ganak.appGrains to Grams Converter
Convert grains to grams instantly. Free grain to gram converter with quick reference table and formula. 1 grain = 0.0648 grams.
0.064799
Gram (g)
Input Value
1 gr (Grain)
1/7000 of a pound. Used in ammunition, pharmacy, and archery.
How to Convert Grain to Gram
Simple formula with a worked example
To convert grain (gr) to gram (g), use this formula:
g = grains × 0.06480Example: Convert 200 gr to g
200 gr = 12.9598 gTo convert back, use: grains = g × 15.4324
Grain to Gram Conversion Table
Quick reference for common grain to gram conversions
| Grain (gr) | Gram (g) |
|---|---|
| 1 gr | 0.064799 g |
| 2 gr | 0.129598 g |
| 5 gr | 0.323995 g |
| 10 gr | 0.647989 g |
| 25 gr | 1.62 g |
| 50 gr | 3.2399 g |
| 100 gr | 6.4799 g |
| 250 gr | 16.1997 g |
| 500 gr | 32.3995 g |
| 1,000 gr | 64.7989 g |
About Grain and Gram
Understanding these weight units
Grain (gr)
1/7000 of a pound. Used in ammunition, pharmacy, and archery.
Gram (g)
1/1000 of a kilogram. Common for food, cooking, and small items.
When You Need This Conversion
- medication dosing
- bullet weight
- archery equipment
- pharmacy calculations
Frequently Asked Questions
Common questions about converting grain to gram
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Last updated Mar 21, 2026