Gram Calculator Weight

Gram Calculator Weight: Accurate Conversion & Calculation :root { –primary-color: #004a99; –success-color: #28a745; –background-color: #f8f9fa; –text-color: #333; –border-color: #ccc; –shadow-color: rgba(0, 0, 0, 0.1); } body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: var(–background-color); color: var(–text-color); margin: 0; padding: 0; line-height: 1.6; } .container { max-width: 960px; margin: 20px auto; padding: 20px; background-color: #fff; border-radius: 8px; box-shadow: 0 2px 10px var(–shadow-color); } h1, h2, h3 { color: var(–primary-color); text-align: center; margin-bottom: 20px; } h1 { font-size: 2.2em; } h2 { font-size: 1.8em; border-bottom: 2px solid var(–primary-color); padding-bottom: 10px; margin-top: 40px; } h3 { font-size: 1.4em; margin-top: 25px; } .loan-calc-container { background-color: #f1f3f5; padding: 25px; border-radius: 8px; margin-bottom: 30px; box-shadow: inset 0 1px 3px var(–shadow-color); } .input-group { margin-bottom: 15px; text-align: left; } .input-group label { display: block; margin-bottom: 8px; font-weight: 600; color: var(–primary-color); } .input-group input, .input-group select { width: calc(100% – 20px); padding: 10px; border: 1px solid var(–border-color); border-radius: 5px; font-size: 1em; margin-bottom: 5px; } .input-group .helper-text { font-size: 0.85em; color: #666; display: block; margin-top: 5px; } .error-message { color: red; font-size: 0.8em; margin-top: 5px; display: none; /* Hidden by default */ } .button-group { display: flex; justify-content: space-between; margin-top: 20px; gap: 10px; } .button-group button { flex: 1; padding: 12px 20px; border: none; border-radius: 5px; font-size: 1.1em; cursor: pointer; transition: background-color 0.3s ease; font-weight: 600; } .btn-calculate { background-color: var(–primary-color); color: white; } .btn-calculate:hover { background-color: #003366; } .btn-reset, .btn-copy { background-color: #6c757d; color: white; } .btn-reset:hover, .btn-copy:hover { background-color: #5a6268; } #results { margin-top: 30px; background-color: var(–primary-color); color: white; padding: 20px; border-radius: 8px; text-align: center; box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15); } #results h3 { color: white; margin-top: 0; font-size: 1.6em; } #results .main-result { font-size: 2.5em; font-weight: bold; margin-bottom: 15px; } #results .intermediate-results div { margin-bottom: 10px; font-size: 1.1em; } #results .formula-explanation { font-size: 0.9em; font-style: italic; margin-top: 15px; opacity: 0.8; } table { width: 100%; border-collapse: collapse; margin-top: 25px; margin-bottom: 25px; box-shadow: 0 2px 5px var(–shadow-color); } th, td { padding: 12px; text-align: left; border-bottom: 1px solid var(–border-color); } th { background-color: var(–primary-color); color: white; font-weight: 600; } td { background-color: #fdfdfd; } caption { font-size: 1.1em; font-weight: bold; color: var(–primary-color); margin-bottom: 10px; caption-side: top; text-align: left; } .chart-container { text-align: center; margin-top: 30px; background-color: #fff; padding: 20px; border-radius: 8px; box-shadow: 0 2px 10px var(–shadow-color); } canvas { max-width: 100%; height: auto; } .chart-legend { margin-top: 15px; font-size: 0.9em; color: #555; } .chart-legend span { display: inline-block; margin: 0 10px; } .chart-legend .color-box { display: inline-block; width: 15px; height: 15px; margin-right: 5px; vertical-align: middle; border: 1px solid #ccc; } .legend-item1 { background-color: #004a99; } .legend-item2 { background-color: #28a745; } article { margin-top: 40px; background-color: #fff; padding: 30px; border-radius: 8px; box-shadow: 0 2px 10px var(–shadow-color); } article h2 { text-align: left; border-bottom: none; margin-top: 0; } article h3 { text-align: left; margin-top: 20px; color: #0056b3; } article p, article ul, article ol { margin-bottom: 15px; } article ul, article ol { padding-left: 20px; } article li { margin-bottom: 8px; } .faq-list dt { font-weight: bold; color: var(–primary-color); margin-top: 15px; } .faq-list dd { margin-left: 20px; margin-bottom: 10px; } .internal-links ul { list-style: none; padding: 0; } .internal-links li { margin-bottom: 15px; } .internal-links a { color: var(–primary-color); text-decoration: none; font-weight: bold; } .internal-links a:hover { text-decoration: underline; } .internal-links p { font-size: 0.9em; color: #555; } /* Specific styling for the gram calculator */ .unit-display { font-size: 0.8em; color: #555; display: block; margin-top: 5px; }

Gram Calculator Weight: Precision in Measurement

Convert, calculate, and understand mass accurately for any need.

