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Nothing you weigh, measure or type is sent anywhere. There is no account, no email wall, and no buyer waiting at the end of any of it.

What is it worth?

Melt value at live market prices, and — the part buyer-run calculators leave out — what somebody is actually likely to hand you for it.

How much is my scrap gold worth?

What is my gold worth?

Weigh it, pick the karat, and see the value of the metal at the live gold price — then what a buyer is likely to hand over, which is a different number.

Live market price

How much is sterling silver worth per gram?

What is my silver worth?

Sterling, coin, Britannia and fine silver at the live silver price — including why small silver items are often worth less than the trouble of selling them.

Live market price

How much is a platinum ring worth?

What is platinum or palladium worth?

PT950, PT900 and PD950 at live prices. Both metals are denser than gold, which is why the weight surprises people.

Live market price

How much is a gold sovereign worth?

What is a gold coin worth?

Sovereigns, Krugerrands, Eagles, Napoleons and more at the live gold price — and why a one-ounce coin weighs more than an ounce.

Live market price

How much silver is in a pre-1965 quarter?

What is a silver coin worth?

Melt value for US, British and Canadian circulation silver, by coin or by face value — and when a coin is worth more than the metal in it.

Live market price

What is the gold price per gram right now?

Gold price per gram today

The live gold price in every unit that matters — gram, tola, pennyweight, baht, troy ounce — at every karat from 9K to 24K.

Live market price

How much gold is in a gold filled item?

Is gold filled worth anything?

Gold filled marks state a fraction of the total weight, so the content can be worked out. Plated marks state no quantity at all — and this says so.

Live market price

How much is sterling silver flatware worth by weight?

What is my silver flatware worth?

Weigh a piece, pick the stamp, and see its melt value at the live silver price — plus whether the weight looks typical for its type.

Live market price

How do I calculate zakat on gold jewellery?

Zakat on gold and silver jewellery

Price your gold and silver at today’s rate, check it against nisab, and see the 2.5% due — with the genuine scholarly disagreement over worn jewellery stated rather than settled.

Live market price

What is the maximum gold loan I can get in India?

How much can I borrow against my gold?

The RBI’s regulated loan-to-value ceilings — 85%, 80% or 75% depending on the loan size — applied to your gold’s value at today’s price.

Live market price

How much is a mixed karat gold lot worth?

What is a mixed-karat gold lot worth?

Weigh each karat you have sorted the lot into, and see the melt value of each group and the whole lot together at the live price.

Live market price

How much platinum is in a Platinum Eagle?

How much platinum is in a platinum coin?

Platinum content and melt value of the Platinum Eagle, Maple Leaf, Britannia and Kangaroo, from each mint’s own weight and fineness, at the live price.

Live market price

How much palladium is in a Palladium Eagle?

How much palladium is in a palladium coin?

Palladium content and melt value of the American Palladium Eagle and the Palladium Maple Leaf, from each mint’s own weight and fineness, at the live price.

Live market price

What size is it?

Rings, bracelets, bangles and watches. Every national scale is a convention laid over a measurement in millimetres, so these all work from the millimetres out.

Stones

Carat is a weight, not a size, and the two do not track each other. These convert between them, and cover hardness, birthstones and pearls.

What is the Mohs hardness of a gemstone?

How hard is that stone?

Every common gem ranked by scratch resistance, and the difference between hardness and toughness that costs people stones.

How many millimetres is a 1 carat diamond?

How big is a one carat diamond?

Carats are weight, not size. Convert between the two for eleven shapes, and see how much of the face-up size a shape gives back.

How much does a 1 carat ruby weigh compared to a diamond?

What does a coloured stone weigh?

The same size stone weighs different carats in different minerals. A ruby is denser than a diamond, so it looks smaller for its weight.

What is the birthstone for my month?

Birthstone by month

The modern list and the older traditional list side by side, for every month — they disagree more often than people expect.

What size are Akoya, freshwater, Tahitian and South Sea pearls?

Pearl size chart

The millimetre range each pearl type is actually cultured in, shown as ranges because a single "typical size" would hide how much they overlap.

