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Tola or Gram? The Arithmetic Behind Every Nepali Gold Bill
Every rate board in the country quotes two numbers for the same metal, and the gap between them is not a discount. Here is the conversion every buyer should be able to do in their head, and the two places where a bill most often goes wrong.
Walk past any shop in Asan or New Road and the board outside carries two figures for the same gold: one per tola, one per ten grams. Neither is a better deal than the other. They are the same metal measured with two different rulers, and the only reason both are on the wall is that Nepal has never fully let go of the older one.
The number to memorise
One tola is 11.6638 grams. That is the whole of it. Everything else follows.
Most people round it to 11.66, which is close enough that the error on a single ornament is smaller than the dust on the scale. To get a per-ten-gram rate from a per-tola rate, divide by 1.16638. Going the other way, multiply by the same figure.
So a shop quoting Rs 233,000 per tola is quoting roughly Rs 199,760 per ten grams. If the second number on the board is badly out of step with that, ask why before you ask anything else.
Why two units at all
The tola is the older unit, inherited from a South Asian weight system that predates the metric one by a long way, and it is still how families talk about gold. A grandmother does not say she was given ninety-three grams at her wedding. She says eight tola.
The gram arrived with international trade. Gold is priced globally in troy ounces and converted down, customs works in kilograms, and any shop with a computer is storing weights in grams because that is what the scale reports. The board carries both because the customer thinks in one and the paperwork runs on the other.
Where the arithmetic actually goes wrong
Two places, and neither of them is the conversion itself.
The rate is for the metal, not the ornament
The published rate is for gold of a stated purity, sold as metal. An ornament is metal plus labour plus loss. The line on your bill that multiplies weight by rate is only the first line. Making charges and wastage come after it, and on an intricate piece they are not small. A necklace and a plain bangle of identical weight can differ by thousands of rupees for reasons that have nothing to do with the rate board.
The weight on the bill includes things that are not gold
Stones, enamel and the solder holding a piece together all sit on the scale. A careful shop lists the gross weight, the stone weight and the net gold weight as separate lines. If your bill shows one weight and one rate and nothing else, you are entitled to ask for the breakdown before you pay rather than after.
A worked example
Say the fine gold rate is Rs 234,000 per tola and you are buying a 22-carat bangle weighing 18.5 grams net.
- Convert the rate to grams: 234,000 divided by 11.6638 is about Rs 20,062 per gram.
- Metal value: 18.5 multiplied by 20,062 is about Rs 371,150.
- Making charges and wastage are then added, as a percentage or a per-gram figure, and VAT goes on top of the total.
You do not need to do this at the counter. You need to be able to do it afterwards, at home, and have it come out roughly where the bill said it would.
One habit worth keeping
Photograph the rate board on the day you buy. Rates move daily, and a bill written three days later against a different rate is a conversation that goes much better when one side has a picture.