This chart contains black powder grain sizes of commonly used black powders as well as a comparison of Blasting and Sporting grades.
| Sporting Grades (G) | Grain Size (mm) | Blasting Grades (A) | Grain Size (mm) |
|---|---|---|---|
| 1FA | 8.0 - 4.0 | ||
| Cannon Grade | 4.76 - 1.68 | 2FA | 4.76 - 1.68 |
| 1FG | 1.68 - 1.19 | 4FA | 1.68 - 0.84 |
| 2FG | 1.19 - 0.59 | ||
| 3FG | 0.84 - 0.29 | 5FA | 0.84 - 0.297 |
| 4FG | 0.42 - 0.15 | 7FA | 0.42 - 0.149 |
| Meal D | 0.42 | ||
| 5FG | 0.149 | Fine | 0.149 |
Commonly used Black Powder Grain Mesh Sizes
| Grade | Mesh Range |
|---|---|
| FA | 3 - 5 |
| 2FA | 4 - 12 |
| 3FA | 10 - 16 |
| 4FA | 12 - 20 |
| 5FA | 20 - 50 |
| 6FA | 30 - 50 |
| 7FA | 40 - 100 |
| Meal D | + 50 |
| Fine Meal | + 100 |
| X-Fine Meal | + 140 |
| Cannon Grade | 4 - 12 |
| 1FG | 12 - 20 |
| 2FG | 16 - 30 |
| 3FG | 20 - 50 |
| 4FG | 40 - 100 |
| 5FG | + 100 |