50 micrometres
50 µmLength · definition
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Length & distance
Just how long is 50 micrometres?
Up close
50 µm
50 micrometres
The quantity is exact as entered.
50 µmLength
0 - shared origin
Pollen grain
A pollen grain carries the male reproductive cells of a seed-producing plant.
30 µmCharacteristic 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
50 micrometres is about 1.67 times the characteristic size of a pollen grain.
Measurements, assumptions & sources +
50 micrometres
Length: 50 µm; definition.
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Pollen grain
Characteristic size: 30 µm; representative.
A chosen 30 µm pollen grain. Plant species produce very different grains.
University of Utah — Cell size and scale
The marked characteristic size is calibrated. Unmeasured illustration details are representative.
Measurement details
Why these numbers?
Compare 50 micrometres with the characteristic size of a pollen grain. The notes below explain how each value was chosen.
Pollen grain
30 µmCharacteristic size · representative
A chosen 30 µm pollen grain. Plant species produce very different grains.
- Comparing
- Length ↔ Characteristic size
- Relative size
- 50 micrometres is about 1.67 times the characteristic size of a pollen grain. 50 micrometres is approximately 66.7% greater than the characteristic size of a pollen grain.
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 pollen grain: This is a representative comparison value; individual specimens or conditions can vary.
This comparison follows the selected length only; other dimensions may differ.
5 × 10⁻⁵ mmetres
0.00016404 ftfeet
3.1069 × 10⁻⁸ mimiles
3.3423 × 10⁻¹⁶ AUastronomical units
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