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
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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
Compared with other things in nature
| Name | Size | Compared with Garden snail |
|---|---|---|
| Common pill bug | 1.2 cm (0.47 in) | 0.4× |
| Gippsland giant earthworm | 2 cm (0.79 in) | 0.67× |
| Bargibant’s seahorse | 2.4 cm (0.94 in) | 0.8× |
| Blue dragon sea slug | 3 cm (1.18 in) | same size |
| Garden snail | 3 cm (1.18 in) | this page |
| Bee hummingbird | 5.5 cm (2.17 in) | 1.8× |
| Monarch butterfly | 9.5 cm (3.74 in) | 3.2× |
| Luna moth | 11.5 cm (4.53 in) | 3.8× |
| Venus flytrap | 15 cm (5.91 in) | 5× |
| Pygmy marmoset | 15 cm (5.91 in) | 5× |
Test your sense of scale
Which is bigger: Garden snail or Bargibant’s seahorse?
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