Key style

Calc Kit

Schema-driven keypad calculators in two themes. Every calculator here is a config plus the same components. Keys work with touch, mouse and a keyboard (digits, the point, Backspace, Enter). Reference prices, not live.

Scrap gold, Black & Gold

Default theme for the gold calculators.

Scrap Gold Calculator

Reference priceGold $4,049.80/oz
Weight
10g

Melt value

$759.48

Pure gold
5.83 g
In troy ounces
0.1875 troy oz
Per gram at this karat
$75.95
How it works
  1. 10 g = 10 g.
  2. 10 g x 0.5833 (14k (58.3%)) = 5.833 g of pure gold.
  3. 0.1875 troy oz x $4,049.80 spot = $759.48 melt value.
  4. Dealers pay 60% to 90% of melt for jewelry and scrap. That range is an editorial estimate.
Where to sell

Melt value 759 dollars 48 cents

Scrap gold, Cream & Gold

Same config, other theme.

Scrap Gold Calculator

Reference priceGold $4,049.80/oz
Weight
10g

Melt value

$759.48

Pure gold
5.83 g
In troy ounces
0.1875 troy oz
Per gram at this karat
$75.95
How it works
  1. 10 g = 10 g.
  2. 10 g x 0.5833 (14k (58.3%)) = 5.833 g of pure gold.
  3. 0.1875 troy oz x $4,049.80 spot = $759.48 melt value.
  4. Dealers pay 60% to 90% of melt for jewelry and scrap. That range is an editorial estimate.
Where to sell

Melt value 759 dollars 48 cents

Junk silver, Black & Gold

Coin-type chips above the display, face value on the keypad.

Junk Silver Calculator

Reference priceSilver $54.28/oz
Face value
$10

Melt value

$392.66

Based on silver spot.

Pure silver
7.2339 troy oz
Coins
100
Melt as a multiple of face
39.3x
How it works
  1. $10.00 face / $0.10 per coin = 100 coins.
  2. 100 coins x 2.250 g pure silver = 225 g.
  3. 7.2339 troy oz x $54.28 = $392.66. That is 0.7234 troy oz of silver per $1 of face.
Where to sell

Melt value 392 dollars 66 cents

Junk silver, Cream & Gold

Default theme for silver.

Junk Silver Calculator

Reference priceSilver $54.28/oz
Face value
$10

Melt value

$392.66

Based on silver spot.

Pure silver
7.2339 troy oz
Coins
100
Melt as a multiple of face
39.3x
How it works
  1. $10.00 face / $0.10 per coin = 100 coins.
  2. 100 coins x 2.250 g pure silver = 225 g.
  3. 7.2339 troy oz x $54.28 = $392.66. That is 0.7234 troy oz of silver per $1 of face.
Where to sell

Melt value 392 dollars 66 cents

Silver coin melt by type and year

Year and count are two fields on one keypad. Tap a field to type into it; = moves to the next.

Silver Coin Melt Value

Reference priceSilver $54.28/oz
Year
1964

Melt value

$9.82

Per coin
$9.82
Silver content
90% silver, 6.25 g
Pure silver
0.1808 troy oz
How it works
  1. 1964 quarter: 90% silver, 6.25 g.
  2. 5.625 g x 1 coins = 5.63 g pure silver.
  3. 0.1808 troy oz x $54.28 = $9.82.
Where to sell

Melt value 9 dollars 82 cents

Scrap silver (5 chips) and bullion stack (large total)

Scrap Silver Calculator

Reference priceSilver $54.28/oz
Weight
100g

Melt value

$161.43

Pure silver
92.5 g
In troy ounces
2.9739 troy oz
Per gram at this purity
$1.61
How it works
  1. 100 g = 100 g.
  2. 100 g x 0.9250 = 92.5 g pure silver.
  3. 2.9739 troy oz x $54.28 = $161.43 melt value.
  4. Dealers pay 70% to 90% of melt for scrap silver.
Where to sell

Melt value 161 dollars 43 cents

Bullion Stack Value

Reference priceGold $4,049.80/ozSilver $54.28/oz
Gold (troy oz)
999ozt

Stack value at spot

$4,588,495.92

Total metal
10,998 troy oz
Gold
$4,045,750.20
Silver
$542,745.72
Platinum and palladium
$0.00
How it works
  1. 999 troy oz of gold x $4,049.80 = $4,045,750.20.
  2. 9,999 troy oz of silver x $54.28 = $542,745.72.
  3. A 1 kilo bar is 32.1507 troy oz. Selling back typically nets 95% to 99% of spot for well-known coins and bars.
Where to sell

Stack value at spot 4588495 dollars 92 cents

Try it: flip the theme (remembered)

This one has the theme button, uses the URL for state (?k=18&w=25&unit=dwt pre-fills it) and listens to the physical keyboard.

Open a pre-filled link

Gold Value by Weight

Reference priceGold $4,049.80/oz
Weight
10g

Value at spot

$1,300.74

Pure gold
9.99 g
Gold per gram at this karat
$130.07
Gold per ounce (spot)
$4,049.80
How it works
  1. 10 grams = 10 g.
  2. 10 g x 0.9990 (24k (99.9%)) = 9.99 g pure gold.
  3. 0.3212 troy oz x $4,049.80 = $1,300.74.
Where to sell

Value at spot 1300 dollars 74 cents

Pre-filled SEO page example

Value of 25 grams of 18k gold: $2,441 today. 25 grams of 18k gold is 75.0% pure, so it holds 18.75 g of gold worth about $2,441 at today's $4,049.80 per troy ounce. A scrap buyer typically pays $1,465 to $2,197.