Reference rates Loading rates…
Gold 24K — /10 g Gold 22K (916) — /10 g Gold 18K (750) — /10 g Gold 14K (585) — /10 g Silver 999 — /kg
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The jeweller's calculator, free to use.

Work out what a gold or silver piece is worth, what old gold fetches, any karat or tola, and the GST on a price. Hallmark maths, every line shown. Nothing to sign up for.

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Two gold bangles with fine filigree and small green stones, on a dark cloth 22K = 24K × 91.6%
Gold price
Example rate

22K chain · 10 g · 12% making

Metal
₹91,600
Making
₹10,992
GST 3%
₹3,078
Estimated price
₹1,05,670
A customer's hands trying on gold bangles at a shop counter

Made for the counter

The maths a customer asks for, before the bill

  1. 01

    Answer before you bill

    What's it worth, what's my old gold worth, how much for one tola: answer in the unit the customer asks in, without opening a bill.

  2. 02

    One karat rule

    Every karat follows its hallmark: 22K is 91.6% of the 24K rate, 18K 75%, 14K 58.5%, 9K 37.5%. A tola is 10 g, and GST is split the way the bill shows it.

  3. 03

    Every line on show

    Rate, metal, making and GST each on their own line, so the customer can follow how the price was reached.

CaratOS for your shop

In your own shop, your own rates

In CaratOS you set today's rates once each morning. Every calculator and every new bill uses them, with the market beside yours as a guide.

Your 15-day Starter trial begins when CaratOS approves your request. No card needed.

Gold necklaces and a bracelet on black display stands in a jewellery shop
Today’s rates Mehta Jewellers · Fri 25 Sep
Set 11:40 am by Pooja
24K (999)
₹1,18,900 /10 g
22K (916)
₹1,08,912 /10 g
18K (750)
₹89,175 /10 g
Silver 999
₹1,46,200 /kg
Old gold
₹1,16,522 /10 g fine

Every new bill and calculator uses these rates.

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