HOW BIG
DiscoverEveryday objects

Everyday objects

Table tennis ball: size, dimension and comparison

The adopted reference is about 4 cm.

nominal diameter

4 cm = 0.04 m. A centimeter is one hundredth of a meter.

Varies by periodModel not specified

A light spherical ball used with rackets.

Explore at this scale
Table tennis ball, interpreted illustration
Interpreted illustration · dimension stated in the fact sheet.

What does this number measure?

A lightweight spherical ball used with paddles. Displayed dimension: nominal diameter.

Compare the stated dimensions

The comparison uses the number in each fact sheet: altitude, height, diameter, length or distance, depending on the reference. Two values in metres do not necessarily describe the same property.

Compare with Golf ball in the explorer →

Source and limitations

Catalogue value to check against the source; not individually audited.

Table tennis ball, nominal diameter.

Model not specified: Varies by period. Proposed historical date; an existing documentary source is linked but was not consulted for this date in this session. Do not interpret this reference as the manufacturing date of the illustrated specimen. Generic ball with the modern nominal diameter; this ball's manufacturing date is not known. The history of changes in diameter and material is separate. A universal year would be misleading.