Zettagram is 1e+21 gram units.
Zettagrams to Exagrams Converter — Zg to Eg
Convert Zettagram (Zg) to Exagram (Eg) using the exact conversion factor (1 zettagram = 1,000 exagram). See the formula, worked examples, and conversion table.
Zettagrams to Exagrams 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.
Exagram is 1000000000000000000 gram units.
Result = input x 1e+18 / 1e+15.
Mass uses the kilogram as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Zettagrams to Exagrams
Weight conversions between Zettagram and Exagram 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: Zettagram is 1e+21 gram units, and exagram is 1000000000000000000 gram units.
Formula
exagrams = zettagrams × 1000
This factor comes from each unit's defined relationship to the category's base unit: 1 zettagram equals 1e+18 base units, and 1 exagram equals 1e+15 base units, so dividing one by the other gives the direct zettagram-to-exagram factor of 1000.
Simple example
1 Zg × 1000 = 1,000 Eg
1 zettagram = 1,000 exagrams.
Real-world example
50 Zg × 1000 = 50,000 Eg
50 zettagrams = 50,000 exagrams.
Conversion table
| Zettagram (Zg) | Exagram (Eg) |
|---|---|
| 1 Zg | 1,000 Eg |
| 5 Zg | 5,000 Eg |
| 10 Zg | 10,000 Eg |
| 25 Zg | 25,000 Eg |
| 50 Zg | 50,000 Eg |
| 100 Zg | 100,000 Eg |
Reverse conversion: Exagram to Zettagram
1 Eg × 0.001 = 0.001 Zg
1 exagram = 0.001 zettagrams.
zettagrams = exagrams × 0.001
For a page dedicated to this direction, see Exagram to Zettagram.
Understanding the Zettagram (Zg)
Zettagram is 1e+21 gram units.
Understanding the Exagram (Eg)
Exagram is 1000000000000000000 gram units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many exagrams are in 1 zettagram?
1 zettagram equals 1,000 exagrams, using the exact defined conversion factor rather than an estimate.
How do I convert zettagram to exagram?
Multiply the zettagram value by 1000. The converter above does this instantly to whatever precision you set.
How do I convert exagram back to zettagram?
Use the reverse factor: 1 exagram equals 0.001 zettagrams. You can also use the swap control in the converter above to flip the direction instantly.
What is a zettagram?
Zettagram (Zg) is a unit of mass/weight.
What is a exagram?
Exagram (Eg) is a unit of mass/weight.
Is the zettagram to exagram conversion exact?
Yes. Both zettagram and exagram are defined by fixed standards rather than physical artifacts, so the factor of 1000 used above is exact to as many digits as you choose to display.