Density and Mass
grtog
Convert grains (gr) to grams (g).
Factor1 gr = 0.06479891 g
Converter
gr
Accepts numbers or expressions, e.g. 150 + 14.7
Result
g
Rendered to 6 significant figures.
Formula
Formula
g = gr × 0.06479891
Multiply any value in grains by 0.06479891 to obtain the value in grams.
Worked example
Convert 1000 gr to g.
- 01Start with 1000 gr.
- 02Multiply by the conversion factor: 1000 × 0.06479891 = 64.7989 g.
Result1000 gr = 64.7989 g
Conversion table
| gr | g |
|---|---|
| 1 | 0.064799 |
| 2 | 0.1296 |
| 5 | 0.32399 |
| 10 | 0.64799 |
| 20 | 1.296 |
| 50 | 3.2399 |
| 100 | 6.4799 |
| 200 | 12.96 |
| 500 | 32.399 |
| 1000 | 64.799 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from gr to g?
1 gr equals 0.06479891 g. To convert, multiply the value in grains by 0.06479891.
How do I convert 1 gr to g?
1 gr = 0.0647989 g. For any value, multiply by 0.06479891.
How do I convert g back to gr?
Divide by the same factor — or equivalently, multiply by 15.43236. So 1 g = 15.4324 gr.
When would I need to convert grain (troy/apothecary) to gram?
Mass conversions appear in material balances, reagent dosing, and reconciling vendor specifications across imperial/metric systems.
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).