Gram Calculator Tool

Enter the quantity you want to convert or use in a calculation.
Grams (g) Kilograms (kg) Milligrams (mg) Pounds (lb) Ounces (oz) Select the unit of the value you entered.
Unit Conversion Density Calculation Choose the type of calculation you need.
Name of the substance for context.
Volume of the substance.
Cubic Centimeters (cm³) Cubic Meters (m³) Milliliters (ml) Liters (L) Unit for the volume entered.

Calculation Results

Grams Kilograms
Weight Conversion Distribution
Common Unit Conversions
Unit To Grams (g) To Kilograms (kg)
Kilogram (kg) 1000 g 1 kg
Gram (g) 1 g 0.001 kg
Milligram (mg) 0.001 g 0.000001 kg
Pound (lb) ~453.592 g ~0.453592 kg
Ounce (oz) ~28.3495 g ~0.0283495 kg

This comprehensive tool serves as a Gram Calculator Weight, designed to provide accurate weight conversions and density calculations. Whether you're a student, researcher, chef, or hobbyist, understanding mass and its conversions is crucial. This calculator simplifies complex calculations, offering clear results and explanations to aid your understanding of the gram calculator weight.

What is Gram Calculator Weight?

A Gram Calculator Weight is a specialized tool designed to perform calculations involving mass, primarily focusing on grams as a base unit. It allows users to convert weights between various metric and imperial units (like kilograms, milligrams, pounds, and ounces) and can also be used to calculate the density of a substance if its mass and volume are known. The core functionality revolves around the gram, a fundamental unit of mass in the International System of Units (SI). This tool is invaluable for anyone needing precise weight measurements in scientific research, culinary arts, pharmaceutical compounding, material science, and everyday tasks.

Who Should Use It?

  • Scientists & Researchers: For precise measurements in experiments, requiring accurate conversions between different units of mass and density calculations.
  • Chefs & Bakers: To ensure accurate ingredient measurements, especially when following recipes from different regions or converting between grams and ounces/pounds.
  • Students: To learn and verify weight conversions and density calculations for physics, chemistry, and mathematics assignments.
  • Manufacturers & Engineers: For material specification, quality control, and process calculations where mass is a critical parameter.
  • Hobbyists: Such as model builders, jewelers, or pharmacists, who require precise small-scale weight measurements.

Common Misconceptions

  • Grams vs. Gram Force: People sometimes confuse grams (a unit of mass) with gram-force (a unit of force). While related, they are distinct. This calculator deals with mass.
  • Density as a Fixed Property: While density is often treated as a characteristic property, it can vary slightly with temperature and pressure, especially for gases. This calculator uses standard values.
  • Accuracy Limitations: The accuracy of the results depends on the input values and the precision of the conversion factors used. This calculator employs widely accepted standard conversion factors.

Gram Calculator Weight Formula and Mathematical Explanation

The Gram Calculator Weight tool utilizes fundamental principles of unit conversion and the definition of density. Here's a breakdown of the underlying mathematics:

1. Unit Conversion Formula

To convert a weight from one unit to another, we use a conversion factor. The general formula is:

Target Value = Source Value × (Conversion Factor)

For example, to convert kilograms to grams:

Weight in Grams = Weight in Kilograms × 1000

Similarly, to convert grams to pounds:

Weight in Pounds = Weight in Grams × (1 lb / 453.592 g)

2. Density Calculation Formula

Density is defined as mass per unit volume. The formula is:

Density = Mass / Volume

When using the gram calculator weight for density:

  • The input mass (from the first value and unit) is typically converted to grams.
  • The input volume is converted to a standard unit like cubic centimeters (cm³) or milliliters (ml), as 1 ml = 1 cm³.
  • The resulting density will have units like g/cm³ or g/ml.

The calculator performs necessary conversions to ensure consistent units before applying these formulas.

