Stones to Grams Converter
Enter the weight in stones below to convert it to grams.
Convert Stones to Grams
Enter a value in stones (st) to convert to grams (g).
Stone to Gram Conversion Table
Table showing various stone measurements converted to grams. Click any preset value or arrow to load it into the converter.
| Stones (st) | Grams (g) |
|---|---|
| 1 st | 6,350.29318 g |
| 2 st | 12,700.58636 g |
| 2.5 st | 15,875.73295 g |
| 5 st | 31,751.4659 g |
| 10 st | 63,502.9318 g |
| 15 st | 95,254.3977 g |
| 20 st | 127,005.8636 g |
| 25 st | 158,757.3295 g |
| 30 st | 190,508.7954 g |
| 50 st | 317,514.659 g |
How to Convert Stones to Grams
To convert stones to grams, multiply the weight by the following conversion ratio: 6,350.29318 grams/stone.
Since one stone is equal to 6,350.29318 grams, you can use this simple formula to convert:
The weight in grams is equal to the weight in stones multiplied by 6,350.29318.
For example, here's how to convert 5 stones to grams using the formula above.
How Many Grams Are in a Stone?
There are 6,350.29318 grams in a stone, which is why we use this value in the formula above.
Our stone to gram calculator automatically converts your weight measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Stones and grams are both units used to measure weight. Keep reading to learn more about each unit.
What Is a Stone?
A stone is a unit of weight equal to 6.3502932 kilograms (kg), the base unit for weight. British imperial unit equal to 14 pounds (6.35029 kg). [1]
The stone is classified as a US customary and imperial unit of weight. Stones can be abbreviated as st; for example, 1 stone can be written as 1 st.
When working with stones (st) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, stones (st) are widely used across standard weight applications within US customary and imperial workflows, engineering documentation, and technical data sheets.
What Is a Gram?
A gram is a unit of weight equal to 1/1,000 of a kilogram (0.001 kg). Metric unit equal to one-thousandth of a kilogram (0.001 kg). [2]
The gram is classified as a metric and SI-compatible unit of weight. Grams can be abbreviated as g; for example, 1 gram can be written as 1 g.
When working with grams (g) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, grams (g) are widely used across fine-tolerance laboratory, analytical, and micro-scale weight measurements within SI metric workflows, engineering documentation, and technical data sheets.
When converting weight between stones (st) and grams (g), keep full floating-point precision (1 st = 6,350.29318 g; 1 g = 0.000157473 st) during intermediate calculations and round only the final gram figure to match your instrument tolerance.
More Stone & Gram Conversions
Need to calculate in the opposite direction? Use our grams to stones calculator to switch your starting unit immediately. You can also explore related tools such as converting grams to stones, converting ounces to grams, or converting kilograms to grams.
Convert from Stones
Weight and volume require ingredient density (g/mL). Choose a USDA FoodData Central verified ingredient below:
Frequently Asked Questions
References
- [1]NIST OWM StandardNIST OWM (SI Units — Mass)·Mass & Weight Metrology Standard — Stones (st) to Grams (g)
- [2]NIST HB 44 SpecificationNIST HB 44 (NIST Handbook 44 (Current Ed.))·Unit Specifications: Stone (UK) (st) & Gram (g)
- [3]BIPM ReferenceBIPM (SI Base Unit: Kilogram (kg))·Conversion Factors & Mathematical Basis (st to g)