickness and 12 g mass. Bimetallic means an outer ring and inner disc; earlier single-metal or collector issues are not the comparison input.
The marked horizontal span follows the measured feature, not the edges of the image. How calibrated comparisons work →
Recorded properties
Dimensions and measurements
| Property | Selected value | Recorded range | Basis |
|---|---|---|---|
| 28.4 mm (1.118 in) | Not recorded | specified - Bimetallic | |
| 2.5 mm (0.098 in) | Not recorded | specified - Bimetallic | |
| 12 g | Not recorded | specified - Bimetallic |
Around this scale
Explore nearby values.
Compare examples with lower, similar and higher values. Each card names the measurement being compared.
Nearest lower valueEveryday objectsUK 50p coin2.73 cmSpecified maximum diameterA UK 50p coin is the seven-sided fifty-pence denomination of the decimal pound sterling circulation coinage.
Around the same scaleEveryday objectsUS quarter2.426 cmDiameterA US quarter is a coin worth twenty-five cents, commonly used in United States currency.
Nearest higher valueEveryday objectsPaperclip3.3 cmLengthA paperclip is a small bent wire device used to hold sheets of paper together.Sources and method
Want to check the number?
The source records and measurement method remain available for inspection.
- Royal Mint — bimetallic £2 specifications28.4 mm diameter, 2.50 mm thickness and 12 g; bimetallic circulation format.
There’s always another scale
Follow your curiosity.
Everyday thingsUK 50p coin2.73 cmA UK 50p coin is the seven-sided fifty-pence denomination of the decimal pound sterling circulation coinage.
Everyday things£1 coin2.343 cmA £1 coin is a twelve-sided British coin used as standard currency in the United Kingdom.Everyday thingsUS quarter2.426 cmA US quarter is a coin worth twenty-five cents, commonly used in United States currency.
PeopleHuman eyeball2.4 cmThe human eyeball is the globe-shaped organ that receives light and begins the process of vision.
Living thingsVenus flytrap3 cmThe Venus flytrap is a carnivorous plant that captures insects with its specialised hinged leaves.
SportSquash ball4 cmA squash ball is a small, hollow rubber ball used in the sport of squash.
Everyday thingsUK 2p coin2.59 cmA UK 2p coin is the two-pence denomination of the decimal pound sterling circulation coinage.
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