Variables Explained

Variables Used in Calculations
Variable Meaning Unit Typical Range/Values
Value The numerical quantity of the weight or mass being entered. Unit dependent (g, kg, mg, lb, oz) Any positive number
From Unit The original unit of the 'Value' entered. Unit identifier g, kg, mg, lb, oz
Target Unit The desired unit for the converted weight. Unit identifier g, kg, mg, lb, oz
Mass The amount of matter in a substance. grams (g) Positive values
Volume The amount of space occupied by a substance. cm³, m³, ml, L Positive values
Density Mass per unit volume. g/cm³, g/ml, etc. Varies widely by substance
Conversion Factor A ratio used to convert one unit to another. Unitless or reciprocal units Standard constants (e.g., 1000 g/kg)

Practical Examples (Real-World Use Cases)

The gram calculator weight is versatile. Here are two practical examples:

Example 1: Baking – Converting Recipe Ingredients

A recipe calls for 8 ounces of flour, but you only have a digital scale that measures in grams. You need to know how many grams to measure.

  • Inputs:
    • Value: 8
    • From Unit: Ounces (oz)
    • Calculation Type: Unit Conversion
  • Calculation: The calculator uses the conversion factor: 1 oz ≈ 28.3495 g. So, 8 oz × 28.3495 g/oz = 226.796 g.
  • Outputs:
    • Main Result: ~226.8 grams
    • Intermediate: ~0.2268 kg, ~226796 mg, ~0.5 lb
  • Interpretation: You should measure approximately 227 grams of flour for your recipe. This ensures accuracy, crucial for baking success.

Example 2: Science – Calculating Density of a Liquid

You have 500 ml of an unknown liquid. You place it on a scale and it reads 450 grams. You want to find its density.

  • Inputs:
    • Value: 450
    • From Unit: Grams (g)
    • Calculation Type: Density Calculation
    • Substance Name: Unknown Liquid
    • Volume: 500
    • Volume Unit: Milliliters (ml)
  • Calculation:
    • Mass = 450 g
    • Volume = 500 ml (which is equivalent to 500 cm³)
    • Density = Mass / Volume = 450 g / 500 cm³ = 0.9 g/cm³
  • Outputs:
    • Main Result: 0.9 g/cm³
    • Intermediate: ~450 g (mass), 500 ml (volume), ~0.9 kg/L (density converted)
  • Interpretation: The density of the unknown liquid is 0.9 g/cm³. This value is less than water (1 g/cm³), suggesting it might be an oil or alcohol.

How to Use This Gram Calculator Weight

Using our Gram Calculator Weight is straightforward. Follow these steps for accurate results:

  1. Enter the Value: Input the numerical quantity you wish to convert or use in a density calculation.
  2. Select 'From Unit': Choose the unit corresponding to the value you entered (e.g., grams, kilograms, pounds).
  3. Choose Calculation Type:
    • Select 'Unit Conversion' if you want to change the unit of your entered value (e.g., convert kg to g).
    • Select 'Density Calculation' if you know the mass and volume of a substance and want to find its density.
  4. Input Additional Data (if Density): If you selected 'Density Calculation', you will need to enter the 'Volume' and select its corresponding 'Volume Unit'. You can optionally name the substance.
  5. Click 'Calculate': Press the button to see the results.

How to Read Results

  • Main Result: This is the primary calculated value, displayed prominently. For conversions, it's the value in a common unit (like grams). For density, it's the calculated density.
  • Intermediate Results: These show the calculated values in other relevant units (e.g., kilograms, pounds for conversion; mass and volume for density).
  • Density Results: If density was calculated, you'll see the mass and volume used, along with the final density value (often in g/cm³ or g/ml).
  • Formula Explanation: A brief text explains the calculation performed.

Decision-Making Guidance

Use the results to make informed decisions:

  • For Recipes: Ensure ingredients are measured accurately according to the required units.
  • For Science: Verify experimental data, calculate material properties, or identify substances based on their density.
  • For Purchasing: Compare prices of goods sold by weight by converting them to a common unit.