How many grams are in a carat?

Carat to grams converter

A metric carat is exactly 0.2 grams — convert to grams, points and milligrams, and see why a carat and a karat are not the same thing.

What size is a gemstone in mm for a given carat weight?

Gemstone size chart — carats to millimetres

Carat weight to millimetres for every common species and shape, rescaled by each mineral’s own density rather than assuming everything weighs like a diamond.

What is the refractive index of a gemstone?

Refractive index of gemstones

GIA’s published refractive index ranges for 26 gems, drawn to scale. Enter a refractometer reading to see every gem whose range contains it.

What is the specific gravity of a gemstone?

Specific gravity of gemstones

GIA’s published specific gravity for 26 gems, drawn to scale. Enter a reading to see every gem whose published figure it matches.

How much is a momme of pearls?

What is a momme? Pearl weight converter

Convert between grams, momme, carats and pearl grains. The momme is 3.75 g exactly under Japanese law, and every conversion here is a fixed definition.

How do you calculate diamond depth percentage?

Diamond depth and table percentage calculator

Total depth % and table % of a round diamond from your own millimetre measurements, using GIA’s definitions and rounded the way GIA reports them.

How do you work out an oval diamond’s length-to-width ratio?

Diamond length-to-width ratio calculator

The length-to-width ratio of an oval, pear, emerald, marquise or any fancy shape: length ÷ width, from the measurements on the report.

How do you calculate crown height percentage?

Diamond crown height and pavilion depth calculator

Crown height % and pavilion depth % of a round diamond from your own millimetre measurements, using GIA’s definitions and its 0.5% rounding.

How many points are in a carat?

Carat to points converter and total carat weight

Points to carats, the total carat weight of a ring full of small stones, and the rule GIA uses to round a weighed diamond to the hundredth.

The metal itself

Purity, alloys, density and the units gold is bought in — grams in one country, pennyweight in another, tola in a third.

How many grams are in a tola of gold?

Gold weight converter

Grams, pennyweight, troy ounces, tola and baht — the units gold is actually quoted in, and what each is worth today.

Live market price

How do I make 14K gold from 24K?

How much alloy to change the karat?

The mass balance for taking one purity to another — how much alloy to let it down, or how much fine gold to sweeten it.

What does 585 mean, and how many karats is it?

Karat, fineness and what the numbers mean

Convert karats to parts per thousand and back, and see how much actual gold sits inside each standard.

Is a troy ounce the same as a regular ounce?

Troy ounce vs regular ounce

Convert grams, troy ounces, pennyweight, grains, tola and baht — and see exactly why a troy ounce and a kitchen ounce are not the same weight.

Is platinum heavier than gold?

Is platinum heavier than gold?

Published densities for every metal jewellery is actually made from, plus what an identical-size piece would weigh cast in a different one.

How much does a gold chain weigh?

How much will this chain weigh?

Weigh a short measured length and this extrapolates the weight of the full chain — because no style-and-gauge weight table can be trusted to the gram.

What karat is gold in India, the UK and the US?

What karat is gold, by country?

The legal gold standards in the UK, US, India, Italy and the Gulf, with the law or regulator behind each one — not a guess at what is common.

What makes rose gold pink?

What makes rose, white and green gold?

The metal that gives each colour its tint, and the exact gold content that stays fixed at every karat while the recipe for the rest is a maker’s own.

How do I do a specific gravity test on gold?

Specific gravity test for gold

Weigh it in air, then in water, and see its specific gravity with the range your scale allows — placed among published densities, not used to name the metal.

What temperature does gold melt at?

Melting point of gold, silver and platinum

The melting points of the precious metals and their alloying metals in °C, °F and kelvin — six of them the fixed points the temperature scale is defined by.

What does 950 Plat mean?

What does a platinum stamp mean?

Type the stamp — 950 Plat, Pt900, 600Pt.350Ir — and see what it claims under the US FTC rule and whether it is a UK hallmarking standard.

What silver purity is legal in India, the UK and the US?

