How Much Is 0.5g of 18K Gold Worth in Pounds (£)?
0.5 grams of 18K gold is worth £38.90 in pounds today
(Based on spot $4,331/oz · 1 USD = £0.7449 · Updated June 16, 2026)
- Melt value
- £38.90
- Pawnbroker (typical)
- £19–£27
- Mail-in buyer (typical)
- £31–£36
Estimates convert USD spot to GBP using a live exchange rate. Not financial advice, not a purchase offer, and not a guarantee of what any UK buyer will pay.
Micro weights are easy to misread on a kitchen scale—use a 0.01 g jewellery scale for a reliable estimate.
At micro weights, a 0.01 g jewellery scale beats a kitchen scale; hallmarks can be hard to read on very small findings.
18K (750) is the premium UK fineness for many fine jewellers—common on engagement rings and higher-end pieces.
Adjacent GBP pages: 1g →
At the live spot converted to pounds, 0.5 g of 18K gold has a rough melt value of about £38.90 (£77.80/gram). USD equivalent: $52.22 (1 USD = £0.7449).
Weighing & sorting tips (UK)
- Check for 375 / 585 / 750 stamps with a loupe—partially worn UK hallmarks still appear on older pieces.
- Plated or gold-filled items won't follow karat melt math; check stamps before using a gold-only estimate.
Gold Value Calculator
Adjust this price to project a future value. 24K per troy oz.
Total gold value£38.90
Current 18K price • £77.79/gram • £2419.54/oz
Formula: weight × karat multiplier × spot price. 14K = 0.585, 18K = 0.75, 10K = 0.417.
USD spot converted to your selected currency at live exchange rates. Adjust weight, unit, or karat to explore scenarios.
Calculate exact scrap payout →
Melt value by karat (0.5 g, GBP)
Same weight, different fineness—sanity-check whether your hallmark matches the value you expect.
What UK buyers might pay for this weight (typical ranges)
Uses melt £38.90. Very small lots: local pawnbrokers may have minimum fees—combining pieces can improve the effective payout.
| Buyer type | Typical % of melt | Est. offer (£) |
|---|---|---|
| Pawn shop | 50–70% | £19.45 – £27.23 |
| Local gold buyer / jeweler | 65–80% | £25.28 – £31.12 |
| Online / mail-in buyer | 80–92% | £31.12 – £35.79 |
| Refinery (bulk / high volume) | 88–95% | £34.23 – £36.95 |
Ranges are common UK experience bands; pawnbrokers and mail-in buyers vary. Not a quote.
How we calculate melt in pounds
0.5 g × £77.80/g (18K at spot in GBP) ≈ £38.90 before buyer discounts.
USD: 0.5g of 18K gold value in USDEUR: 0.5g in euros (€)
Related links
- 18K gold price per gram (overview)
- All 18K gold value topics (USD)
- UK hallmarks guide (375, 585, 750)
- How to sell gold
- Gold price per gram (full table)
- Same page in USD
FAQ
- How much is 0.5 grams of 18K gold worth in pounds?
- 0.5 grams of 18K gold is worth £38.90 at today's gold price of $4,331/oz (converted to pounds at 1 USD = £0.7449). This is melt value — UK pawnbrokers often pay £19–£27; mail-in buyers may pay £31–£36.
- Is £38.90 what a UK pawnbroker will pay?
- Usually not. Pawnbrokers and many cash-for-gold buyers pay a percentage of melt—often around £19–£27 for quick purchases. Mail-in buyers may pay a higher percentage. Always get multiple offers in pounds.
- Should I remove stones or clasps before weighing?
- If you can do it safely, weigh gold-only metal; stones and some clasps add weight but often don't increase scrap payout. If you can't remove them, ask how the buyer deducts non-gold parts.
- Does 18K gold price in pounds change every day?
- Spot gold and the USD→GBP exchange rate both move. Our pages refresh on a regular schedule. Use the same spot and rate basis as our calculators when comparing quotes.