Why is Calculated Calories Lower than Tested?
Understanding the difference between calculated and tested calories is crucial for accurate nutrition tracking. This calculator helps bridge that gap.
- Select a food from the dropdown.
- Enter the weight of the food in grams.
- Click ‘Calculate’ to see the results.
The calculator uses the Atwater system to calculate calories, which is the standard method for food labeling. However, lab tests can show different results due to various factors.
| Food | Weight (g) | Calculated Calories | Tested Calories |
|---|---|---|---|
| Apple | 150 | 77 | 72 |
| Food Category | Average Calorie Difference (%) |
|---|---|
| Fruits | 5.2% |
- Always round down when tracking calories.
- Consider using a food scale for precise measurements.
Why are calculated calories different from tested?
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USDA FoodData Central and FDA Food Additives are great resources for detailed food information.