How many US cups of portobello mushrooms is 86 grams?

86 grams of portobello mushrooms is 1 US cup. The conversion works the same in reverse, so you can switch between US cups and grams without changing the result. This helps when a recipe lists one unit but you would rather measure in the other. The converter above and the chart below cover both directions for any amount.

Convert Portobello Mushroom from US cups (chopped)

Portobello Mushroom converter

Use the tool below to convert portobello mushroom from US cups (chopped) to the measurement that you need.

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 much is a US cup of portobello mushrooms?

A US cup of portobello mushrooms is 86 grams, about 0.72 medium portobello mushrooms. 0.5 US cups of portobello mushrooms is 43 grams and 2 US cups of portobello mushrooms is 172 grams. Use the converter below for any amount.

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

No measuring cups? The tool below gets you close, and a measuring cup set keeps every batch the same.

Scoop it right, get measuring cups

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

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Portobello mushroom sizeSize applies to whole portobello mushrooms (small / medium / large).

Result

0.96 cups

Common Portobello Mushroom conversions

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

US cups (chopped)	portobello mushrooms
0.25 cups (US)	0.18 portobello mushrooms
0.5 cups (US)	0.36 portobello mushrooms
0.75 cups (US)	0.54 portobello mushrooms
1 cup (US)	0.72 portobello mushrooms
1.5 cups (US)	1.08 portobello mushrooms
2 cups (US)	1.43 portobello mushrooms
3 cups (US)	2.15 portobello mushrooms

Portobello Mushroom conversion chart

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

cups (US)	cups	portobello mushrooms	g	oz	lb	kg
0.25 cups (US)	0.24 cups	0.18 portobello mushrooms	21.5 g	0.76 oz	0.05 lb	0.02 kg
0.5 cups (US)	0.48 cups	0.36 portobello mushrooms	43 g	1.52 oz	0.09 lb	0.04 kg
1 cup (US)	0.96 cups	0.72 portobello mushrooms	86 g	3.03 oz	0.19 lb	0.09 kg
1.5 cups (US)	1.43 cups	1.08 portobello mushrooms	129 g	4.55 oz	0.28 lb	0.13 kg
2 cups (US)	1.91 cups	1.43 portobello mushrooms	172 g	6.07 oz	0.38 lb	0.17 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.

Variety	Best for
Portobello (Standard)	Burgers, grilling, and stuffing: mature brown cap with deep gills, dense and meaty when cooked.
King Oyster	Vegan scallops and steaks: thick white stems that take a sear; closest meaty substitute when portobello is out.
Lion's Mane	Vegan 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 much is a US cup of portobello mushrooms?: A US cup of portobello mushrooms is 86 grams, or about 0.72 medium portobello mushrooms. The ratio is fixed, so 0.5 US cups of portobello mushrooms is 43 grams and 2 US cups of portobello mushrooms is 172 grams. Use the converter above for any amount, or the chart below for the most common quantities. Open the portobello mushroom converter
How many grams is a US cup of portobello mushrooms?: A US cup of portobello mushrooms is 86 grams. The conversion scales in a straight line, so 0.5 US cups of portobello mushrooms is 43 grams and 2 US cups of portobello mushrooms is 172 grams. Multiply or divide that figure to match whatever your recipe needs, or use the converter above for an exact reading at any amount.
How many US cups of portobello mushrooms is 86 grams?: 86 grams of portobello mushrooms is 1 US cup. The conversion works the same in reverse, so you can switch between US cups and grams without changing the result. This helps when a recipe lists one unit but you would rather measure in the other. The converter above and the chart below cover both directions for any amount.

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