Key Factors That Affect Gram Calculator Weight Results

While the calculations are mathematically precise, several factors influence the practical application and interpretation of results from a Gram Calculator Weight:

  1. Accuracy of Input Data: The most critical factor. If you measure the initial value or volume incorrectly, all subsequent calculations will be inaccurate. Ensure your measuring instruments are calibrated.
  2. Choice of Units: Selecting the wrong 'From Unit' will lead to drastically incorrect conversions. Double-check the units of your source measurement.
  3. Conversion Factor Precision: While standard factors are used here (e.g., 1 kg = 1000 g), some conversions (like pounds to grams) involve many decimal places. The calculator uses a high degree of precision, but extremely sensitive applications might require even more specific factors.
  4. Temperature and Pressure (for Density): Density is affected by temperature and pressure. For highly precise scientific work, especially with gases or liquids near their phase transition points, these factors must be accounted for, which this basic calculator does not typically include.
  5. Substance Purity (for Density): Impurities in a substance can alter its density. The density calculated assumes a pure substance.
  6. Volume Measurement Accuracy: For density calculations, the accuracy of the volume measurement is as important as the mass measurement. Meniscus reading errors or container inaccuracies can affect results.
  7. Contextual Units: Understanding which units are standard or expected in a particular field (e.g., grams in chemistry, kilograms in logistics) helps in presenting and interpreting results correctly.
  8. Rounding: The calculator may display results with many decimal places. Depending on the application, you might need to round the final answer appropriately.

Frequently Asked Questions (FAQ)

Q1: What is the difference between mass and weight?
A1: Mass is the amount of matter in an object (measured in grams, kilograms). Weight is the force of gravity acting on that mass (measured in Newtons). This calculator primarily deals with mass.
Q2: Can this calculator convert between any units of mass?
A2: It covers common metric (g, kg, mg) and imperial (lb, oz) units. For highly specialized units, you might need a different tool.
Q3: What density value does this calculator use for water?
A3: Water's density is approximately 1 g/cm³ (or 1 g/ml) at 4°C. The calculator will compute density based on your inputs; if you input water's mass and volume, you should get close to 1 g/cm³.
Q4: How accurate are the pound (lb) and ounce (oz) conversions?
A4: The calculator uses standard international definitions: 1 lb = 453.59237 grams and 1 oz = 28.349523125 grams. These are highly accurate.
Q5: Can I use this calculator for volume conversions (e.g., ml to L)?
A5: This calculator focuses on mass (weight) and density. While it uses volume inputs for density, it does not perform standalone volume conversions.
Q6: Does temperature affect gram calculations?
A6: Temperature has a very minor effect on the mass of an object itself. However, it significantly affects the *volume* of substances (especially liquids and gases), which in turn affects their *density*. So, indirectly, temperature is crucial for accurate density measurements.
Q7: What happens if I enter a negative value?
A7: The calculator will display an error message, as negative mass or volume is physically impossible in this context.
Q8: Is the 'Copy Results' button secure?
A8: Yes, the 'Copy Results' function uses the browser's built-in clipboard API. It copies the text directly to your clipboard for pasting elsewhere and does not transmit any data.

