Grams to Stones Converter
Enter the weight in grams below to convert it to stones.
Convert Grams to Stones
Enter a value in grams (g) to convert to stones (st).
Gram to Stone Conversion Table
Table showing various gram measurements converted to stones. Click any preset value or arrow to load it into the converter.
| Grams (g) | Stones (st) |
|---|---|
| 1 g | 0.000157473 st |
| 2 g | 0.000314946 st |
| 2.5 g | 0.000393683 st |
| 5 g | 0.000787365 st |
| 10 g | 0.0015747 st |
| 15 g | 0.0023621 st |
| 20 g | 0.0031495 st |
| 25 g | 0.0039368 st |
| 30 g | 0.0047242 st |
| 50 g | 0.0078737 st |
How to Convert Grams to Stones
To convert grams to stones, multiply the weight by the following conversion ratio: 0.000157473 stones/gram.
Since one gram is equal to 0.000157473 stones, you can use this simple formula to convert:
The weight in stones is equal to the weight in grams multiplied by 0.000157473.
For example, here's how to convert 5 grams to stones using the formula above.
How Many Stones Are in a Gram?
There are 0.000157473 stones in a gram, which is why we use this value in the formula above.
Our gram to stone calculator automatically converts your weight measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Grams and stones are both units used to measure weight. Keep reading to learn more about each unit.
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). [1]
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.
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). [2]
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.
When converting weight between grams (g) and stones (st), keep full floating-point precision (1 g = 0.000157473 st; 1 st = 6,350.29318 g) during intermediate calculations and round only the final stone figure to match your instrument tolerance.
More Gram & Stone Conversions
Need to calculate in the opposite direction? Use our stones to grams calculator to switch your starting unit immediately. You can also explore related tools such as converting stones to grams, converting pounds to stones, or converting kilograms to stones.
Convert from Grams
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Frequently Asked Questions
References
- [1]NIST OWM StandardNIST OWM (SI Units — Mass)·Mass & Weight Metrology Standard — Grams (g) to Stones (st)
- [2]NIST HB 44 SpecificationNIST HB 44 (NIST Handbook 44 (Current Ed.))·Unit Specifications: Gram (g) & Stone (UK) (st)
- [3]BIPM ReferenceBIPM (SI Base Unit: Kilogram (kg))·Conversion Factors & Mathematical Basis (g to st)