20 × 30 mm stamp
A postage stamp is a small adhesive label placed on mail to show payment for postal services.
How big is it?
6 cm² · area
Also 0.006458 ft²
Area · example
A little perspective
20 × 30 mm stamp vs Fingernail: area comparison
A 20 × 30 mm stamp has about 4 times the area of a fingernail.
A postage stamp is a small adhesive label placed on mail to show payment for postal services.
Too small to see at this scale. The ring marks its true-scale position, not its area. The shape has not been enlarged.
A fingernail is the hard, protective covering at the tip of a human finger, composed of keratin.
Too small to see at this scale. The ring marks its true-scale position, not its area. The shape has not been enlarged.
Measurements, assumptions & sources +
20 × 30 mm stamp
Area: 6 cm²; example.
Defined 20 × 30 mm example; postage stamp formats vary.
Defined examples — our methodology
The marked area is calibrated. Unmeasured illustration details are representative.
Fingernail
Area: 1.5 cm²; example.
Example 15 × 10 mm fingernail; 1.5 cm² area.
Defined examples — our methodology
The marked area 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 6 cm²
We compare the area of a 20 × 30 mm stamp. This is an illustrative comparison value, not a claim that every example is the same.
Defined 20 × 30 mm example; postage stamp formats vary.
The picture identifies the subject; the diagram compares the recorded values. How calibrated comparisons work →
Recorded properties
Dimensions and measurements
| Property | Selected value | Recorded range | Basis |
|---|---|---|---|
| 6 cm² | Not recorded | example | |
| 2 cm | Not recorded | example | |
| 3 cm | Not recorded | example |
Around this scale
Explore nearby values.
Compare examples with lower, similar and higher values. Each card names the measurement being compared.
Nearest lower valuePeople and human anatomyFingernail1.5 cm²AreaA fingernail is the hard, protective covering at the tip of a human finger, composed of keratin.
Nearest higher valueEveryday objectsPayment card46.21 cm²AreaA payment card is a plastic card used to make electronic payments, such as credit or debit transactions.Sources and method
Want to check the number?
The source records and measurement method remain available for inspection.
There’s always another scale
Follow your curiosity.
PeopleFingernail1.5 cmA fingernail is the hard, protective covering at the tip of a human finger, composed of keratin.
Everyday things10 mm round button1 cmA round button is a small disc-shaped fastener sewn onto clothing to join fabric.Everyday thingsPayment card8.56 cmA payment card is a plastic card used to make electronic payments, such as credit or debit transactions.
Everyday thingsA7 paper10.5 cmA7 paper is a compact ISO 216 paper format used for small notes, cards and labels.
Everyday things10 cm tile10 cmA small tile is a square piece, often ceramic or stone, used to cover floors or walls.
Everyday thingsSmartphone15 cmA smartphone is a portable electronic device that combines mobile phone functions with internet access and apps.
Everyday thingsA6 paper14.8 cmA6 paper is an ISO 216 paper format commonly used for postcards, small flyers and pocket stationery.
Everyday thingsA5 paper21 cmA5 paper is an ISO 216 paper format commonly used for notebooks, leaflets and small documents.