← Dashboard

Metals Calculator

Use this tool to work out deal spread and client payout based on today’s metal price and your buy price per gram.

Trade inputs

Tip: Enter spot + your buy price per gram. If you also add a sell price per gram, the calculator will show your spread and margin on the trade.

Silver purity quick reference

Spot price is for pure 999 silver. Use this table to see how much pure silver is in common hallmarks. You mainly buy 925 sterling, which is highlighted below.

Marking
Name
% pure silver
999
Fine silver
99.9%
958
Britannia
95.8%
925
Sterling silver
92.5%
900
Coin silver
90.0%
800
Continental
80.0%

Melt value ≈ spot × weight × (fineness ÷ 1000)
Example: 925 sterling = spot × weight × 0.925

Client payout

Client payout (£)

£0.00

Your cost per gram

£0.00

Client payout = weight × buy price per gram.

Spread & margin

Spread on trade (£)

£0.00

Spread per gram (£)

£0.00

Margin on sell (%)

0%

Discount vs spot (%)

0%

Spread = sell minus buy price per gram.

Gold purity quick reference

Spot price is for 24k / 999 gold.

Carat
Fineness
% pure gold
9k
375
37.5%
14k
585
58.5%
18k
750
75.0%
22k
916
91.6%
24k
999
99.9%

Spot Price

Open →