grains (gr) to grams Converter
Convert grains (gr) to grams instantly. Includes a reference table and formula.
| grains (gr) | grams |
|---|
How to convert grains (gr) to grams
Enter your value
Type the number of grains (gr) you want to convert into the left box. The result in grams appears instantly in the right box. You can also type into the right box to convert in the other direction.
Use the swap button
Click the ⇄ Swap button to reverse the conversion — grams to grains (gr). Your current value carries across so you don't have to re-enter anything.
About grains (gr) and grams
grains (gr) and grams are measurement units. Use this converter to switch between them instantly.
Worked examples: grains (gr) to grams
Multiply the grains (gr) value by 0.0647989 to get grams. A few quick examples:
- 5 grains (gr) × 0.0647989 = 0.323995 grams
- 25 grains (gr) × 0.0647989 = 1.61997 grams
- 250 grains (gr) × 0.0647989 = 16.1997 grams
Related conversions
1 grain = 64.7989 mg. The grain was the smallest traditional weight unit in English-speaking countries — literally the weight of a single grain of barley wheat. Still used for archery arrows, gunpowder, and some pharmaceutical contexts.
| grains (gr) | grams |
|---|---|
| 1 | 0.0648 |
| 5 | 0.324 |
| 10 | 0.648 |
| 50 | 3.24 |
| 100 | 6.48 |
| 300 | 19.44 |
Frequently asked questions
How do I convert grains (gr) to grams?
To convert grains (gr) to grams, multiply by 0.0647989. Or use the calculator above for instant results.
How many grams are in 1 grains (gr)?
1 grains (gr) equals 0.0647989 grams.
Is the grains (gr) to grams converter free?
Yes, the grains (gr) to grams converter is completely free with no sign-up required, no downloads, and it works offline once the page has loaded.