How Much Is 1 Pennyweight of 18K Gold Worth in pounds?
1 dwt of 18K gold is worth £114.15 in pounds today
(Based on spot $4,014/oz · 1 USD = £0.7584 · Updated June 26, 2026)
Estimates convert USD spot using a live exchange rate. Not financial advice, not a purchase offer, and not a guarantee of what any buyer will pay.
At live spot converted to pounds, 1 dwt of 18K gold is about £114.15 melt value (≈ 1.56 g). 1 dwt ≈ 1.555 g.
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18K (750) is the premium UK fineness for many fine jewellers—common on engagement rings and higher-end pieces.
UK buyers often pay roughly 50–70% of melt — about £57.08–£79.91 for this dwt at typical buyer rates.
Tiny dwt lots often come from single earring backs or broken findings—sort by UK hallmark before blending.
Quick checks (dwt sellers)
- 1 dwt ≈ 1.56 g—at micro weights, scale accuracy matters more than spot noise.
- Be explicit about troy units; precious metals pricing uses troy measure, not standard ounces.
Gold Value Calculator
Adjust this price to project a future value. 24K per troy oz.
Total gold value£114.15
Current 18K price • £73.40/gram • £2283.00/oz
Formula: weight × karat multiplier × spot price. 14K = 0.585, 18K = 0.75, 10K = 0.417.
USD spot converted to pounds at live exchange rates. Same basis as the estimates on this page. Adjust weight, unit, or karat.
Calculate exact pawnbroker payout →
How pennyweight maps to grams
Pennyweight (dwt) is a troy-unit habit in some US markets. For pricing we convert to grams: 1 dwt ≈ 1.56 g of 18K, then apply the same per-gram rate converted to pounds.
How we calculate melt in pounds
USD spot per gram × live USD→GBP rate (1 USD = £0.7584). For 18K: Convert dwt to grams, then apply £73.40/g for 18K at live spot in GBP. 18K price hub.
What uk buyers might pay (typical ranges)
Dealers pay a share of melt. Below uses the same total melt as this page (£114.15). Not a quote.
| Buyer type | Typical % of melt | Est. offer (£) |
|---|---|---|
| Pawnbroker | 50–70% | £57.08 – £79.91 |
| Local gold buyer / jeweller | 65–80% | £74.20 – £91.32 |
| Online / mail-in buyer | 80–92% | £91.32 – £105.02 |
| Refinery (bulk / high volume) | 88–95% | £100.45 – £108.44 |
Ranges are typical experience bands; local buyers vary. Not a quote.
Melt value by karat (≈ 1.56 g (1.5g pages), GBP)
Same weight, different purity—use this to sanity-check whether your item's stamp matches your expected value in pounds. Karat links use the nearest tabulated gram page (1.5g).
Nearby dwt (GBP):0.5 dwt · 1.5 dwt
Related links
- 18K gold price per gram (overview)
- All 18K gold value topics
- Gold price FAQ
- Sell gold jewellery online
- How to sell gold in the UK
- 750 hallmark reference
- Nearest gram page (1.5g, GBP; ≈ 1.56g from 1 dwt)
- Same dwt in USD ($)
- Pawnbroker payout estimate (18K)
FAQ
- How much is 1 dwt of 18K gold worth in pounds?
- 1 pennyweight (≈1.56g) of 18K gold is worth about £114.15 melt in pounds at live spot.
- How do you convert dwt to grams?
- 1 dwt = 1.55517384 g (one twentieth of a troy ounce). We use that factor consistently; melt in pounds uses the gram equivalent × live spot.
- Is dwt the same as a regular ounce?
- No. Pennyweight is troy-based: 20 dwt = 1 troy ounce. Regular (avoirdupois) ounces differ. Precious metals pricing uses troy units.
- Will I get full melt value when selling in pounds?
- Buyers typically pay a percentage of melt. Treat £114.15 as a benchmark, not a payout guarantee.