Convert Portobello Mushroom from Kilograms to Whole Portobello mushrooms

Portobello Mushroom converter

Use the tool below to convert portobello mushroom from Kilograms to Whole Portobello mushrooms.

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 portobello mushrooms are in a kilogram?

A kg of portobello mushrooms is about 8.33 medium portobello mushrooms, based on a medium portobello mushroom of 120 g. Small portobello mushrooms push that figure up and large ones bring it down, so set the size selector to match what you have, then read the exact count above.

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.

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

8.33 portobello mushrooms

Common Portobello Mushroom conversions

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

Kilogramsportobello mushrooms
0.25 kg2.08 portobello mushrooms
0.5 kg4.17 portobello mushrooms
1 kg8.33 portobello mushrooms
2 kg16.67 portobello mushrooms
3 kg25 portobello mushrooms

Portobello Mushroom conversion chart

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

kgportobello mushroomscupscups (US)gozlb
0.25 kg2.08 portobello mushrooms2.78 cups2.91 cups (US)250 g8.82 oz0.55 lb
0.5 kg4.17 portobello mushrooms5.56 cups5.81 cups (US)500 g17.64 oz1.1 lb
1 kg8.33 portobello mushrooms11.11 cups11.63 cups (US)1000 g35.27 oz2.2 lb
2 kg16.67 portobello mushrooms22.22 cups23.26 cups (US)2000 g70.55 oz4.41 lb
3 kg25 portobello mushrooms33.33 cups34.88 cups (US)3000 g105.82 oz6.61 lb

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 portobello mushrooms is 1 kg?
A kg of portobello mushrooms is about 8.33 medium portobello mushrooms, since a medium portobello mushroom weighs 120 g. With small portobello mushrooms that figure is about 12.5 and with large portobello mushrooms about 5. Set the size selector to match what you have, then read the exact count above. The converter runs both ways for any weight. Open the portobello mushroom converter
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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