1 centimetre
1 cmLength · definition
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Length & distance
Just how long is 1 centimetre?
Up close
1 cm
1 centimetre
The quantity is exact as entered.
1 cmLength
0 - shared origin
10 mm round button
A round button is a small disc-shaped fastener sewn onto clothing to join fabric.
1 cmDiameter
0 - shared origin
Both rulers start at the same zero and share one linear scale. Artwork keeps its original proportions. A ruler represents the selected distance or a measurement not visible in this view.
A little perspective
1 centimetre is approximately equal to the diameter of a 10 mm round button.
Measurements, assumptions & sources +
1 centimetre
Length: 1 cm; definition.
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
10 mm round button
Diameter: 1 cm; example.
A 10 mm diameter circular button example. Area treats it as a full disc; holes are ignored.
Defined examples — our methodology
The marked diameter is calibrated. Unmeasured illustration details are representative.
Measurement details
Why these numbers?
Compare 1 centimetre with the diameter of a 10 mm round button. The notes below explain how each value was chosen.
10 mm round button
1 cmDiameter · example
A 10 mm diameter circular button example. Area treats it as a full disc; holes are ignored.
- Comparing
- Length ↔ Diameter
- Relative size
- 1 centimetre is approximately equal to the diameter of a 10 mm round button.
How to read the visual
The diagram uses the recorded measurements. Details outside the marked spans do not set the scale.
- The diameter of a 10 mm round button: This is an illustrative comparison value, not a claim that every example is the same.
This comparison follows the selected length only; other dimensions may differ.
0.01 mmetres
0.032808 ftfeet
6.2137 × 10⁻⁶ mimiles
6.6846 × 10⁻¹⁴ AUastronomical units
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A little smaller. A little larger.