Centigram is 0.01 gram units.
Centigrams to Grains Converter — cg to gr
Convert Centigram (cg) to Grain (gr) using the exact conversion factor (1 centigram = 0.1543235835 grain). See the formula, worked examples, and conversion table.
Centigrams to Grains 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.
A grain is exactly 64.79891 milligrams.
Result = input x 1e-5 / 6.479891e-5.
Mass uses the kilogram as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Centigrams to Grains
Weight conversions between Centigram and Grain 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: Centigram is 0.01 gram units, and a grain is exactly 64.79891 milligrams.
Formula
grains = centigrams × 0.154323583529
This factor comes from each unit's defined relationship to the category's base unit: 1 centigram equals 0.00001 base units, and 1 grain equals 0.00006479891 base units, so dividing one by the other gives the direct centigram-to-grain factor of 0.154323583529.
Simple example
1 cg × 0.1543235835 = 0.1543235835 gr
1 centigram = 0.1543235835 grains.
Real-world example
50 cg × 0.1543235835 = 7.716179176 gr
50 centigrams = 7.716179176 grains.
Conversion table
| Centigram (cg) | Grain (gr) |
|---|---|
| 1 cg | 0.1543235835 gr |
| 5 cg | 0.7716179176 gr |
| 10 cg | 1.543235835 gr |
| 25 cg | 3.858089588 gr |
| 50 cg | 7.716179176 gr |
| 100 cg | 15.43235835 gr |
Reverse conversion: Grain to Centigram
0.1543235835 gr × 6.479891 = 0.9999999998 cg
0.1543235835 grains = 0.9999999998 centigrams.
centigrams = grains × 6.479891
For a page dedicated to this direction, see Grain to Centigram.
Understanding the Centigram (cg)
Centigram is 0.01 gram units.
Understanding the Grain (gr)
A grain is exactly 64.79891 milligrams.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many grains are in 1 centigram?
1 centigram equals 0.1543235835 grains, using the exact defined conversion factor rather than an estimate.
How do I convert centigram to grain?
Multiply the centigram value by 0.1543235835. The converter above does this instantly to whatever precision you set.
How do I convert grain back to centigram?
Use the reverse factor: 1 grain equals 6.479891 centigrams. You can also use the swap control in the converter above to flip the direction instantly.
What is a centigram?
Centigram (cg) is a unit of mass/weight.
What is a grain?
Grain (gr) is a unit of mass/weight.
Is the centigram to grain conversion exact?
Yes. Both centigram and grain are defined by fixed standards rather than physical artifacts, so the factor of 0.1543235835 used above is exact to as many digits as you choose to display.