Centigram is 0.01 gram units.
Centigrams to Milligrams Converter — cg to mg
Convert Centigram (cg) to Milligram (mg) using the exact conversion factor (1 centigram = 10 milligram). See the formula, worked examples, and conversion table.
Centigrams to Milligrams 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.
Milligram is 0.001 gram units.
Result = input x 1e-5 / 1e-6.
Mass uses the kilogram as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Centigrams to Milligrams
Weight conversions between Centigram and Milligram 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 milligram is 0.001 gram units.
Formula
milligrams = centigrams × 10
This factor comes from each unit's defined relationship to the category's base unit: 1 centigram equals 0.00001 base units, and 1 milligram equals 0.000001 base units, so dividing one by the other gives the direct centigram-to-milligram factor of 10.
Simple example
1 cg × 10 = 10 mg
1 centigram = 10 milligrams.
Real-world example
50 cg × 10 = 500 mg
50 centigrams = 500 milligrams.
Conversion table
| Centigram (cg) | Milligram (mg) |
|---|---|
| 1 cg | 10 mg |
| 5 cg | 50 mg |
| 10 cg | 100 mg |
| 25 cg | 250 mg |
| 50 cg | 500 mg |
| 100 cg | 1,000 mg |
Reverse conversion: Milligram to Centigram
10 mg × 0.1 = 1 cg
10 milligrams = 1 centigrams.
centigrams = milligrams × 0.1
For a page dedicated to this direction, see Milligram to Centigram.
Understanding the Centigram (cg)
Centigram is 0.01 gram units.
Understanding the Milligram (mg)
Milligram is 0.001 gram units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many milligrams are in 1 centigram?
1 centigram equals 10 milligrams, using the exact defined conversion factor rather than an estimate.
How do I convert centigram to milligram?
Multiply the centigram value by 10. The converter above does this instantly to whatever precision you set.
How do I convert milligram back to centigram?
Use the reverse factor: 1 milligram equals 0.1 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 milligram?
Milligram (mg) is a unit of mass/weight.
Is the centigram to milligram conversion exact?
Yes. Both centigram and milligram are defined by fixed standards rather than physical artifacts, so the factor of 10 used above is exact to as many digits as you choose to display.