body {
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
line-height: 1.6;
color: #333;
max-width: 800px;
margin: 0 auto;
padding: 20px;
}
.calculator-container {
background: #fff;
border: 1px solid #e0e0e0;
border-radius: 8px;
padding: 30px;
box-shadow: 0 4px 6px rgba(0,0,0,0.05);
margin-bottom: 40px;
border-top: 5px solid #d4af37; /* Gold color */
}
.calc-title {
font-size: 24px;
font-weight: 700;
margin-bottom: 25px;
color: #2c3e50;
text-align: center;
}
.form-group {
margin-bottom: 20px;
}
.form-group label {
display: block;
font-weight: 600;
margin-bottom: 8px;
color: #555;
}
.form-group input, .form-group select {
width: 100%;
padding: 12px;
border: 1px solid #ccc;
border-radius: 4px;
font-size: 16px;
box-sizing: border-box;
}
.form-group input:focus, .form-group select:focus {
border-color: #d4af37;
outline: none;
box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
}
.row {
display: flex;
gap: 20px;
flex-wrap: wrap;
}
.col-6 {
flex: 1;
min-width: 250px;
}
.btn-calculate {
display: block;
width: 100%;
background-color: #d4af37;
color: white;
font-size: 18px;
font-weight: 700;
padding: 15px;
border: none;
border-radius: 4px;
cursor: pointer;
transition: background-color 0.2s;
margin-top: 10px;
}
.btn-calculate:hover {
background-color: #c5a028;
}
#result-area {
margin-top: 30px;
background-color: #f9f9f9;
padding: 20px;
border-radius: 4px;
border-left: 4px solid #d4af37;
display: none;
}
.result-row {
display: flex;
justify-content: space-between;
margin-bottom: 10px;
font-size: 15px;
}
.result-row.total {
border-top: 2px solid #eee;
padding-top: 10px;
margin-top: 10px;
font-weight: 700;
font-size: 20px;
color: #d4af37;
}
.article-content h2 {
color: #2c3e50;
margin-top: 35px;
border-bottom: 2px solid #f0f0f0;
padding-bottom: 10px;
}
.article-content h3 {
color: #444;
margin-top: 25px;
}
.article-content p, .article-content li {
font-size: 17px;
color: #444;
}
.note {
font-size: 13px;
color: #777;
margin-top: 10px;
}
function calculateGoldRate() {
// 1. Get input values
var marketPrice10g = parseFloat(document.getElementById('marketPrice').value);
var purityKarat = parseFloat(document.getElementById('purity').value);
var weightGrams = parseFloat(document.getElementById('weight').value);
var makingChargesPercent = parseFloat(document.getElementById('makingCharges').value);
var taxPercent = parseFloat(document.getElementById('taxRate').value);
// 2. Validate inputs
if (isNaN(marketPrice10g) || marketPrice10g <= 0) {
alert("Please enter a valid Current Market Price.");
return;
}
if (isNaN(weightGrams) || weightGrams <= 0) {
alert("Please enter a valid Weight in grams.");
return;
}
if (isNaN(makingChargesPercent)) makingChargesPercent = 0;
if (isNaN(taxPercent)) taxPercent = 0;
// 3. Calculation Logic
// Step A: Calculate price of 1 gram of 24K gold
var pricePerGram24K = marketPrice10g / 10;
// Step B: Calculate price per gram for the selected purity
// Formula: (24K Price * Selected Karat) / 24
var pricePerGramSelected = (pricePerGram24K * purityKarat) / 24;
// Step C: Basic Cost of the gold material
var basicGoldCost = pricePerGramSelected * weightGrams;
// Step D: Calculate Making Charges
// Making charges are calculated on the basic gold cost
var makingChargesAmount = basicGoldCost * (makingChargesPercent / 100);
// Step E: Subtotal (Gold + Making Charges)
var subtotal = basicGoldCost + makingChargesAmount;
// Step F: Calculate Tax
// Tax is usually applied to the (Gold + Making Charges) total
var taxAmount = subtotal * (taxPercent / 100);
// Step G: Final Total
var finalTotal = subtotal + taxAmount;
// 4. Update UI
document.getElementById('dispPurity').textContent = purityKarat + "K";
document.getElementById('dispMcPercent').textContent = makingChargesPercent;
document.getElementById('dispTaxPercent').textContent = taxPercent;
document.getElementById('resRatePerGram').textContent = pricePerGramSelected.toFixed(2);
document.getElementById('resBaseCost').textContent = basicGoldCost.toFixed(2);
document.getElementById('resMakingCharges').textContent = makingChargesAmount.toFixed(2);
document.getElementById('resTax').textContent = taxAmount.toFixed(2);
document.getElementById('resTotal').textContent = finalTotal.toFixed(2);
// Show result area
document.getElementById('result-area').style.display = 'block';
}
How to Calculate Gold Rate Per Gram: A Buyer's Guide
Buying gold jewellery is as much an investment as it is a purchase of luxury. However, the pricing structure of gold can often seem opaque. Retailers display a "market rate," but the final bill often differs significantly due to karatage adjustments, making charges, and taxes. This guide explains exactly how to calculate the gold rate per gram yourself so you can verify the price before you buy.
1. The Formula for Gold Price
To calculate the final price of a gold item, you need to understand the breakdown of the costs involved. The standard formula used by most jewellers is:
Final Price = (Price of Gold × Weight) + Making Charges + GST/Tax
However, finding the "Price of Gold" requires adjusting for purity, which is where most confusion occurs.
2. Understanding Gold Purity (Karats)
Market rates are typically quoted for 24K gold (99.9% pure) per 10 grams. However, 24K gold is too soft for intricate jewellery. Most jewellery is made from 22K or 18K gold.
- 24K: 100% pure gold. Multiplier: 1.0
- 22K: 91.6% pure gold. Used for plain gold jewellery. Multiplier: 0.916
- 18K: 75.0% pure gold. Used for diamond and stone-studded jewellery. Multiplier: 0.750
Calculation Example:
If the market price of 24K gold is 60,000 per 10g, the price of 1g of 24K gold is 6,000.
To find the rate for 22K: 6,000 × (22/24) = 5,500 per gram.
3. What are Making Charges?
"Making charges" (or wastage charges) cover the cost of labor and craftsmanship involved in manufacturing the jewellery. This is not a fixed rate; it varies depending on the intricacy of the design.
- Machine-made chains: Lower charges (e.g., 3% – 10%).
- Intricate bridal sets: Higher charges (e.g., 10% – 25%).
Always ask if the making charge is a flat fee per gram or a percentage of the gold value. Our calculator assumes a percentage model, which is common in modern retail.
4. Taxes and GST
The final component of the price is government tax (GST or VAT). This tax applies to the total value of the bill, which includes both the value of the gold and the making charges. In many regions, this is around 3%, but you should check your local tax regulations.
Summary of Steps
- Check the Rate: Look up the current 24K gold rate per 10g.
- Adjust for Purity: Convert this to the per-gram rate for the karat you are buying (e.g., 22K).
- Calculate Base Cost: Multiply the adjusted rate by the weight of your item.
- Add Making Charges: Add the percentage fee for craftsmanship.
- Add Tax: Apply tax to the subtotal of gold plus making charges.
Using the calculator above simplifies this process, ensuring you pay a fair price for your investment.