Related Tools and Internal Resources

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var initialValue = 100; var initialUnit = 'g'; var initialCalcType = 'conversion'; var initialVolume = 100; var initialVolumeUnit = 'ml'; // Chart variables var weightChart; var chartContext; function initializeChart() { chartContext = document.getElementById('weightChart').getContext('2d'); weightChart = new Chart(chartContext, { type: 'bar', // Changed to bar for better visual comparison data: { labels: ['Grams', 'Kilograms'], datasets: [{ label: 'Converted Value', data: [0, 0], backgroundColor: [ 'rgba(0, 74, 153, 0.6)', // Primary color for grams 'rgba(40, 167, 69, 0.6)' // Success color for kilograms ], borderColor: [ 'rgba(0, 74, 153, 1)', 'rgba(40, 167, 69, 1)' ], borderWidth: 1 }] }, options: { responsive: true, maintainAspectRatio: false, scales: { y: { beginAtZero: true, title: { display: true, text: 'Value' } } }, plugins: { legend: { display: false // Legend is handled by the div below the canvas }, title: { display: true, text: 'Weight Comparison (Grams vs. Kilograms)' } } } }); } function updateChart(grams, kg) { if (!weightChart) { initializeChart(); } weightChart.data.datasets[0].data = [grams, kg]; weightChart.update(); } function getConversionFactor(fromUnit) { var factors = { 'g': 1, 'kg': 1000, 'mg': 0.001, 'lb': 453.592, 'oz': 28.3495 }; return factors[fromUnit] || 0; } function getVolumeConversionFactor(fromUnit) { var factors = { 'cm3': 1, 'm3': 1000000, 'ml': 1, 'l': 1000 }; return factors[fromUnit] || 0; } function calculateWeight() { var valueInput = document.getElementById('value'); var unitSelect = document.getElementById('unit'); var calculationTypeSelect = document.getElementById('calculationType'); var volumeInput = document.getElementById('volume'); var volumeUnitSelect = document.getElementById('volumeUnit'); var substanceNameInput = document.getElementById('substanceName'); var value = parseFloat(valueInput.value); var unit = unitSelect.value; var calculationType = calculationTypeSelect.value; var volume = parseFloat(volumeInput.value); var volumeUnit = volumeUnitSelect.value; var substanceName = substanceNameInput.value || 'Substance'; // Clear previous errors document.getElementById('valueError').innerText = "; document.getElementById('volumeError').innerText = "; document.getElementById('valueError').style.display = 'none'; document.getElementById('volumeError').style.display = 'none'; var isValid = true; // Validate main value if (isNaN(value) || valueInput.value.trim() === ") { document.getElementById('valueError').innerText = 'Please enter a valid number for the value.'; document.getElementById('valueError').style.display = 'block'; isValid = false; } else if (value <= 0 && calculationType === 'conversion') { document.getElementById('valueError').innerText = 'Value must be positive for unit conversion.'; document.getElementById('valueError').style.display = 'block'; isValid = false; } // Validate volume if density calculation if (calculationType === 'density') { if (isNaN(volume) || volumeInput.value.trim() === '') { document.getElementById('volumeError').innerText = 'Please enter a valid number for volume.'; document.getElementById('volumeError').style.display = 'block'; isValid = false; } else if (volume <= 0) { document.getElementById('volumeError').innerText = 'Volume must be positive.'; document.getElementById('volumeError').style.display = 'block'; isValid = false; } } if (!isValid) { document.getElementById('results').style.display = 'none'; return; } var resultsDiv = document.getElementById('results'); var mainResultDiv = document.getElementById('mainResult'); var resultGramDiv = document.getElementById('resultGram'); var resultKgDiv = document.getElementById('resultKg'); var resultLbDiv = document.getElementById('resultLb'); var resultOzDiv = document.getElementById('resultOz'); var resultDensityDiv = document.getElementById('resultDensity'); var formulaExplanationDiv = document.getElementById('formulaExplanation'); var grams = 0; var kg = 0; var lb = 0; var oz = 0; var density = 0; var densityUnit = ''; var formula = ''; if (calculationType === 'conversion') { var factor = getConversionFactor(unit); grams = value * factor; kg = grams / 1000; lb = grams / 453.592; oz = grams / 28.3495; mainResultDiv.innerHTML = grams.toFixed(4) + ' g'; resultGramDiv.innerHTML = 'Grams: ' + grams.toFixed(4) + ' g'; resultKgDiv.innerHTML = 'Kilograms: ' + kg.toFixed(4) + ' kg'; resultLbDiv.innerHTML = 'Pounds: ' + lb.toFixed(4) + ' lb'; resultOzDiv.innerHTML = 'Ounces: ' + oz.toFixed(4) + ' oz'; resultDensityDiv.style.display = 'none'; // Hide density result formula = 'Weight in Target Unit = Value × Conversion Factor'; formulaExplanationDiv.innerText = 'Converted ' + value.toFixed(4) + ' ' + unit + ' to grams, kilograms, pounds, and ounces using standard conversion factors.'; // Update chart data updateChart(grams, kg); } else if (calculationType === 'density') { var massInGrams = value * getConversionFactor(unit); var volumeInCm3 = volume * getVolumeConversionFactor(volumeUnit); if (volumeInCm3 === 0) { // Avoid division by zero density = 0; densityUnit = 'g/cm³'; formula = 