Free Nutrition Facts Calculator

Nutrition Facts Calculator body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: #f8f9fa; color: #333; line-height: 1.6; margin: 0; padding: 20px; display: flex; justify-content: center; align-items: flex-start; /* Align items to the top */ min-height: 100vh; } .loan-calc-container { background-color: #ffffff; padding: 30px; border-radius: 8px; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1); width: 100%; max-width: 700px; box-sizing: border-box; } h1, h2 { color: #004a99; text-align: center; margin-bottom: 25px; } .input-group { margin-bottom: 20px; display: flex; align-items: center; gap: 15px; flex-wrap: wrap; /* Allow wrapping on smaller screens */ } .input-group label { flex: 1 1 150px; /* Flex properties for label */ min-width: 150px; /* Minimum width for label */ font-weight: bold; color: #004a99; } .input-group input[type="number"] { flex: 2 1 200px; /* Flex properties for input */ padding: 10px 15px; border: 1px solid #ccc; border-radius: 5px; font-size: 1rem; box-sizing: border-box; /* Include padding and border in the element's total width and height */ min-width: 100px; /* Ensure input has a minimum width */ } .input-group input[type="number"]:focus { border-color: #004a99; outline: none; box-shadow: 0 0 0 2px rgba(0, 74, 153, 0.2); } button { display: block; width: 100%; padding: 12px 20px; background-color: #004a99; color: white; border: none; border-radius: 5px; font-size: 1.1rem; cursor: pointer; transition: background-color 0.3s ease; margin-top: 20px; } button:hover { background-color: #003366; } #result { margin-top: 30px; padding: 20px; background-color: #e7f3ff; /* Light blue background for emphasis */ border: 1px solid #004a99; border-radius: 5px; text-align: center; font-size: 1.2rem; font-weight: bold; color: #004a99; } #result span { font-size: 1.5rem; color: #28a745; /* Success green for the calculated value */ } .article-content { margin-top: 40px; border-top: 1px solid #eee; padding-top: 30px; text-align: left; } .article-content h2 { text-align: left; margin-bottom: 15px; } .article-content p, .article-content ul { margin-bottom: 15px; } .article-content code { background-color: #eef; padding: 2px 6px; border-radius: 3px; } /* Responsive Adjustments */ @media (max-width: 600px) { .input-group { flex-direction: column; align-items: stretch; /* Stretch items to fill width */ } .input-group label, .input-group input[type="number"] { flex: none; /* Remove flex basis, let them take full width */ width: 100%; margin-bottom: 10px; /* Add some space between stacked items */ } .loan-calc-container { padding: 20px; } }

Nutrition Facts Calculator

Understanding Your Nutrition Facts

The Nutrition Facts label is a standardized label that appears on most packaged foods and beverages. It provides detailed information about the nutritional content of a serving of food, allowing consumers to make informed dietary choices. This calculator helps you determine the nutritional breakdown for a specific serving size of a food item, based on its per 100g values.

How the Calculator Works:

This calculator takes the nutritional values provided "per 100 grams" (or per 100ml for liquids) of a food product and scales them to a specified "Serving Size" in grams. The fundamental principle is a simple ratio or proportion.

For each nutrient (Calories, Total Fat, Protein, etc.), the calculation is as follows:

Nutrient per Serving = (Nutrient per 100g / 100) * Serving Size (g)

For example, if a food has 15g of Total Fat per 100g and your serving size is 50g:

Total Fat per 50g Serving = (15g / 100) * 50g = 7.5g

Similarly, for Calories:

Calories per Serving = (Calories per 100g / 100) * Serving Size (g)

Key Nutrients and Their Importance:

  • Calories: The energy your body gets from food.
  • Total Fat: Includes saturated and trans fats. Essential for bodily functions but should be consumed in moderation.
  • Saturated Fat: Fat that is solid at room temperature; excessive intake can increase the risk of heart disease.
  • Trans Fat: Artificially created fats; linked to increased risk of heart disease and should be avoided as much as possible.
  • Cholesterol: A waxy substance found in animal products; high intake can affect blood cholesterol levels.
  • Sodium: Essential for fluid balance, but high intake is linked to high blood pressure.
  • Total Carbohydrates: Provide energy. Includes fiber and sugars.
  • Dietary Fiber: Aids digestion and can help manage blood sugar and cholesterol levels.
  • Total Sugars: Includes naturally occurring and added sugars. Excessive added sugar intake is linked to various health problems.
  • Protein: Essential for building and repairing tissues.

