A grain is exactly 64.79891 milligrams.
Grains to Exagrams
Convert grains (gr) to exagrams (Eg) 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.
Exagram is 1000000000000000000 gram units.
Eg = gr × 6.479891e-20
Results update instantly for Grains to Exagrams conversions.
Reserved above the conversion cards and below the converter.
Formula
Eg = gr × 6.479891e-20
gr = Eg ÷ 6.479891e-20
Conversion table
| 1 gr | 6.479891e-20 Eg |
| 5 gr | 3.239945e-19 Eg |
| 10 gr | 6.479891e-19 Eg |
| 20 gr | 1.295978e-18 Eg |
| 50 gr | 3.239945e-18 Eg |
| 100 gr | 6.479891e-18 Eg |
| 500 gr | 3.239945e-17 Eg |
| 1000 gr | 6.479891e-17 Eg |
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 grain (gr). A grain is exactly 64.79891 milligrams.
What is the destination unit in this conversion?
The destination unit is the exagram (Eg). Exagram is 1000000000000000000 gram units.
How do I convert grains to exagrams?
Multiply the number of grains by 6.479891e-20 to get the equivalent value in exagrams. For example, 5 gr × 6.479891e-20 = 3.239945e-19 Eg.
Is the grain to exagram conversion exact?
Yes. This converter uses a fixed factor of 6.479891e-20, 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 grain and exagram values.
Can I convert exagrams back to grains?
Yes. Multiply the exagrams value by 1.54323583529e+19, or divide it by 6.479891e-20, to convert back to grains.
Reserved between the FAQ and the article so the page stays balanced.
About this conversion
This page converts grains (gr) into exagrams (Eg) using the Universal Converter's mass conversion engine.
Grain-to-Exagram conversions are useful for everyday calculations, scientific work, shipping, and any task that mixes different weight or mass units.
The formula is Eg = gr × 6.479891e-20, based on the standard definitions of grain and exagram.
Because the conversion factor is fixed, results stay consistent and repeatable no matter how many times you calculate them.
Grain: A grain is exactly 64.79891 milligrams. Exagram: Exagram is 1000000000000000000 gram units.