Use this page to help you to calculate the weights and calories of any serving size or portion of unshelled peanuts, including standard peanuts, dry-roasted, and jumbo peanuts.
The easy-to-use calculator and charts below will help you to calculate both cooking weight conversions and calorie amounts depending on what information you need.
How Much Does an Unshelled Peanut Weigh?
I weighed a number of standard-sized whole unshelled peanuts to find an average weight per nut and here are the results:
The weight of a whole unshelled average-sized peanut is 0.8g/0.028oz. Individual peanut weights range from around 0.6g/0.021oz up to around 1g/0.035oz which is classed as a jumbo peanut.
The table below shows more conversions if you need them:
| Conversion | Weight of One Average-Sized Peanut |
| Grams | 0.8g |
| Ounces | 0.028oz |
| Kilograms | 0.0008kg |
| Pounds | 0.0018lb |
How Many Peanuts are in a Serving?
Although peanuts are a good source of protein, they’re also relatively high in natural fats and calories so if you’re calorie counting, it’s a good idea to know how many are in a portion.
The recommended portion/serving size per portion of peanuts is 1oz/28.4g or a handful. Based on an average-sized peanut weighing 0.8g (0.028oz), there are around 35 peanuts in a serving and an average serving contains 161 calories (in kcal).
Peanut Calculator
The calculator below will help you to quickly calculate the weight and calories of your portion of peanuts.
This calculator is based on an average unshelled weight of 0.8g (0.028oz) per nut and that peanuts contain 5.67kcal per gram (as per USDA).
How Many Peanuts Per Weight?
The table below will help you to work out how many average-sized peanuts you get in various serving sizes, along with the number of calories per serving.
This information is based on an average unshelled peanut weight of 0.8g (0.028oz) per nut and that peanuts contain 5.67kcal per gram.
Figures are rounded up to down to the nearest whole peanut and will work for salted, unsalted, and dry roasted peanuts.
| Serving size | Number of peanuts per serving | Calories per serving (in kcal) |
| 5g | 6 | 28 |
| 10g | 13 | 74 |
| 15g | 19 | 85 |
| 20g | 25 | 113 |
| 25g | 31 | 142 |
| 30g | 38 | 170 |
| 35g | 44 | 198 |
| 40g | 50 | 227 |
| 45g | 56 | 255 |
| 50g | 63 | 284 |
| 1/2oz | 18 | 79 |
| 1oz | 35 | 161 |
| 1 1/2oz | 53 | 241 |
| 2oz | 71 | 321 |
How Much Does a Cup of Peanuts Weigh?
I weighed a cup full of average-sized unshelled peanuts to get a weight per US cup and found the following:
A full US cup of average-sized peanuts weighs 150g/5.29oz and contains around 188 whole unshelled peanuts.
Half a US cup of peanuts weighs around 75g/2.65oz and contains around 94 individual peanuts in total.
Salted & Unsalted Peanut Weight & Calorie Chart
The conversion table below shows more peanut servings to help you quickly work out the weight and calories for your serving.
This chart is based on an average unshelled salted or unsalted peanut weight of 0.8g (0.028oz) per nut and that peanuts contain 5.67kcal per gram.
Please note – because peanuts are a natural product, some weigh more and some weigh less than the average amount.
| Peanut serving size | Average weight (in grams and ounces) | Average calories (in kcal) |
| 1 nut | 0.8g/0.028oz | 5 |
| 2 nuts | 1.6g/0.07oz | 9 |
| 3 nuts | 2.4g/0.08oz | 14 |
| 4 nuts | 3.2g/0.11oz | 18 |
| 5 nuts | 4g/0.14oz | 23 |
| 6 nuts | 4.8g/0.16oz | 27 |
| 7 nuts | 5.6g/0.2oz | 32 |
| 8 nuts | 6.4g/0.23oz | 36 |
| 9 nuts | 7.2g/0.25oz | 41 |
| 10 nuts | 8g/0.3oz | 45 |
| 1 serving | 28.3g/1oz | 160 |
| 1/2 serving | 14.2g/0.5oz | 81 |
| 25g of nuts | 25g/0.9oz | 142 |
| 50g of nuts | 50g/1.8oz | 284 |
| 75g of nuts | 75g/2.6oz | 425 |
| 100g of nuts | 100g/3.5oz | 567 |
| 1oz of nuts | 28.3g/1oz | 160 |
| 2oz of nuts | 56.7g/2oz | 321 |
| 3oz of nuts | 85g/3oz | 482 |
| 4oz of nuts | 113.4g/4oz | 643 |
Dry Roasted Peanuts Weights & Calories
The conversion table below shows dry roasted peanut servings to help you quickly work out the weight and calories for your serving.
