Exagram is 1000000000000000000 gram units.
Exagrams to Ronnagrams Converter — Eg to Rg
Convert Exagram (Eg) to Ronnagram (Rg) using the exact conversion factor (1 exagram = 1e-9 ronnagram). See the formula, worked examples, and conversion table.
Exagrams to Ronnagrams 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.
Ronnagram is 1e+27 gram units.
Result = input x 1e+15 / 1e+24.
Mass uses the kilogram as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Exagrams to Ronnagrams
Weight conversions between Exagram and Ronnagram 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: Exagram is 1000000000000000000 gram units, and ronnagram is 1e+27 gram units.
Formula
ronnagrams = exagrams × 1e-9
This factor comes from each unit's defined relationship to the category's base unit: 1 exagram equals 1e+15 base units, and 1 ronnagram equals 1e+24 base units, so dividing one by the other gives the direct exagram-to-ronnagram factor of 1e-9.
Simple example
1 Eg × 1e-9 = 1e-9 Rg
1 exagram = 1e-9 ronnagrams.
Real-world example
50 Eg × 1e-9 = 5e-8 Rg
50 exagrams = 5e-8 ronnagrams.
Conversion table
| Exagram (Eg) | Ronnagram (Rg) |
|---|---|
| 1 Eg | 1e-9 Rg |
| 5 Eg | 5e-9 Rg |
| 10 Eg | 1e-8 Rg |
| 25 Eg | 2.5e-8 Rg |
| 50 Eg | 5e-8 Rg |
| 100 Eg | 1e-7 Rg |
Reverse conversion: Ronnagram to Exagram
1e-9 Rg × 1000000000 = 1 Eg
1e-9 ronnagrams = 1 exagram.
exagrams = ronnagrams × 1000000000
For a page dedicated to this direction, see Ronnagram to Exagram.
Understanding the Exagram (Eg)
Exagram is 1000000000000000000 gram units.
Understanding the Ronnagram (Rg)
Ronnagram is 1e+27 gram units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ronnagrams are in 1 exagram?
1 exagram equals 1e-9 ronnagrams, using the exact defined conversion factor rather than an estimate.
How do I convert exagram to ronnagram?
Multiply the exagram value by 1e-9. The converter above does this instantly to whatever precision you set.
How do I convert ronnagram back to exagram?
Use the reverse factor: 1 ronnagram equals 1,000,000,000 exagrams. You can also use the swap control in the converter above to flip the direction instantly.
What is a exagram?
Exagram (Eg) is a unit of mass/weight.
What is a ronnagram?
Ronnagram (Rg) is a unit of mass/weight.
Is the exagram to ronnagram conversion exact?
Yes. Both exagram and ronnagram are defined by fixed standards rather than physical artifacts, so the factor of 1e-9 used above is exact to as many digits as you choose to display.