Gold Rate Calculator
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line-height: 1.6;
color: #333;
margin: 0;
padding: 20px;
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.calculator-container {
max-width: 800px;
margin: 0 auto;
background: #fff;
border-radius: 8px;
box-shadow: 0 4px 15px rgba(0,0,0,0.1);
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.calc-header {
background: #d4af37; /* Gold color */
color: #fff;
padding: 20px;
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.calc-header h2 {
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.result-label {
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.result-value {
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.final-price {
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.info-box {
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Price Breakdown
Rate per Gram (24K Base):
–
Pure Gold Cost (22K):
–
Making Charges:
–
Subtotal:
–
Tax Amount:
–
Final Estimated Price:
–
How to Calculate Gold Rate for Jewelry
Understanding how jewelry prices are calculated is essential for making an informed investment. Unlike buying bullion or digital gold, buying jewelry involves several cost components including the purity of the metal, making charges (labor), and government taxes.
The Basic Formula:
Final Price = (Price of Gold × Weight) + Making Charges + Tax
1. The Purity Factor (Karatage)
The market rate you see on the news is typically for 24 Karat (24K) gold, which is 99.9% pure. However, 24K gold is too soft for intricate jewelry. Most jewelry is made from 22K (91.6% pure) or 18K (75% pure).
To calculate the rate for your specific jewelry:
- 22K Rate: 24K Rate × (22/24) or approx 0.916
- 18K Rate: 24K Rate × (18/24) or 0.75
2. Making Charges (Wastage)
Gold rates do not include the cost of manufacturing. Goldsmiths charge a fee for the labor involved in designing and molding the piece. This is known as "Making Charges" or sometimes "Wastage."
Making charges vary significantly based on the intricacy of the design. They can range from 3% for simple chains to 25% or more for antique intricate designs. It is usually calculated as a percentage of the gold value.
3. Taxes (GST / VAT)
After summing the cost of the gold and the making charges, a tax is applied to the total value. In many regions, this is a Goods and Services Tax (GST) or Value Added Tax (VAT). For example, in India, a GST of 3% is currently applied to the final bill value.
Example Calculation
Assume the 24K market rate is 72,000 per 10g. You want to buy a 10g ring made of 22K gold with 10% making charges and 3% tax.
- Base Rate (1g 24K): 7,200
- 22K Rate (1g): 7,200 × 0.916 = 6,595.20
- Gold Cost (10g): 65,952
- Making Charges (10%): 6,595.20
- Subtotal: 72,547.20
- Tax (3%): 2,176.42
- Final Price: 74,723.62
function calculateGoldPrice() {
// 1. Get Input Values
var rateInput = document.getElementById('currentRate').value;
var weightInput = document.getElementById('goldWeight').value;
var puritySelect = document.getElementById('purity');
var selectedPurity = puritySelect.options[puritySelect.selectedIndex].value;
var makingChargesInput = document.getElementById('makingCharges').value;
var taxRateInput = document.getElementById('taxRate').value;
// 2. Validate Inputs
// Convert to float
var ratePer10g = parseFloat(rateInput);
var weight = parseFloat(weightInput);
var purity = parseInt(selectedPurity);
var makingPercent = parseFloat(makingChargesInput);
var taxPercent = parseFloat(taxRateInput);
if (isNaN(ratePer10g) || isNaN(weight) || ratePer10g <= 0 || weight <= 0) {
alert("Please enter a valid Market Rate and Weight.");
return;
}
// Set defaults for optional fields if empty
if (isNaN(makingPercent)) makingPercent = 0;
if (isNaN(taxPercent)) taxPercent = 0;
// 3. Calculation Logic
// Determine rate per 1 gram based on 24K input
var ratePerGram24k = ratePer10g / 10;
// Calculate Purity Factor
// Formula: (Target Karat / 24)
var purityFactor = purity / 24;
// Calculate Rate per gram for the selected purity
var ratePerGramSelected = ratePerGram24k * purityFactor;
// Calculate Raw Gold Cost
var rawGoldCost = ratePerGramSelected * weight;
// Calculate Making Charges Amount
var makingAmount = rawGoldCost * (makingPercent / 100);
// Subtotal (Gold + Making)
var subTotal = rawGoldCost + makingAmount;
// Calculate Tax
var taxAmount = subTotal * (taxPercent / 100);
// Final Total
var finalTotal = subTotal + taxAmount;
// 4. Update DOM with Results
// Helper for formatting numbers
// We do not assume currency, just standard number formatting with 2 decimals
document.getElementById('resRatePerGram').innerHTML = ratePerGram24k.toFixed(2);
document.getElementById('purityLabel').innerHTML = purity + "K";
document.getElementById('resGoldCost').innerHTML = rawGoldCost.toFixed(2);
document.getElementById('resMakingCharges').innerHTML = makingAmount.toFixed(2);
document.getElementById('resSubtotal').innerHTML = subTotal.toFixed(2);
document.getElementById('resTax').innerHTML = taxAmount.toFixed(2);
document.getElementById('resTotal').innerHTML = finalTotal.toFixed(2);
}