Convert Portobello Mushroom from Grams to US cups (chopped)

Portobello Mushroom converter

Use the tool below to convert portobello mushroom from Grams to US cups (chopped).

A small portobello cap is well under half the weight of a giant burger-sized one, so 'four portobellos' on the grill can swing the yield a lot. Pick the right size below to keep burgers, fajitas, and stuffing on target.

How many US cups is 200g of portobello mushroom?

200 g of portobello mushroom is about 2.33 US cups when chopped. The density is fixed, so 100 g is about 1.16 US cups and 400 g about 4.65 US cups. This holds at any size, since it measures chopped flesh by volume. Use the converter above for any gram amount.

Got white button or cremini? Those are smaller (10–27 g whole). See our Mushroom converter.

No scale? The tool below gives a good estimate, but for exact bakes a digital kitchen scale removes the guesswork.

Weigh it exact, get a scale

Enter an amount, pick your units, and set the size for counting whole portobello mushrooms.

Size applies to whole portobello mushrooms (small / medium / large).

Result

0.01 cups (US)

Common Portobello Mushroom conversions

Quick reference for portobello mushroom at medium size. Switch the size in the converter above for small or large.

GramsUS cups (chopped)
50 g0.58 cups (US)
100 g1.16 cups (US)
250 g2.91 cups (US)
500 g5.81 cups (US)
750 g8.72 cups (US)
1000 g11.63 cups (US)

Portobello Mushroom conversion chart

The chart below shows how whole portobello mushrooms (medium size) convert to cups, grams and ounces.

gcups (US)portobello mushroomscupsozlbkg
100 g1.16 cups (US)0.83 portobello mushrooms1.11 cups3.53 oz0.22 lb0.1 kg
250 g2.91 cups (US)2.08 portobello mushrooms2.78 cups8.82 oz0.55 lb0.25 kg
500 g5.81 cups (US)4.17 portobello mushrooms5.56 cups17.64 oz1.1 lb0.5 kg
750 g8.72 cups (US)6.25 portobello mushrooms8.33 cups26.46 oz1.65 lb0.75 kg
1000 g11.63 cups (US)8.33 portobello mushrooms11.11 cups35.27 oz2.2 lb1 kg

Portobello Mushroom varieties and best uses

The conversions above are the same whatever variety you use; the difference is what each is good for. Here is how the common portobello mushroom varieties compare.

VarietyBest for
Portobello (Standard)Burgers, grilling, and stuffing: mature brown cap with deep gills, dense and meaty when cooked.
King OysterVegan scallops and steaks: thick white stems that take a sear; closest meaty substitute when portobello is out.
Lion's ManeVegan crab cakes and steak swaps: shaggy white clusters that pull apart into a tender, almost seafood-like texture.

Which should I pick?

For burgers, grilling, and stuffing, the standard mature Portobello cap is the pick: dense, meaty flesh that holds up under heat. No portobello? Thick-cut King Oyster gives a similarly meaty bite. For a vegan steak swap, Lion's Mane has a tender, almost crab-like texture.

Frequently Asked Questions

How many US cups is 200 grams of portobello mushrooms?
200 grams of portobello mushrooms is about 2.33 US cups of portobello mushroom. The density of chopped portobello mushroom is fixed, so the ratio holds at any amount: double the grams and you double the US cups. Use the converter above for any quantity, or the chart below for the most common amounts. Open the portobello mushroom converter
How many grams of portobello mushrooms is 2.33 US cups?
2.33 US cups of portobello mushrooms is about 200.38 grams. The conversion works the same in reverse, so you can switch between grams and US cups without changing the result. This helps when a recipe lists one unit but you would rather measure the other. Use the converter above for any amount.
Which portobello mushroom variety should I use?
For burgers, grilling, and stuffing, the standard mature Portobello cap is the pick: dense, meaty flesh that holds up under heat. No portobello? Thick-cut King Oyster gives a similarly meaty bite. For a vegan steak swap, Lion's Mane has a tender, almost crab-like texture.

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