In this article, I’ve put together a calculator and charts so you can quickly work out the exact weights, calories, and servings of various portions of flaxseed.
All weights are converted in both metric and imperial and I’ve included images of weights so you can get an idea of what they look like.
Flax Seed Weght Conversions
The chart below shows some quick conversion amounts for golden flaxseeds for both metric and imperial weights.
| Flaxseed measurement | Metric Weight of flaxseed | Imperial Weight of flaxseed |
| Teaspoon (tsp) | 3.2g/ml | 0.11oz/fl oz |
| Tablespoon (tbsp) | 9.6g/ml | 0.34oz/fl oz |
| 1 US Cup | 175g/ml | 6.17oz/fl oz |
| 1/2 US Cup | 87.5g/ml | 3.09oz/fl oz |
Flaxseed Weight and Calorie Calculator
Use the calculator below to work out the weight and calories for your serving of flaxseeds for various conversions.
This calculator is based on metric and imperial weights using the assumption that flaxseeds contain 4.95kcal per gram (as per pack information).
Please select your measurement type to continue:
How Much Does a Teaspoon of Flaxseeds Weigh?
I did the research and weighed a level teaspoon of golden flaxseeds on precision scales and here are the results:
One level teaspoon (5ml) of golden flax seed weighs around 3.2g (0.11oz) and contains 16 calories (in kcal).
How Much Does a Tablespoon of Flaxseeds Weigh?
I did the research and weighed a level teaspoon of golden flaxseeds on precision scales and here are the results
One level tablespoon of golden flax seed weighs around 9.6g (0.34oz) and contains 48 calories (in kcal).
How Much Does One Cup of Flaxseed Weigh
I weighed a full cup of golden flaxseed to see what it weighed (excluding the cup), here are the results:
One US cup (236.6ml) of whole golden flaxseed weighs 175g (6.17oz).
Half a US Cup (118.3ml) of whole golden flaxseed weighs 87.5g (3.09oz)
How Much is a Serving of Flax Seeds
The recommended serving of flaxseeds is one tablespoon of seeds. One tablespoon of flaxseeds weighs 9.6g (0.43oz) and contains 48kcal.
Each tablespoon of flaxseed contains:
- 0.9g carbohydrate
- 2.2g Protien
- 2.2g fiber
This image shows what one level tablespoon of flaxseed looks like:
Flaxseed Weight and Calorie Chart
Use the chart below to find more flaxseed serving weights and calories, these figures are based on pack information which confirms flaxseeds contain 4.95kcal per gram.
| Flaxseed Serving Size | Weight (in grams & ounces) | Calories (in kcal) |
| 1 teaspoon | 3.2g/0.11oz | 16 |
| 2 teaspoons | 6.4g/1.28oz | 20 |
| 3 teaspoons | 9.6g/0.34oz | 48 |
| 4 teaspoons | 12.8g/0.45oz | 63 |
| 5 teaspoons | 16g/0.56oz | 79 |
| 6 teaspoons | 19.2g/0.68oz | 95 |
| 7 teaspoons | 22.4g/0.79oz | 111 |
| 8 teaspoons | 25.6g/0.90oz | 127 |
| 9 teaspoons | 28.8g/1.02oz | 143 |
| 10 teaspoons | 32g/1.23oz | 320 |
| 1 tablespoon (one serving) | 9.6g/0.34oz | 48 |
| 2 tablespoons | 19.2g/0.68oz | 95 |
| 3 tablespoons | 28.8g/1.02oz | 143 |
| 4 tablespoons | 38.4g/1.35oz | 190 |
| 5 tablespoons | 48g/1.69oz | 237 |
| 25g of flaxseed | 25g/0.88oz | 124 |
| 50g of flaxseed | 50g/1.76oz | 248 |
| 75g of flaxseed | 75g/2.65oz | 371 |
| 100g of flaxseed | 100g/3.53oz | 495 |
| 1oz of flaxseed | 28.3g/1oz | 140 |
| 2oz of flaxseed | 56.7g/2oz | 281 |
| 3oz of flaxseed | 85g/3oz | 421 |
| 4oz of flaxseed | 113.4g/4oz | 561 |
More Flaxseed FAQs
There is 20000mg of omega 3 (ALA) in 25g (0.88oz) of golden flaxseeds and 5000mg of omega 3 in 100g of flaxseeds.
There is only 2.3g of carbohydrate in 25g (0.88oz) of golden flaxseeds and 5.3g of fiber.
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