This chart is based on an average unshelled dry roasted peanut weight of 0.8g (0.028oz) per nut and using the assumption that dry roasted peanuts contain 5.94kcal per gram.
Please note – because peanuts are a natural product, some weigh more and some weigh less than the average amount.
| Peanut serving size | Average weight (in grams and ounces) | Average calories (in kcal) |
| 1 nut | 0.8g/0.028oz | 5 |
| 2 nuts | 1.6g/0.07oz | 10 |
| 3 nuts | 2.4g/0.08oz | 14 |
| 4 nuts | 3.2g/0.11oz | 19 |
| 5 nuts | 4g/0.14oz | 24 |
| 6 nuts | 4.8g/0.16oz | 29 |
| 7 nuts | 5.6g/0.2oz | 33 |
| 8 nuts | 6.4g/0.23oz | 38 |
| 9 nuts | 7.2g/0.25oz | 43 |
| 10 nuts | 8g/0.3oz | 48 |
| 1 serving | 28.3g/1oz | 168 |
| 1/2 serving | 14.2g/0.5oz | 84 |
| 25g of nuts | 25g/0.9oz | 149 |
| 50g of nuts | 50g/1.8oz | 297 |
| 75g of nuts | 75g/2.6oz | 446 |
| 100g of nuts | 100g/3.5oz | 594 |
| 1oz of nuts | 28.3g/1oz | 168 |
| 2oz of nuts | 56.7g/2oz | 337 |
| 3oz of nuts | 85g/3oz | 505 |
| 4oz of nuts | 113.4g/4oz | 674 |
Jumbo Peanuts Weights & Calories
The conversion table below shows unshelled jumbo peanut servings (either salted or unsalted) to help you quickly work out the weight and calories for your serving.
This chart is based on an average jumbo peanut weight of 1g (0.035oz) per nut and that peanuts contain 5.67kcal per gram.
Please note – because peanuts are a natural product, some weigh more and some weigh less than the average amount.
| Peanut serving size | Average weight (in grams and ounces) | Average calories (in kcal) |
| 1 nut | 1g/0.035oz | 6 |
| 2 nuts | 2g/0.07oz | 11 |
| 3 nuts | 3g/0.1oz | 17 |
| 4 nuts | 4g/0.14oz | 23 |
| 5 nuts | 5g/0.18oz | 28 |
| 6 nuts | 6g/0.21oz | 34 |
| 7 nuts | 7g/0.25oz | 40 |
| 8 nuts | 8g/0.28oz | 45 |
| 9 nuts | 9g/0.32oz | 51 |
| 10 nuts | 10g/0.35oz | 57 |
| 1 serving | 28.3g/1oz | 160 |
| 1/2 serving | 14.2g/0.5oz | 81 |
| 25g of nuts | 25g/0.9oz | 142 |
| 50g of nuts | 50g/1.8oz | 284 |
| 75g of nuts | 75g/2.6oz | 425 |
| 100g of nuts | 100g/3.5oz | 567 |
| 1oz of nuts | 28.3g/1oz | 160 |
| 2oz of nuts | 56.7g/2oz | 321 |
| 3oz of nuts | 85g/3oz | 482 |
| 4oz of nuts | 113.4g/4oz | 643 |
More Peanut Weight FAQ’s
Using an average weight of 0.8g/0.028oz per peanut there are around 125 peanuts in100g.
Based on an average-sized peanut weighing 0.8g/0.028oz, you need around 22 peanuts to make up 100 calories.
A handful of peanuts weighs around 1oz/28.3g and is the recommended serving size of peanuts. A serving of this size contains around 160 calories (in kcal)
30g of peanuts is equal to around one large handful of nuts and is equal to around 170 calories (in kcal).
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