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How to Calculate How Much Sugar Is in Food?

Published in Food Sugar Analysis 2 mins read

To calculate the amount of sugar in food, follow these three steps:

Step 1: Calculate Sugars per Gram

First, determine the amount of sugars per gram. You can find this information on the food's nutrition label. Look for "Sugars" within the nutritional information, which is usually provided per 100g or 100ml. Divide the stated amount of sugars per 100g (or 100ml) by 100 to find the amount per single gram.

  • Example: If the label says 20g of sugars per 100g, divide 20 by 100. This gives you 0.2g of sugars per gram of food.

Step 2: Check Portion Size

Next, locate the recommended portion size on the packaging. Portion sizes can vary significantly depending on the product. Knowing this helps in calculating the sugar content for a typical serving.

Step 3: Calculate Total Sugars Per Portion

Finally, multiply the result from Step 1 (sugars per gram) by the portion size from Step 2. This will give you the total amount of sugar in the recommended portion of the food.

  • Example: If you have 0.2g of sugars per gram, and a portion is 50g, you would multiply 0.2g * 50g = 10g of sugar in that serving.


Here is a table summarizing the process:

Step Action Example
1 Sugars per gram calculation 20g sugar/100g = 0.2g sugar/gram
2 Identify the portion size 50g
3 Calculate total sugars 0.2g/gram * 50g = 10g of sugar per portion


Following these steps will help you accurately calculate the sugar content in the foods you consume. This information helps you to manage your sugar intake and make informed dietary choices.

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