Convert Stone to Grams
1 stone (st) equals 6350.29318 grams (g).
1 st = 6350.29318 g
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk stone to gram converter to paste a column from Excel.
How to Convert Stone to Gram
- 1 st = 6350.29318 g
- 1 g = 0.0001574730444 st
- Example: convert 15 st to g: 15 st = 15 × 6350.29318 g = 95254.3977 g
Reference conditions. st: Avoirdupois system: 1 lb = 16 oz = 7000 grains = 0.45359237 kg exactly (1959 agreement).
Formula
g = st × 6350.29318
Derivation from SI units:
- 1 st = 14 lb = 6.35029318 kg (exact)
- 1 g = 10⁻³ kg
- 1 st = 6.35029318 kg ÷ 0.001 kg per g = 6350.29318 g
Both units are defined exactly, so the factor is exact. Stone definition: stone; Gram definition: gram.
Worked examples
- A reading of 10 st converts to 63502.9318 g.
10 st × 6350.29318 = 63502.9318 g - A value of 14 st is 88904.10452 g.
14 st × 6350.29318 = 88904.10452 g
Stone to Gram conversion table
| Stone (st) | Grams (g) |
|---|---|
| 1 st | 6350.29318 g |
| 5 st | 31751.4659 g |
| 7 st | 44452.05226 g |
| 8 st | 50802.34544 g |
| 9 st | 57152.63862 g |
| 10 st | 63502.9318 g |
| 10.5 st | 66678.07839 g |
| 11 st | 69853.22498 g |
| 12 st | 76203.51816 g |
| 13 st | 82553.81134 g |
| 14 st | 88904.10452 g |
| 15 st | 95254.3977 g |
| 16 st | 101604.6909 g |
| 18 st | 114305.2772 g |
| 20 st | 127005.8636 g |
Where it's used
Stone are used for body weight in the UK and Ireland (e.g. 11 st 6 lb), while grams appear in recipes and nutrition labels. Both measure mass (commonly called weight), so the conversion is a fixed factor.
Stone to other weight and mass units
| Conversion | 1 st equals |
|---|---|
| stone to kilogram | 6.35029318 kg |
| stone to gram | 6350.29318 g |
| stone to milligram | 6350293.18 mg |
| stone to microgram | 6350293180 µg |
| stone to metric ton | 0.00635029318 t |
| stone to pound | 14 lb |
| stone to ounce | 224 oz |
| stone to short ton | 0.007 ton (US) |
| stone to long ton | 0.00625 ton (UK) |
| stone to grain | 98000 gr |
| stone to troy ounce | 204.1666667 oz t |
| stone to carat | 31751.4659 ct |
Frequently asked questions
How many grams are in 1 stone?
1 st = 6350.29318 g.
How do I convert stone to grams?
Multiply the value in st by 6350.29318. For example, 15 st × 6350.29318 = 95254.3977 g.
Is the st to g conversion exact?
Yes. Both units are defined exactly, and 1 st is exactly 6350.29318 g.
Sources
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, pound (avoirdupois).
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures , Table 7, SI prefixes.
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Convert Stone to Grams. Retrieved October 17, 2026, from https://scientificconverters.com/mass/stone-to-grams/
IEEE
Scientific Converters, "Convert Stone to Grams," scientificconverters.com. Accessed: Oct. 17, 2026. [Online]. Available: https://scientificconverters.com/mass/stone-to-grams/