The diameters of known specimens vary from 5 to 18 millimeteres.

However, depending on the school the length and diameter varied.

Their diameters vary between a few inches and eight feet.

The diameters of known specimens vary from 8 to 15 millimeters.

At lower latitudes, the diameter varies from 1 to 3 mm.

The plant's diameter varies from 15 to 30 cm.

The diameter of circular Aspidella varies from 1 to 180 mm.

Consequently the internal diameter varies, sometimes significantly, from its nominal size.

The diameter of the circle varied from ten to sixteen feet.

The apparent diameter of the Moon varies with this period.