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Length & distance

Just how long is 8 millimetres?

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8 mm

Scale
8 millimetres

The quantity is exact as entered.

8 mmLength
0 - shared origin
Chickpea

A chickpea is an edible seed from the Cicer arietinum plant, commonly used in cooking and also called a garbanzo bean.

9 mmDefined seed diameter
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

The seed diameter of a chickpea is about 1.12 times 8 millimetres.

Measurements, assumptions & sources +

8 millimetres

Length: 8 mm; definition.

The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.

NIST — SI conversion factors

Chickpea

Defined seed diameter: 9 mm; defined specimen; range 7 mm–1.1 cm.

A defined dry chickpea 9 mm across and 300 mg in mass. Cultivar, grading and moisture change both values.

Defined examples — our methodology

The marked defined seed diameter is calibrated. Unmeasured illustration details are representative.

Measurement details

Why these numbers?

Compare 8 millimetres with the seed diameter of a chickpea. The notes below explain how each value was chosen.

8 millimetres

8 mm

Length · definition

The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.

Chickpea

9 mm

Defined seed diameter · defined specimen · range 7 mm–1.1 cm

A defined dry chickpea 9 mm across and 300 mg in mass. Cultivar, grading and moisture change both values.

Comparing
Length ↔ Defined seed diameter
Relative size
The seed diameter of a chickpea is about 1.12 times 8 millimetres. The seed diameter of a chickpea is approximately 12.5% greater than 8 millimetres.

How to read the visual

The diagram uses the recorded measurements. Details outside the marked spans do not set the scale.

  • We use 9 mm for the seed diameter of a chickpea; the recorded range is 7 mm–1.1 cm.
  • The seed diameter of a chickpea: This is an illustrative comparison value, not a claim that every example is the same.
  • The recorded ranges overlap, so the ordering can vary even though the central values differ.

This comparison follows the selected length only; other dimensions may differ.

0.008 mmetres
0.026247 ftfeet
4.971 × 10⁻⁶ mimiles
5.3477 × 10⁻¹⁴ AUastronomical units

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