Nanogram is 1e-9 gram units.
Nanograms to Milligrams Converter — ng to mg
Convert Nanogram (ng) to Milligram (mg) using the exact conversion factor (1 nanogram = 0.000001 milligram). See the formula, worked examples, and conversion table.
Nanograms 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-12 / 1e-6.
Mass uses the kilogram as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Nanograms to Milligrams
Weight conversions between Nanogram 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: Nanogram is 1e-9 gram units, and milligram is 0.001 gram units.
Formula
milligrams = nanograms × 0.000001
This factor comes from each unit's defined relationship to the category's base unit: 1 nanogram equals 1e-12 base units, and 1 milligram equals 0.000001 base units, so dividing one by the other gives the direct nanogram-to-milligram factor of 0.000001.
Simple example
1 ng × 0.000001 = 0.000001 mg
1 nanogram = 0.000001 milligrams.
Real-world example
50 ng × 0.000001 = 0.00005 mg
50 nanograms = 0.00005 milligrams.
Conversion table
| Nanogram (ng) | Milligram (mg) |
|---|---|
| 1 ng | 0.000001 mg |
| 5 ng | 0.000005 mg |
| 10 ng | 0.00001 mg |
| 25 ng | 0.000025 mg |
| 50 ng | 0.00005 mg |
| 100 ng | 0.0001 mg |
Reverse conversion: Milligram to Nanogram
0.000001 mg × 1000000 = 1 ng
0.000001 milligrams = 1 nanograms.
nanograms = milligrams × 1000000
For a page dedicated to this direction, see Milligram to Nanogram.
Understanding the Nanogram (ng)
Nanogram is 1e-9 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 nanogram?
1 nanogram equals 0.000001 milligrams, using the exact defined conversion factor rather than an estimate.
How do I convert nanogram to milligram?
Multiply the nanogram value by 0.000001. The converter above does this instantly to whatever precision you set.
How do I convert milligram back to nanogram?
Use the reverse factor: 1 milligram equals 1,000,000 nanograms. You can also use the swap control in the converter above to flip the direction instantly.
What is a nanogram?
Nanogram (ng) is a unit of mass/weight.
What is a milligram?
Milligram (mg) is a unit of mass/weight.
Is the nanogram to milligram conversion exact?
Yes. Both nanogram and milligram are defined by fixed standards rather than physical artifacts, so the factor of 0.000001 used above is exact to as many digits as you choose to display.