In this article, I’ve put together a calculator and charts so you can quickly work out the exact weights and calories of various portions of Brussels Sprouts, including weights per person for meal planning.
How Much Does a Brussells Sprout Weigh?
I weighed a large number of different-sized Brussels sprouts to get an average weight and found the following:
The average weight of one medium-trimmed Brussels Sprout is around 15g/0.5oz.
| Conversion | Weight of One Average Brussels Sprout |
| Grams | 15 |
| Ounces | 0.5 |
| Kilograms | 0.015 |
| Pounds | 0.03 |
Brussels Sprouts Size Categories and Weights
Because Brussels sprouts are a natural product, they vary in size, so to make it easy to work out portion sizes and weights, I’ve categorized them into three sizes, which are baby, medium, and large.
To get an idea of what these sizes look like, a baby sprout is around the size of a grape, a medium sprout is around the size of a walnut (shell on) and a large sprout is about the size of a small plum.
| Brussels Sprouts Size | Average Weight Per Sprout |
| Baby Brussels Sprouts | 5-10g |
| Medium-Sized Brussels Sprouts | 11-20g |
| Large Brussels Sprouts | 21-30g |
Brussels Sprouts Weight and Calorie Calculator
Use the calculator below to work out the weight and calories for your serving of Brussels Sprout.
This calculator is based on an average Brussels Sprout weight of 15g (0.5oz) and that each Sprout contains 8 calories (in kcal).
How Many Brussels Sprouts are in a Serving?
The recommended vegetable portion size for an adult is 80g/2.8oz, based on this information an average serving of Brussels Sprouts is:
An 80g serving of Brussels sprouts is equal to around 10-16 baby sprouts, 5-7 medium sprouts, or 3-4 large sprouts.
Brussells Sprouts Serving Weights
If you’re meal planning and you need to know the Brussels sprouts weight you’ll need for your party size, then use the chart below to work out what you’ll need to buy.
Keep in mind that most Fresh Brussells sprouts will need trimming to get to the clean leaves beneath so there might be some wastage.
| Number of People | Weight of trimmed Brussels sprouts you will need |
| 1 | 80g/2.8oz |
| 2 | 160g/5.6oz |
| 3 | 240g/8.5oz |
| 4 | 320g/11.3oz |
| 5 | 400g/14.1oz |
| 6 | 480g/1.06lb |
| 7 | 560g/1.23lb |
| 8 | 640g/1.4lb |
| 9 | 720g/1.6lb |
| 10 | 800g/1.8lb |
Brussels Sprouts Trimmings and Waste
When you buy fresh Brussels sprouts, they usually need trimming to remove dirty outer leaves and to remove some of the stalk so so it cooks evenly when boiled.
It can be useful to know the waste weight, so you can allow for this amount when meal planning or calorie calculating, so here is the information:
I weighed the trimmings from average-sized Brussels sprouts and the average waste leaves from each sprout is around 5-7g (0.18-0.25oz).
Brussels Sprouts Weight and Calorie Chart
Use the chart below to find more Brussels Sprouts weights and calories, these figures are based on an average Brussels sprout weighing 15g (0.5oz) and containing 8kcal per gram (as per MyFitnessPal).
| Brussels Sprouts Serving Size | Average Weight | Calories (in kcal) |
| 1 sprout | 15g/0.53oz | 8 |
| 2 sprouts | 30g/1.06oz | 16 |
| 3 sprouts | 45g/1.59oz | 24 |
| 4 sprouts | 60g/2.12oz | 32 |
| 5 sprouts | 75g/2.65oz | 40 |
| 6 sprouts | 90g/3.17oz | 48 |
| 7 sprouts | 105g/3.7oz | 56 |
| 8 sprouts | 120g/4.23oz | 64 |
| 9 sprouts | 135g/4.76oz | 72 |
| 10 sprouts | 150g/5.29oz | 80 |
| 25g | 25g/0.88oz | 13 |
| 50g | 50g/1.76oz | 26 |
| 75g | 75g/2.65oz | 40 |
| 100g | 100g/3.53oz | 53 |
| 1oz | 28.3g/1oz | 15 |
| 2oz | 56.7g/2oz | 30 |
| 3oz | 85g/3oz | 45 |
| 4oz | 113.4g/4oz | 60 |
More Brussels Sprout Weight FAQs
Based on an average Brussels sprout weight, there are around 10-20 baby sprouts, 5-9 medium-sized sprouts, or 3-5 large Brussels sprouts in 100g.
Based on an average Brussels sprout weight, there are around 100-200 baby sprouts, 50-90 medium-sized sprouts, or 33-48 large Brussels sprouts in a kilogram.
Based on an average Brussels sprout weight, there are around 45-91 baby sprouts, 23-41 medium-sized sprouts, or 15-22 large Brussels sprouts in a pound.
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