Nutrition Value Calculator

Nutrition Value Calculator

Use this calculator to determine the total nutritional values (calories, protein, fat, and carbohydrates) for a specific quantity of food, based on its per 100g nutritional information. This is useful for tracking your macronutrients and overall caloric intake accurately.

function calculateNutrition() { var caloriesPer100g = parseFloat(document.getElementById('caloriesPer100g').value); var proteinPer100g = parseFloat(document.getElementById('proteinPer100g').value); var fatPer100g = parseFloat(document.getElementById('fatPer100g').value); var carbsPer100g = parseFloat(document.getElementById('carbsPer100g').value); var quantityGrams = parseFloat(document.getElementById('quantityGrams').value); var resultDiv = document.getElementById('nutritionResult'); resultDiv.innerHTML = "; // Clear previous results if (isNaN(caloriesPer100g) || isNaN(proteinPer100g) || isNaN(fatPer100g) || isNaN(carbsPer100g) || isNaN(quantityGrams) || caloriesPer100g < 0 || proteinPer100g < 0 || fatPer100g < 0 || carbsPer100g < 0 || quantityGrams <= 0) { resultDiv.innerHTML = 'Please enter valid positive numbers for all fields. Quantity consumed must be greater than 0.'; return; } var factor = quantityGrams / 100; var totalCalories = caloriesPer100g * factor; var totalProtein = proteinPer100g * factor; var totalFat = fatPer100g * factor; var totalCarbs = carbsPer100g * factor; resultDiv.innerHTML = '

Calculated Nutrition Values:

' + 'Total Calories: ' + totalCalories.toFixed(1) + ' kcal' + 'Total Protein: ' + totalProtein.toFixed(1) + ' g' + 'Total Fat: ' + totalFat.toFixed(1) + ' g' + 'Total Carbohydrates: ' + totalCarbs.toFixed(1) + ' g'; } .nutrition-value-calculator-container { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: #f9f9f9; padding: 25px; border-radius: 10px; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1); max-width: 600px; margin: 30px auto; border: 1px solid #e0e0e0; } .nutrition-value-calculator-container h2 { color: #2c3e50; text-align: center; margin-bottom: 20px; font-size: 28px; } .nutrition-value-calculator-container p { color: #555; line-height: 1.6; margin-bottom: 15px; text-align: justify; } .calculator-form .form-group { margin-bottom: 18px; display: flex; flex-direction: column; } .calculator-form label { font-weight: bold; margin-bottom: 8px; color: #34495e; font-size: 16px; } .calculator-form input[type="number"] { width: 100%; padding: 12px; border: 1px solid #ccc; border-radius: 6px; font-size: 16px; box-sizing: border-box; transition: border-color 0.3s ease; } .calculator-form input[type="number"]:focus { border-color: #007bff; outline: none; box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25); } .calculate-button { display: block; width: 100%; padding: 14px 20px; background-color: #28a745; color: white; border: none; border-radius: 6px; font-size: 18px; cursor: pointer; transition: background-color 0.3s ease, transform 0.2s ease; margin-top: 25px; } .calculate-button:hover { background-color: #218838; transform: translateY(-2px); } .calculate-button:active { background-color: #1e7e34; transform: translateY(0); } .calculator-result { margin-top: 30px; padding: 20px; background-color: #e9f7ef; border: 1px solid #d4edda; border-radius: 8px; color: #155724; font-size: 17px; } .calculator-result h3 { color: #155724; margin-top: 0; margin-bottom: 15px; font-size: 22px; text-align: center; } .calculator-result p { margin-bottom: 10px; font-size: 16px; color: #155724; text-align: left; } .calculator-result p strong { color: #0f3d1a; }

Understanding Your Nutrition: The Importance of Tracking

Whether you're aiming for weight loss, muscle gain, or simply maintaining a healthy lifestyle, understanding the nutritional content of the food you eat is paramount. Our Nutrition Value Calculator helps you precisely determine the calories and macronutrients (protein, fat, carbohydrates) for any given quantity of food, provided you have its per 100g nutritional information.

Why Use a Nutrition Value Calculator?

• Accurate Calorie Tracking: Many diets and fitness goals revolve around a specific caloric intake. This calculator helps you stay within your targets by providing exact calorie counts for your portions.
• Macronutrient Management: For athletes, bodybuilders, or individuals with specific dietary needs, managing protein, fat, and carbohydrate intake is crucial. This tool allows you to adjust your portions to meet your macro goals.
• Portion Control: Often, food labels provide nutrition facts per serving, but your actual serving might differ. By inputting your exact quantity in grams, you get a true picture of what you're consuming.
• Dietary Planning: When preparing meals or planning your daily intake, this calculator can be invaluable for ensuring your meals align with your nutritional objectives.

How to Use This Calculator

Using the calculator is straightforward:

1. Find Per 100g Values: Look for the nutritional information on your food packaging. Most labels provide values for calories, protein, fat, and carbohydrates per 100 grams. If it's per serving, you might need to do a quick conversion (e.g., if a serving is 50g and has X calories, then 100g would have 2X calories).
2. Enter Values: Input the 'Calories per 100g', 'Protein per 100g', 'Fat per 100g', and 'Carbohydrates per 100g' into the respective fields.
3. Enter Quantity Consumed: Measure the exact amount of food you are eating in grams and enter it into the 'Quantity Consumed (grams)' field. A kitchen scale is highly recommended for accuracy.
4. Calculate: Click the "Calculate Nutrition" button. The calculator will then display the total calories, protein, fat, and carbohydrates for the quantity you entered.

Example Scenario

Let's say you're eating a piece of chicken breast and want to know its nutritional value. You check the packaging and find the following per 100g:

• Calories: 165 kcal
• Protein: 31 g
• Fat: 3.6 g
• Carbohydrates: 0 g

You weigh your portion and find it's 150 grams.

Using the calculator:

• Enter 165 for Calories per 100g.
• Enter 31 for Protein per 100g.
• Enter 3.6 for Fat per 100g.
• Enter 0 for Carbohydrates per 100g.
• Enter 150 for Quantity Consumed (grams).

Upon clicking "Calculate Nutrition", the results would show:

• Total Calories: (165 / 100) * 150 = 247.5 kcal
• Total Protein: (31 / 100) * 150 = 46.5 g
• Total Fat: (3.6 / 100) * 150 = 5.4 g
• Total Carbohydrates: (0 / 100) * 150 = 0 g

This precise breakdown empowers you to make informed decisions about your diet and achieve your health and fitness goals more effectively.