How many grams is one medium fennel bulb?

One medium fennel bulb is about 300 grams, a small one about 200 grams and a large one about 450 grams. Fennel bulbs vary in size, which is the main reason a recipe that counts fennel bulbs can still vary in weight. Set the size selector to match what you have, then read the exact figure for any count above.

What is the average fennel bulb weight in grams?

The average, or medium, fennel bulb weighs about 300 grams. A small one is closer to 200 grams and a large one closer to 450 grams, so fennel bulbs vary a fair amount by size. Set the size selector above to match what you have, then read the exact grams figure for any count.

Convert Fennel from Whole Fennel bulbs to Grams

Use the tool below to convert fennel from Whole Fennel bulbs to Grams.

A small fennel bulb is 200 g and a large one 450 g, so 'one bulb' in a braise or salad can swing the result. Pick the right size below to keep roasts, slaws, and soups on target.

How much does a fennel bulb weigh in grams?

A medium, or average, fennel bulb weighs about 300 g, with a small one around 200 g and a large one around 450 g. Set the size selector to match what you have, then read the exact gram weight for any number of fennel bulbs above.

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Fennel converter tool

Enter an amount, pick your units, and set the size for counting whole fennel bulbs.

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Fennel bulb sizeSize applies to whole fennel bulbs (small / medium / large).

Result

300 g

Fennel Calculators & Kitchen Tools

Working with fennel? These tools handle the jobs a converter cannot.

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Common Fennel conversions

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

fennel bulbs	Grams
1 fennel bulb	300 g
2 fennel bulbs	600 g
3 fennel bulbs	900 g
4 fennel bulbs	1200 g
5 fennel bulbs	1500 g
6 fennel bulbs	1800 g

For the reverse conversion, see how many fennel bulbs are in 200 grams.

Fennel conversion chart

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

fennel bulbs	g	cups	cups (US)	oz	lb	kg
1 fennel bulb	300 g	3.33 cups	3.49 cups (US)	10.58 oz	0.66 lb	0.3 kg
2 fennel bulbs	600 g	6.67 cups	6.98 cups (US)	21.16 oz	1.32 lb	0.6 kg
3 fennel bulbs	900 g	10 cups	10.47 cups (US)	31.75 oz	1.98 lb	0.9 kg
4 fennel bulbs	1200 g	13.33 cups	13.95 cups (US)	42.33 oz	2.65 lb	1.2 kg
5 fennel bulbs	1500 g	16.67 cups	17.44 cups (US)	52.91 oz	3.31 lb	1.5 kg

Fennel 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 fennel varieties compare.

Variety	Best for
Florence (Romanesco)	Roasting and salads: large round bulb, crisp and sweetly anise-scented.
Zefa Fino	All-purpose: reliable round bulb that resists bolting, good raw or cooked.
Perfection	Braising and slaws: sweet, tender bulb fennel with a mild aniseed flavour.

Which should I pick?

For roasting, braising, and shaving raw into salads, Florence fennel (the round supermarket bulb) is the one to buy: crisp, anise-scented, and widely stocked. No named variety? Most shops sell it as fennel and it works for any recipe. Romanesco and Zefa Fino are reliable round-bulb types for the garden, and Perfection is another sweet, bolt-resistant bulb fennel.

Frequently Asked Questions

How many grams is one medium fennel bulb?: One medium fennel bulb is about 300 grams, a small one about 200 grams and a large one about 450 grams. Fennel bulbs vary in size, which is the main reason a recipe that counts fennel bulbs can still vary in weight. Set the size selector to match what you have, then read the exact figure for any count above. Open the fennel converter
What is the average fennel bulb weight in grams?: The average, or medium, fennel bulb weighs about 300 grams. A small one is closer to 200 grams and a large one closer to 450 grams, so fennel bulbs vary a fair amount by size. Set the size selector above to match what you have, then read the exact grams figure for any count.
Which fennel variety should I use?: For roasting, braising, and shaving raw into salads, Florence fennel (the round supermarket bulb) is the one to buy: crisp, anise-scented, and widely stocked. No named variety? Most shops sell it as fennel and it works for any recipe. Romanesco and Zefa Fino are reliable round-bulb types for the garden, and Perfection is another sweet, bolt-resistant bulb fennel.

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