Convert Stones to Grams
Convert Stones to Grams instantly. 1 Stone (st) equals 6,350.29 Grams (g).
Stones to Grams conversion table
| Stones (st) | Grams (g) |
|---|---|
| 1 st | 6,350.29 g |
| 2 st | 12,700.59 g |
| 3 st | 19,050.88 g |
| 5 st | 31,751.47 g |
| 10 st | 63,502.93 g |
| 20 st | 127,005.86 g |
| 50 st | 317,514.66 g |
| 100 st | 635,029.32 g |
| 500 st | 3,175,146.59 g |
| 1,000 st | 6,350,293.18 g |
1 Stone = 6,350.29 Grams · multiply Stones by 6,350.29
About converting Stones to Grams
Stones (st) and Grams (g) are both units of weight & mass, so converting between them is a single multiplication: multiply your Stones figure by 6,350.29. Ten Stones comes to 63,502.93 Grams, and a hundred works out at 635,029.32 Grams.
Rule of thumb: going from Stones to Grams multiplies, so the figure always grows — one Stone is already 6,350.29 Grams. If your answer came out smaller, you have the conversion the wrong way round.
What is a Stone?
The stone is fourteen pounds and, outside Britain and Ireland, essentially extinct. There it is still how people state body weight: a Briton says "eleven stone four", meaning eleven stone plus four pounds, and the plural stays stone in that construction — never "eleven stones". Americans give the identical weight as a single number in pounds, which is why British figures baffle them. The unit predates standardisation and was once a moving target, with a stone of wool, cheese or glass all weighing different amounts, and it is no longer permitted for trade in the UK at all.
What is a Gram?
The gram sits oddly in SI: the kilogram, not the gram, is the official base unit of mass, which makes mass the only quantity whose base unit carries a prefix built into its name. The gram was defined in 1795 as the mass of a cubic centimetre of water at the melting point of ice — a definition that tied mass neatly to length and made the young metric system self-consistent. It survives as the working unit of nutrition labels, recipes, postage and laboratory work: anything small enough that kilograms would force you into decimals.
To put both in perspective: most adults weigh somewhere between 9 and 14 stone, while a paperclip weighs about a gram.
The converter above updates as you type, and the table lists common values for quick reference. Need the opposite direction? Use the Grams to Stones converter, or browse all Weight & Mass converters.
Frequently asked questions
How many Grams are in one Stone?
There are 6,350.29 Grams in one Stone.
How do I convert Stones to Grams?
Multiply the number of Stones by 6,350.29. For example, 10 Stones = 63,502.93 Grams.
What is 100 Stones in Grams?
100 Stones is equal to 635,029.32 Grams.
How do I convert Grams to Stones?
Multiply the Grams value by 0.0001575 (or divide by 6,350.29).
Is this Stones to Grams conversion exact?
The definition is exact — Stones and Grams are both fixed against the same base by international agreement — but the decimal shown here is rounded for readability, because the true ratio does not terminate. For engineering or scientific work, carry more decimal places than this page displays.
What is a Stone?
The stone is fourteen pounds and, outside Britain and Ireland, essentially extinct. There it is still how people state body weight: a Briton says "eleven stone four", meaning eleven stone plus four pounds, and the plural stays stone in that construction — never "eleven stones". Americans give the identical weight as a single number in pounds, which is why British figures baffle them. The unit predates standardisation and was once a moving target, with a stone of wool, cheese or glass all weighing different amounts, and it is no longer permitted for trade in the UK at all.
What is a Gram?
The gram sits oddly in SI: the kilogram, not the gram, is the official base unit of mass, which makes mass the only quantity whose base unit carries a prefix built into its name. The gram was defined in 1795 as the mass of a cubic centimetre of water at the melting point of ice — a definition that tied mass neatly to length and made the young metric system self-consistent. It survives as the working unit of nutrition labels, recipes, postage and laboratory work: anything small enough that kilograms would force you into decimals.