Gold Gram Rate Calculator

Gold Gram Rate & Value Calculator

24K (99.9% Pure) 22K (91.6% Pure) 18K (75.0% Pure) 14K (58.3% Pure) 10K (41.7% Pure)

Calculation Summary

Price per Gram (24K):

Price per Gram ():

Metal Value:

Making Charges:


Total Estimated Value:

function calculateGoldValue() { var marketPrice = parseFloat(document.getElementById('marketPrice').value); var carat = parseFloat(document.getElementById('goldCarat').value); var weight = parseFloat(document.getElementById('goldWeight').value); var chargesPercent = parseFloat(document.getElementById('makingCharges').value) || 0; if (isNaN(marketPrice) || isNaN(weight) || marketPrice <= 0 || weight <= 0) { alert("Please enter valid positive numbers for Market Price and Weight."); return; } // 1 Troy Ounce = 31.1034768 grams var gramsInOunce = 31.1034768; var pricePerGram24k = marketPrice / gramsInOunce; // Adjust for purity var pricePerGramPurity = pricePerGram24k * (carat / 24); var baseMetalValue = pricePerGramPurity * weight; var makingChargeAmount = baseMetalValue * (chargesPercent / 100); var totalValue = baseMetalValue + makingChargeAmount; document.getElementById('pricePerGram24k').innerHTML = "$" + pricePerGram24k.toFixed(2); document.getElementById('pricePerGramSelected').innerHTML = "$" + pricePerGramPurity.toFixed(2); document.getElementById('selectedCaratDisplay').innerHTML = carat + "K"; document.getElementById('metalValue').innerHTML = "$" + baseMetalValue.toFixed(2); document.getElementById('makingChargeAmount').innerHTML = "$" + makingChargeAmount.toFixed(2); document.getElementById('totalFinalValue').innerHTML = "$" + totalValue.toFixed(2); document.getElementById('goldResult').style.display = 'block'; }

Understanding Gold Gram Rate Calculations

The value of gold fluctuates daily based on global market demand, currency strength, and geopolitical stability. To accurately determine the value of a specific piece of jewelry or a gold bar, you must understand the relationship between troy ounces, grams, and purity levels (carats).

How Gold is Measured

In the international market, gold is traded in Troy Ounces. One troy ounce is equivalent to exactly 31.1034768 grams. This is different from a standard kitchen ounce (avoirdupois ounce), which is approximately 28.35 grams. When calculating the rate per gram, always ensure you are using the troy ounce conversion to avoid significant financial discrepancies.

The Carat System (Purity)

Gold purity is measured in carats (K), where 24K represents 100% pure gold. Because pure gold is very soft, it is often alloyed with other metals like copper or silver for durability. This impacts the price:

  • 24K Gold: 99.9% Pure. Used for investment bars and coins.
  • 22K Gold: 91.6% Pure. Common in high-end jewelry (popular in India and the Middle East).
  • 18K Gold: 75.0% Pure. Standard for luxury jewelry and watches.
  • 14K Gold: 58.3% Pure. Popular in the United States for engagement rings.

Practical Example

Suppose the current market price for gold is $2,350 per troy ounce and you have a 10-gram gold chain that is 18K purity with a 5% making charge.

  1. Find 24K Gram Rate: $2,350 ÷ 31.1035 = $75.55 per gram.
  2. Adjust for 18K Purity: $75.55 × (18 / 24) = $56.66 per gram.
  3. Calculate Metal Value: $56.66 × 10 grams = $566.60.
  4. Add Making Charges: $566.60 + 5% ($28.33) = $594.93.

Why Use This Calculator?

Jewelers often quote prices that include "making charges" or "wastage." Using a gold gram rate calculator allows you to strip away these fees to see the raw value of the metal. This ensures you are getting a fair price when buying or receiving a transparent valuation when selling your gold assets.

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