An avoirdupois dram is 1/16 ounce.
Drams to Nanograms
Convert drams (dr) to nanograms (ng) instantly. Free online weight converter with formulas, tables and examples.
Reserved for a responsive leaderboard above the conversion details.
Professional calculator style
World-scale conversion engine
30+ categories
6,500+ units
Instant results
Offline ready
Converter
Length Converter
Convert metric, imperial, and nautical distance units.
Context values
Some unit families need one extra value for a physically accurate result.
Nanogram is 1e-9 gram units.
ng = dr × 1771845195.31
Results update instantly for Drams to Nanograms conversions.
Reserved above the conversion cards and below the converter.
Formula
ng = dr × 1771845195.31
dr = ng ÷ 1771845195.31
Conversion table
| 1 dr | 1771845195.312500 ng |
| 5 dr | 8859225976.562498 ng |
| 10 dr | 17718451953.124996 ng |
| 20 dr | 35436903906.249992 ng |
| 50 dr | 88592259765.624985 ng |
| 100 dr | 177184519531.249969 ng |
| 500 dr | 885922597656.249878 ng |
| 1000 dr | 1.771845e+12 ng |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
What is the source unit in this conversion?
The source unit is the dram (dr). An avoirdupois dram is 1/16 ounce.
What is the destination unit in this conversion?
The destination unit is the nanogram (ng). Nanogram is 1e-9 gram units.
How do I convert drams to nanograms?
Multiply the number of drams by 1771845195.31 to get the equivalent value in nanograms. For example, 5 dr × 1771845195.31 = 8859225976.562498 ng.
Is the dram to nanogram conversion exact?
Yes. This converter uses a fixed factor of 1771845195.31, so results are precise and consistent every time you use it.
Where is this conversion commonly used?
It's used in everyday measurement, shipping and logistics, scientific and industrial work, and any context where you need to switch between dram and nanogram values.
Can I convert nanograms back to drams?
Yes. Multiply the nanograms value by 5.64383391193e-10, or divide it by 1771845195.31, to convert back to drams.
Reserved between the FAQ and the article so the page stays balanced.
About this conversion
This page converts drams (dr) into nanograms (ng) using the Universal Converter's mass conversion engine.
Dram-to-Nanogram conversions are useful for everyday calculations, scientific work, shipping, and any task that mixes different weight or mass units.
The formula is ng = dr × 1771845195.31, based on the standard definitions of dram and nanogram.
Because the conversion factor is fixed, results stay consistent and repeatable no matter how many times you calculate them.
Dram: An avoirdupois dram is 1/16 ounce. Nanogram: Nanogram is 1e-9 gram units.