Food & Drink
How wide is a mustard seed?
A typical mustard seed is about 2 mm wide.
What is measured: Typical whole seed, width
Compare
How big is that, really?
- About the same width as a raindrop
- As wide as about 4 grains of sand side by side
- About 3 would fit end to end along a grain of rice
- As wide as about 17 human egg cells side by side
- About 29× as wide as a human hair
Learn
Facts about Mustard seed
Mustard seeds vary in color from yellow and white to brown and black, depending on the species.
Source: Encyclopaedia Britannica, Mustard plant; McCormick Science Institute, Mustard
Food & Drink
Compared with other foods and drinks
| Name | Size | Compared with Mustard seed |
|---|---|---|
| Poppy seed | 1 mm | 0.5× |
| Sesame seed | 2 mm | same size |
| Mustard seed | 2 mm | this page |
| Lentil | 4 mm (0.16 in) | 2× |
| Rice grain | 7 mm (0.28 in) | 3.5× |
| Pea | 8 mm (0.31 in) | 4× |
| Chickpea | 8 mm (0.31 in) | 4× |
| Coffee bean | 9 mm (0.35 in) | 4.5× |
| Corn kernel | 1.2 cm (0.47 in) | 6× |
| Blueberry | 1.5 cm (0.59 in) | 7.5× |
Test your sense of scale
Which is bigger: Mustard seed or Poppy seed?
Topics