How Big?

All things · Small Wonders

Grain of rice: how big is it?

Grain of rice is about 7 mm. In everyday terms, that is ≈ 100 human hairs (width).

Size
7 mm
In metres
7.00 × 10⁻³ m
Everyday comparison
≈ 100 human hairs (width)
Chapter
Small Wonders

Did you know?

Rice is the main food for more than half the people on Earth.

How it compares

See it on the zoom

Other things of a similar size

Sizes are rounded, typical values drawn from standard reference sources, including NIST/CODATA physical constants and NASA's planetary fact sheets. Real objects vary; see About for how sizes are chosen.