What purity is silver, by country?

The legal silver standards in the UK, the US and India, with the law or national standard behind each — including India’s 2025 revision.

What does an anchor hallmark mean?

UK assay office marks: what the symbol means

An anchor, a leopard’s head, a rose or a castle: which UK assay office struck the mark, drawn so you can match it, from the assay offices’ own histories.

How much gold is in gold plated jewellery?

How much gold is in gold plated jewellery?

The least fine gold that “gold electroplate”, “heavy gold electroplate” or “vermeil” promises, from the FTC’s defined thicknesses and the plated area.

Live market price

What does the CCM hallmark mean?

The Common Control Mark (CCM) explained

The international Convention hallmark: which finenesses it is struck in, the five every member accepts, and the 22 Contracting States, from the Convention’s own site.

How far below its stamp can gold legally be?

Is 14K gold really 14K?

Enter a stamp — 10K, 14K, 585 — and see the lowest fineness US law allows it to test at, with and without solder, under 15 U.S.C. § 295.

How far below its mark can silver legally be?

Is sterling silver really 925?

Enter a mark — sterling, coin, 925, 800 — and see the lowest fineness US law allows it to test at, with and without solder, under 15 U.S.C. § 296.

Does gold under 1 gram need hallmarking?

Does it need a hallmark? UK exemption weights

Tick the metals and enter the weight to see which Hallmarking Act exemption applies — gold 1 g, silver 7.78 g, platinum 0.5 g, palladium 1 g — and whether it is under it.

How much pure gold is in a gold bar?

How much gold is in a gold bar?

Enter the weight and fineness stamped on a bar to see the pure gold it contains, in grams, troy ounces and kilograms, with the LBMA Good Delivery bar for reference.

How thick is 20 gauge wire in mm?

Wire gauge to millimetres (AWG)

American Wire Gauge to millimetres and inches, from the NIST definition, for every size from 0000 to 56. Enter a caliper reading to find the nearest gauge.

How much pure silver is in a silver bar?

How much silver is in a silver bar?

Enter the weight and fineness stamped on a silver bar to see the pure silver it contains, with the LBMA Good Delivery silver bar for reference.

How much pure platinum is in a platinum bar?

How much platinum is in a platinum bar?

Enter the weight and fineness stamped on a platinum or palladium bar to see the pure metal it contains, with the LPPM Good Delivery plate for reference.

How many grams is a pennyweight?

Pennyweight to grams converter

Convert pennyweights (dwt) to grams, troy ounces and grains. A pennyweight is 24 grains, exactly 1.55517384 g, and 20 of them make a troy ounce.

How many grains are in a gram?

Grains to grams converter

Convert grains to grams, milligrams, pennyweights and ounces. The grain is 64.79891 mg exactly, and it is the same grain in troy and avoirdupois weight.

How much does a cubic inch of gold weigh?

How much does a cubic inch of gold weigh?

The weight of a block, rod or ball of pure gold, silver, platinum or another pure metal, from its dimensions and the metal’s published density.

How many ounces are in a troy pound?

Troy pound converter

Convert troy pounds to troy ounces, pennyweights, grains and grams. A troy pound is exactly 12 troy ounces, 5,760 grains or 373.2417216 g.

What does a 925 silver hallmark mean in India?

Indian silver hallmark grades: what 800, 925 and 999 mean

The BIS silver grades under IS 2112:2014 and IS 2112:2025, which edition lists each one, and the pure silver a grade states for a piece of your weight.

What does the lion passant hallmark mean?

UK hallmark symbols: lion passant, crown, Britannia, orb

Pick a metal and fineness to see the figures a UK hallmark strikes and the optional symbol that goes with them, or start from the symbol you can see.

Why are there two different hallmarks on one ring?

Two metals, one piece: which UK hallmark is struck

Enter the metals, finenesses and weights in a piece to see which full hallmark it takes, which parts get a fineness mark only, and whether it is under the exemption weight.

60 tools, all free, none of them run by anyone who wants to buy your jewellery.