UK Gold Value Calculator
Estimate the melt value of gold jewellery, coins, or scrap in GBP using live-style spot assumptions.
This tool gives an estimate only. Final offers vary by buyer, assay results, and market movement.
How this UK gold price calculator works
If you are selling gold in the UK, most buyers start from the live gold spot rate and then adjust for purity, weight, and their margin. This calculator follows that same structure so you can get a realistic estimate before visiting a jeweller, pawnbroker, or postal gold buyer.
- Weight conversion: Your input is converted into grams.
- Purity adjustment: Only the fine gold content is counted (for example, 18K = 75% gold).
- Spot conversion: Spot price per troy ounce is converted to price per gram.
- Payout and fee: Buyer margin is applied as a payout percentage, then fixed fees are subtracted.
Gold purity and hallmark guide (UK)
In the UK, gold jewellery is often stamped with both a carat mark and a fineness number. Fineness tells you exactly how many parts per thousand are gold.
| Carat | Fineness Mark | Gold Content | Common Use |
|---|---|---|---|
| 24K | 999 | 99.9% | Bars, investment products |
| 22K | 916 | 91.6% | Coins, premium jewellery |
| 18K | 750 | 75.0% | Fine jewellery |
| 14K | 585 | 58.5% | Durable jewellery |
| 9K | 375 | 37.5% | Common UK high-street jewellery |
Example calculation
Suppose you have a 20g 9K chain, the spot price is £1,850/ozt, and a dealer pays 94% of melt value:
- Pure gold weight = 20 × 37.5% = 7.5g
- 24K price per gram = £1,850 ÷ 31.1034768 = about £59.48/g
- Gross melt value = 7.5 × £59.48 = about £446.10
- Payout value = £446.10 × 94% = about £419.33
That gives you a practical benchmark when comparing offers.
What can change the final price you receive?
1) Testing and assay outcomes
If the item is unmarked, damaged, or mixed with non-gold parts, buyers may test and adjust purity lower than expected.
2) Different buyer models
High-street jewellers, pawnbrokers, bullion dealers, and online postal services often use different payout rates. Getting multiple quotes is usually worth it.
3) Market movement
Gold prices can move throughout the day. A quote at breakfast may not match one at closing time.
4) Product premium vs melt value
Coins and branded bars can carry collectible or brand premiums. Scrap buyers often pay on metal content only, while specialist dealers may pay more for specific products.
Tips before selling gold in the UK
- Separate items by hallmark before getting quotes.
- Weigh items at home on a digital scale for a first estimate.
- Ask each buyer for payout percentage and any handling fees.
- Remove stones where possible, because most buyers value only metal weight.
- For investment products, compare with bullion dealer buyback rates, not scrap rates.
FAQ
Is this calculator only for scrap gold?
It is designed for melt-value estimates, so it is best for scrap jewellery. Coins and bars may sell for more depending on demand and condition.
Do I include VAT?
Investment-grade gold is generally VAT-exempt in the UK, but service fees or non-investment items may differ. Check with your buyer and tax adviser for your situation.
What unit is most accurate?
Grams are most common for jewellery in the UK, while troy ounces are standard in bullion pricing. This calculator handles both.
Bottom line
A solid gold price calculator UK tool helps you negotiate with confidence. Use this estimate as your baseline, then compare several real offers to find the best payout.