How Many Grains in a Gram?
Quick Answer
There are approximately 15.43 grains in a gram.
1 g = 15.4324 gr
Understanding the Conversion
One gram equals 15.4324 grains. This conversion bridges the SI metric system with the apothecary/troy system still used in firearms (bullet weights), pharmacy (archaic), and some jewelry applications.
Formula
1 g = 15.4324 gr
Common Examples
| Description | Value |
|---|---|
| A 9mm bullet (7.45 g) | ≈115 grains |
| One gram of gold | 15.43 grains |
| 1 oz (avoirdupois) | 437.5 grains = 28.35 g |
Quick Reference Table
Use this table for quick conversions between gram and grains:
| gram | grains |
|---|---|
| 1 | 15.432 |
| 2 | 30.864 |
| 5 | 77.16 |
| 10 | 154.32 |
| 25 | 385.8 |
| 50 | 771.6 |
| 100 | 1,543.2 |
Frequently Asked Questions
How Many Grains in a Gram?
There are approximately 15.43 grains in a gram. One gram equals 15.4324 grains. This conversion bridges the SI metric system with the apothecary/troy system still used in firearms (bullet weights), pharmacy (archaic), and some jewelry applications.
What is the formula to convert gram to grains?
The formula is: 1 g = 15.4324 gr. To convert, multiply the number of grams by 15.432 to get the equivalent in grains.
How do I convert grains to gram?
To convert grains to gram, divide the number of grains by 15.432. For example, 77.16 grains equals 5 grams.