'Density = Mass / Volume'; formulaExplanationDiv.innerText = 'Cannot calculate density with zero volume.'; } else { density = massInGrams / volumeInCm3; densityUnit = 'g/cm³'; // Standard output unit formula = 'Density = Mass / Volume'; formulaExplanationDiv.innerText = 'Calculated density for ' + substanceName + ' using Mass: ' + massInGrams.toFixed(4) + ' g and Volume: ' + volume.toFixed(4) + ' ' + volumeUnit + ' (converted to ' + volumeInCm3.toFixed(4) + ' cm³).'; } // For density, we show the main result and also mass/volume for clarity mainResultDiv.innerHTML = density.toFixed(4) + ' ' + densityUnit; resultDensityDiv.innerHTML = 'Density (' + substanceName + '): ' + density.toFixed(4) + ' ' + densityUnit; resultGramDiv.innerHTML = 'Mass: ' + massInGrams.toFixed(4) + ' g'; resultKgDiv.innerHTML = 'Mass: ' + (massInGrams / 1000).toFixed(4) + ' kg'; resultLbDiv.innerHTML = 'Volume: ' + volume.toFixed(4) + ' ' + volumeUnit; resultOzDiv.innerHTML = 'Volume: ' + (volumeInCm3).toFixed(4) + ' cm³'; // For the chart in density mode, we might show mass in g and kg for context updateChart(massInGrams, massInGrams / 1000); } resultsDiv.style.display = 'block'; } function resetCalculator() { document.getElementById('value').value = initialValue; document.getElementById('unit').value = initialUnit; document.getElementById('calculationType').value = initialCalcType; document.getElementById('volume').value = initialVolume; document.getElementById('volumeUnit').value = initialVolumeUnit; document.getElementById('substanceName').value = ''; // Reset errors and hide results document.getElementById('valueError').innerText = ''; document.getElementById('valueError').style.display = 'none'; document.getElementById('volumeError').innerText = ''; document.getElementById('volumeError').style.display = 'none'; document.getElementById('results').style.display = 'none'; // Update density input visibility toggleDensityInputs(); // Reset chart if (weightChart) { updateChart(0, 0); } } function copyResults() { var mainResult = document.getElementById('mainResult').innerText; var resultGram = document.getElementById('resultGram').innerText; var resultKg = document.getElementById('resultKg').innerText; var resultLb = document.getElementById('resultLb').innerText; var resultOz = document.getElementById('resultOz').innerText; var resultDensity = document.getElementById('resultDensity').innerText; var formulaExplanation = document.querySelector('#results .formula-explanation').innerText; var value = document.getElementById('value').value; var unit = document.getElementById('unit').value; var calculationType = document.getElementById('calculationType').value; var volume = document.getElementById('volume').value; var volumeUnit = document.getElementById('volumeUnit').value; var substanceName = document.getElementById('substanceName').value || 'Substance'; var copyText = "— Calculation Results —\n"; copyText += "Main Result: " + mainResult + "\n"; copyText += resultGram + "\n"; copyText += resultKg + "\n"; copyText += resultLb + "\n"; copyText += resultOz + "\n"; if (calculationType === 'density' && resultDensity) { copyText += resultDensity + "\n"; } copyText += "\n— Key Assumptions —\n"; copyText += "Input Value: " + value + "\n"; copyText += "Input Unit: " + unit + "\n"; copyText += "Calculation Type: " + calculationType + "\n"; if (calculationType === 'density') { copyText += "Input Volume: " + volume + "\n"; copyText += "Input Volume Unit: " + volumeUnit + "\n"; copyText += "Substance Name: " + substanceName + "\n"; } copyText += "\n" + formulaExplanation; navigator.clipboard.writeText(copyText).then(function() { // Success message could be shown here, e.g., a tooltip console.log('Results copied to clipboard!'); var copyButton = document.querySelector('.btn-copy'); var originalText = copyButton.innerText; copyButton.innerText = 'Copied!'; setTimeout(function() { copyButton.innerText = originalText; }, 1500); }, function(err) { console.error('Failed to copy: ', err); alert('Failed to copy results. Please copy manually.'); }); } function toggleDensityInputs() { var calcType = document.getElementById('calculationType').value; var densityDiv = document.getElementById('densityInputs'); if (calcType === 'density') { densityDiv.style.display = 'block'; } else { densityDiv.style.display = 'none'; } } // Initialize on load document.addEventListener('DOMContentLoaded', function() { // Set initial values from placeholders initialValue = 100; initialUnit = 'g'; initialCalcType = 'conversion'; initialVolume = 100; initialVolumeUnit = 'ml'; // Set initial input values document.getElementById('value').value = initialValue; document.getElementById('unit').value = initialUnit; document.getElementById('calculationType').value = initialCalcType; document.getElementById('volume').value = initialVolume; document.getElementById('volumeUnit').value = initialVolumeUnit; toggleDensityInputs(); // Set initial visibility initializeChart(); // Initialize chart }); // Add event listener for calculation type change document.getElementById('calculationType').addEventListener('change', toggleDensityInputs);

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