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