Food & Drink

How long is a poppy seed?

A typical poppy seed is about 1 mm long.

What is measured: typical dried seed, longest dimension

Poppy seed (1 mm) drawn to scale beside a grain of sand (500 µm) and a raindrop (2 mm)
Drawn to scale, from left to right: Grain of sand (500 µm), Poppy seed (1 mm) and Raindrop (2 mm).

Compare

How big is that, really?

  • About 2× the width of a grain of sand
  • About 2 would fit across a raindrop
  • About 7 would fit end to end along a grain of rice
  • About 8.7× the width of a human egg cell
  • About 14× the width of a human hair

Learn

Facts about Poppy seed

Poppy seeds come from the seed capsules of flowering poppies and are commonly used whole in baking.

Source: Encyclopaedia Britannica, “Poppy”; USDA FoodData Central, “Seeds, poppy seed”

Food & Drink

NameSizeCompared with Poppy seed
Poppy seed1 mmthis page
Sesame seed2 mm2×
Mustard seed2 mm2×
Lentil4 mm (0.16 in)4×
Rice grain7 mm (0.28 in)7×
Pea8 mm (0.31 in)8×
Chickpea8 mm (0.31 in)8×
Coffee bean9 mm (0.35 in)9×
Corn kernel1.2 cm (0.47 in)12×
Blueberry1.5 cm (0.59 in)15×

Test your sense of scale

Which is bigger: Poppy seed or Sesame seed?

Topics

More sizes like this