Table Of Contents
Grain to grams Conversion
1 grain (gr) is equal to 0.06479891 grams (gram).
1 gr = 0.06479891 gram
or
1 gram = 15.43235835 gr
Formula
To convert a mass from grain (gr) to grams (gram), divide the mass in grain by 15.43235835
m(gram) = m(gr) / 15.43235835
Examples:
Convert 100 grain to grams:
m(gram) = 100gr / 15.43235835 = 6.479891 gram
Conversion table
| Grain (gr) | Grams (gram) |
|---|---|
| 1 gr | 0.06479891 gram |
| 2 gr | 0.12959782 gram |
| 3 gr | 0.19439673 gram |
| 5 gr | 0.32399455 gram |
| 10 gr | 0.6479891 gram |
| 20 gr | 1.2959782 gram |
| 25 gr | 1.61997275 gram |
| 50 gr | 3.2399455 gram |
| 100 gr | 6.479891 gram |
| 250 gr | 16.1997275 gram |
| 500 gr | 32.399455 gram |
| 1000 gr | 64.79891 gram |
| Grams (gram) | Grain (gr) |
|---|---|
| 1 gram | 15.432358353 gr |
| 2 gram | 30.864716706 gr |
| 3 gram | 46.297075059 gr |
| 5 gram | 77.161791765 gr |
| 10 gram | 154.323583529 gr |
| 20 gram | 308.647167059 gr |
| 25 gram | 385.808958824 gr |
| 50 gram | 771.617917647 gr |
| 100 gram | 1543.235835294 gr |
| 250 gram | 3858.089588235 gr |
| 500 gram | 7716.179176471 gr |
| 1000 gram | 15432.358352941 gr |
Frequently asked questions
How do I convert grain to grams?
Divide the value in grain by 15.43235835 to get the result in grams. For example, 5 gr ÷ 15.43235835 = 0.32399455 gram.
How many grams are in 1 grain?
1 grain (gr) is equal to 0.06479891 grams (gram).
How do I convert grams back to grain?
Use the inverse operation: multiply the value in grams by 15.43235835 to get the result in grain.
How accurate is the grain to grams conversion?
The converter multiplies by the conversion factor 15.43235835 and rounds the result to 9 decimal places by default. You can increase or reduce the precision with the digits option on this page.
Sources
Conversion factors are based on internationally recognised standards:
- BIPM — The International System of Units (SI Brochure, 9th edition)
- ISO 80000-4:2019 — Quantities and units — Part 4: Mechanics
- NIST Handbook 44, Appendix C — General Tables of Units of Measurement (current edition)
- NIST Guide to the SI (SP 811), Appendix B.9: Factors for units listed by kind of quantity or field of science
- Circular of the Bureau of Standards No. 43: The Metric Carat (1st edition, issued November 1, 1913)