A grain is exactly 64.79891 milligrams.
Grains to Decigrams Converter — gr to dg
Convert Grain (gr) to Decigram (dg) using the exact conversion factor (1 grain = 0.6479891 decigram). See the formula, worked examples, and conversion table.
Grains to Decigrams converter
Converter
Mass/Weight Converter
Convert SI mass, imperial weight, jewelry, atomic, and astronomy mass units.
Context values
Some unit families need one extra value for a physically accurate result.
Decigram is 0.1 gram units.
Result = input x 6.479891e-5 / 0.0001.
Mass uses the kilogram as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Grains to Decigrams
Weight conversions between Grain and Decigram come up constantly in everyday commerce, shipping, and cooking, since US packaging is usually labeled in pounds while most of the rest of the world uses kilograms. Specifically: A grain is exactly 64.79891 milligrams, and decigram is 0.1 gram units.
Formula
decigrams = grains × 0.6479891
This factor comes from each unit's defined relationship to the category's base unit: 1 grain equals 0.00006479891 base units, and 1 decigram equals 0.0001 base units, so dividing one by the other gives the direct grain-to-decigram factor of 0.6479891.
Simple example
1 gr × 0.6479891 = 0.6479891 dg
1 grain = 0.6479891 decigrams.
Real-world example
50 gr × 0.6479891 = 32.399455 dg
50 grains = 32.399455 decigrams.
Conversion table
| Grain (gr) | Decigram (dg) |
|---|---|
| 1 gr | 0.6479891 dg |
| 5 gr | 3.2399455 dg |
| 10 gr | 6.479891 dg |
| 25 gr | 16.1997275 dg |
| 50 gr | 32.399455 dg |
| 100 gr | 64.79891 dg |
Reverse conversion: Decigram to Grain
0.6479891 dg × 1.543235835 = 1 gr
0.6479891 decigrams = 1 grains.
grains = decigrams × 1.54323583529
For a page dedicated to this direction, see Decigram to Grain.
Understanding the Grain (gr)
A grain is exactly 64.79891 milligrams.
Understanding the Decigram (dg)
Decigram is 0.1 gram units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many decigrams are in 1 grain?
1 grain equals 0.6479891 decigrams, using the exact defined conversion factor rather than an estimate.
How do I convert grain to decigram?
Multiply the grain value by 0.6479891. The converter above does this instantly to whatever precision you set.
How do I convert decigram back to grain?
Use the reverse factor: 1 decigram equals 1.543235835 grains. You can also use the swap control in the converter above to flip the direction instantly.
What is a grain?
Grain (gr) is a unit of mass/weight.
What is a decigram?
Decigram (dg) is a unit of mass/weight.
Is the grain to decigram conversion exact?
Yes. Both grain and decigram are defined by fixed standards rather than physical artifacts, so the factor of 0.6479891 used above is exact to as many digits as you choose to display.