Use Cases:

  • Portion Control: Easily understand the nutritional impact of different portion sizes.
  • Diet Planning: Accurately track nutrient intake for weight management or specific dietary goals.
  • Health Monitoring: Keep an eye on intake of key nutrients like sodium, saturated fat, and added sugars.
  • Recipe Analysis: Estimate the nutritional profile of homemade dishes by inputting ingredients per 100g.

By understanding and calculating the nutrition facts for your specific serving sizes, you gain a powerful tool for managing your diet and improving your overall health.

function calculateNutrition() { var servingSize = parseFloat(document.getElementById("servingSize").value); var caloriesPer100g = parseFloat(document.getElementById("calories").value); var totalFatPer100g = parseFloat(document.getElementById("totalFat").value); var saturatedFatPer100g = parseFloat(document.getElementById("saturatedFat").value); var transFatPer100g = parseFloat(document.getElementById("transFat").value); var cholesterolPer100g = parseFloat(document.getElementById("cholesterol").value); var sodiumPer100g = parseFloat(document.getElementById("sodium").value); var totalCarbsPer100g = parseFloat(document.getElementById("totalCarbs").value); var dietaryFiberPer100g = parseFloat(document.getElementById("dietaryFiber").value); var sugarsPer100g = parseFloat(document.getElementById("sugars").value); var proteinPer100g = parseFloat(document.getElementById("protein").value); var resultDiv = document.getElementById("result"); resultDiv.innerHTML = ""; // Clear previous results if (isNaN(servingSize) || servingSize <= 0) { resultDiv.innerHTML = "Please enter a valid serving size (greater than 0)."; return; } // Calculate scaled values var calories = !isNaN(caloriesPer100g) ? (caloriesPer100g / 100) * servingSize : 0; var totalFat = !isNaN(totalFatPer100g) ? (totalFatPer100g / 100) * servingSize : 0; var saturatedFat = !isNaN(saturatedFatPer100g) ? (saturatedFatPer100g / 100) * servingSize : 0; var transFat = !isNaN(transFatPer100g) ? (transFatPer100g / 100) * servingSize : 0; var cholesterol = !isNaN(cholesterolPer100g) ? (cholesterolPer100g / 100) * servingSize : 0; var sodium = !isNaN(sodiumPer100g) ? (sodiumPer100g / 100) * servingSize : 0; var totalCarbs = !isNaN(totalCarbsPer100g) ? (totalCarbsPer100g / 100) * servingSize : 0; var dietaryFiber = !isNaN(dietaryFiberPer100g) ? (dietaryFiberPer100g / 100) * servingSize : 0; var sugars = !isNaN(sugarsPer100g) ? (sugarsPer100g / 100) * servingSize : 0; var protein = !isNaN(proteinPer100g) ? (proteinPer100g / 100) * servingSize : 0; // Format results to a reasonable number of decimal places var formattedCalories = calories.toFixed(0); var formattedTotalFat = totalFat.toFixed(1); var formattedSaturatedFat = saturatedFat.toFixed(1); var formattedTransFat = transFat.toFixed(2); // Trans fat often reported with more precision var formattedCholesterol = cholesterol.toFixed(0); var formattedSodium = sodium.toFixed(0); var formattedTotalCarbs = totalCarbs.toFixed(1); var formattedDietaryFiber = dietaryFiber.toFixed(1); var formattedSugars = sugars.toFixed(1); var formattedProtein = protein.toFixed(1); resultDiv.innerHTML = "

Nutrition Facts for a " + servingSize + "g Serving:

" + "Calories: " + formattedCalories + " kcal" + "Total Fat: " + formattedTotalFat + " g" + "   Saturated Fat: " + formattedSaturatedFat + " g" + "   Trans Fat: " + formattedTransFat + " g" + "Cholesterol: " + formattedCholesterol + " mg" + "Sodium: " + formattedSodium + " mg" + "Total Carbohydrates: " + formattedTotalCarbs + " g" + "   Dietary Fiber: " + formattedDietaryFiber + " g" + "   Total Sugars: " + formattedSugars + " g" + "Protein: " + formattedProtein + " g"; }

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