24K Gold
24K Gold Calculator
Free 24K gold calculator. Estimate pure 24-karat (99.9%) gold melt value by weight, live spot price, and payout percentage.
Use the calculatorAbout 24K gold
24-karat gold is pure gold - 99.9% fine, with no meaningful alloy. It is the form used for most bullion coins and bars, such as gold Maple Leafs and many minted rounds.
Because it is essentially all gold, 24K tracks the spot price almost exactly. One gram of 24K is worth one gram of gold at spot. Enter the weight below for a live estimate.
Worked example at an illustrative gold spot of $4,000.00 per troy ounce (use the live price above for current figures):
How to calculate 24K gold value
- Weigh the item. Use a digital gram or pennyweight scale. Heavier, solid pieces give the most reliable estimate.
- Select the metal and purity. Pick gold, silver, or platinum, then choose the karat or fineness. Use Custom to enter an exact percentage.
- Confirm the live spot price. The calculator fills in the current spot price automatically. Edit it if you use a different quote.
- Calculate and adjust payout. Press Calculate to see the melt value, then move the payout slider to model a buying offer.
24K Gold Calculator questions
How much is 24K gold worth per gram?
At a $4,000 spot price, one gram of 24K gold is worth about $128.60 (1 ? 31.1035 ? 0.999 ? $4,000) - essentially the spot price per gram.
Is 24K gold the same as a troy ounce of gold?
A troy ounce is a weight (31.1035 grams). 24K describes purity (99.9%). One troy ounce of 24K gold is worth one troy ounce at spot.
Why isn't 24K gold used in everyday jewelry?
Pure gold is very soft and scratches or bends easily, so jewelry usually uses 14K-18K alloys for durability.
What stamp indicates 24K gold?
Look for 999, 9999, or 24K. Bullion is often stamped .9999 fine.