5 ångströms
500 pmLength · definition
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Length & distance
Just how long is 5 ångströms?
Microscopic
5 Å
5 ångströms
The quantity is exact as entered.
500 pmLength
0 - shared origin
Water molecule
A water molecule is a group of two hydrogen atoms bonded to one oxygen atom.
280 pmCharacteristic size
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
5 ångströms is about 1.79 times the characteristic size of a water molecule.
Measurements, assumptions & sources +
5 ångströms
Length: 500 pm; definition.
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Water molecule
Characteristic size: 280 pm; representative.
A chosen 0.28 nm molecular-scale model. Effective molecular size depends on the definition.
University of Utah — Cell size and scale
The marked characteristic size is calibrated. Unmeasured illustration details are representative.
Measurement details
Why these numbers?
Compare 5 ångströms with the characteristic size of a water molecule. The notes below explain how each value was chosen.
Water molecule
280 pmCharacteristic size · representative
A chosen 0.28 nm molecular-scale model. Effective molecular size depends on the definition.
- Comparing
- Length ↔ Characteristic size
- Relative size
- 5 ångströms is about 1.79 times the characteristic size of a water molecule. 5 ångströms is approximately 78.6% greater than the characteristic size of a water molecule.
How to read the visual
The diagram uses the recorded measurements. Details outside the marked spans do not set the scale.
- The characteristic size of a water molecule: This is a representative comparison value; individual specimens or conditions can vary.
This comparison follows the selected length only; other dimensions may differ.
5 × 10⁻¹⁰ mmetres
1.6404 × 10⁻⁹ ftfeet
3.1069 × 10⁻¹³ mimiles
3.3423 × 10⁻²¹ AUastronomical units
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A little smaller. A little larger.