Nature

How big is a garden snail?

An adult garden snail is about 3 cm (1.18 in) across.

What is measured: adult shell diameter

Garden snail (3 cm) drawn to scale beside a large coin (2.4 cm) and a smartphone (14.7 cm)
Drawn to scale, from left to right: Large coin (2.4 cm), Garden snail (3 cm) and Smartphone (14.7 cm).

Compare

How big is that, really?

  • A little wider than a large coin
  • About 2 would fit end to end along a credit card
  • About 4.3× the length of a grain of rice
  • As wide as about 15 raindrops side by side
  • About 4 would fit end to end along a smartphone

Learn

Facts about Garden snail

A garden snail’s shell grows in a spiral as the animal adds new material around its opening.

Source: Encyclopaedia Britannica, snail

Nature

NameSizeCompared with Garden snail
Common pill bug1.2 cm (0.47 in)0.4×
Gippsland giant earthworm2 cm (0.79 in)0.67×
Bargibant’s seahorse2.4 cm (0.94 in)0.8×
Blue dragon sea slug3 cm (1.18 in)same size
Garden snail3 cm (1.18 in)this page
Bee hummingbird5.5 cm (2.17 in)1.8×
Monarch butterfly9.5 cm (3.74 in)3.2×
Luna moth11.5 cm (4.53 in)3.8×
Venus flytrap15 cm (5.91 in)5×
Pygmy marmoset15 cm (5.91 in)5×

Test your sense of scale

Which is bigger: Garden snail or Bargibant’s seahorse?

Topics

More sizes like this