Convert Grain to grams
Western Europe · European Weight · active · modern
Conventional value The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact.
1 Grain = 0.0648 grams
grams = Grain × 0.0648
Convert any amount
Grain to grams table
| Grain | grams |
|---|---|
| 0.25 Grain | 0.0162 grams |
| 0.5 Grain | 0.0324 grams |
| 1 Grain | 0.0648 grams |
| 2 Grain | 0.1296 grams |
| 3 Grain | 0.1944 grams |
| 4 Grain | 0.2592 grams |
| 5 Grain | 0.324 grams |
| 10 Grain | 0.648 grams |
| 20 Grain | 1.296 grams |
| 25 Grain | 1.62 grams |
| 50 Grain | 3.24 grams |
| 100 Grain | 6.48 grams |
About the Grain
Smallest traditional weight. 1 Pennyweight = 24 Grains.
- Symbol
- gr
- Value in SI
- 1 Grain = 0.0000648 kilogram
- Typical use
- jewellery, precious-metals
- Source
- UnitConvertLab measurement atlas
Every atlas conversion routes through the SI kilogram. See our methodology and data provenance pages for how these values are sourced and verified.
Related units and variant risk
Other european weight units in the Western Europe family, least settled first. If your figure came from a land record, invoice or historical document rather than a calculator, check these before assuming a single standard.
Related conversions
Frequently asked
How many grams are in a Grain?
1 Grain = 0.0648 grams. Multiply the number of Grain by 0.0648 to get grams.
What is Grain used for?
Smallest traditional weight. 1 Pennyweight = 24 Grains. It is classified as active and dates from the modern period.
Is the Grain value exact?
Yes for practical purposes. UnitConvertLab converts every atlas unit through the SI kilogram, so the arithmetic itself introduces no rounding beyond the digits shown.
How reliable is this Grain conversion?
Conventional value — The unit is customary but its modern value is settled and widely cited; the arithmetic itself is exact. Source: UnitConvertLab measurement atlas.
Cite this page
UnitConvertLab. (2026). Convert Grain to grams. UnitConvertLab. Retrieved from https://unitconvertlab.com/regional/grain-to-gram
Report an incorrect value or source
Regional units vary by district and by century. If this figure, its variant list or its citation is wrong where you are, tell us — the report carries the page context automatically.