The short answer: a single fresh shiitake mushroom typically weighs about 10 to 25 grams (0.35 to 0.88 ounces).
Shiitake mushroom weight by type
Shiitake mushrooms are sold fresh and dried, with very different weights. The figures below focus on fresh caps.
| Type (example) | Typical weight |
|---|---|
| Small fresh shiitake | about 8-12 g (0.3-0.4 oz) |
| Medium fresh shiitake | about 12-20 g (0.4-0.7 oz) |
| Large fresh shiitake | about 20-30 g (0.7-1 oz) |
| Dried shiitake | about 2-5 g (under 0.2 oz) |
What affects shiitake mushroom weight
- Size. A large cap can weigh three times more than a small one.
- Fresh vs. dried. Drying removes most of the water, slashing the weight.
- Moisture. Fresh shiitakes hold a lot of water and weigh more.
- Stem. The tough stem adds weight but is often trimmed off.
- Maturity. Fully opened caps are heavier than tight young buttons.
How shiitake mushroom weight compares
A single fresh shiitake weighs about the same as a grape or two, while a dried one is closer to the weight of a small coin.
Frequently asked questions
How much does a shiitake mushroom weigh?
A fresh shiitake typically weighs about 10 to 25 grams.
How much does a dried shiitake weigh?
Dried shiitakes lose most of their water and usually weigh only about 2 to 5 grams each.
How many fresh shiitakes are in 100 grams?
Around 5 to 8 medium fresh shiitakes make up roughly 100 grams.
