Instant · Precise · Universal
34 units available
6 categories total
To convert Eg to kg: multiply by 10¹⁵. To convert Eg to Pg: multiply by 1,000.
1 Eg = 10¹⁸ g = 10¹⁵ kg = 10⁹ tonnes.
For example, 1 Exagram (Eg) = 1.097769e+45 Electron Mass (rest) (mₑ).
| Exagram (Eg) | Electron Mass (rest) (mₑ) |
|---|---|
| 0.1 | 1.097769e+44 |
| 0.5 | 5.488846e+44 |
| 1 | 1.097769e+45 |
| 2 | 2.195538e+45 |
| 5 | 5.488846e+45 |
| 10 | 1.097769e+46 |
| 25 | 2.744423e+46 |
| 50 | 5.488846e+46 |
| 100 | 1.097769e+47 |
| 500 | 5.488846e+47 |
| 1000 | 1.097769e+48 |
The exagram equals 10¹⁸ grams or 10¹⁵ kilograms — one trillion tonnes.
1 Eg = 10¹⁸ g = 10¹⁵ kg = 10⁹ tonnes.
To convert Eg to kg: multiply by 10¹⁵. To convert Eg to Pg: multiply by 1,000.
No everyday applications. Describes masses of small moons or large asteroids.
Earth's total mass is about 5.97 × 10⁶ Eg. The entire atmosphere weighs 'only' about 5 Eg.
Hardly ever encountered — most contexts use 'times 10^x kg' notation instead of exagrams.
If you need to express masses between Pg and Earth-masses, the exagram fills that gap: 1 Eg = 10¹⁵ kg.
The electron rest mass is the mass of a stationary electron, approximately 9.109 × 10⁻³¹ kilograms.
mₑ ≈ 9.109 × 10⁻³¹ kg = 5.486 × 10⁻⁴ u = 1/1836 of a proton mass.
To convert electron masses to kg: multiply by 9.1093837015 × 10⁻³¹.
Essential for electron microscope design, semiconductor physics, and laser technology.
The electron is about 1,836 times lighter than a proton. An electron's mass-energy equivalent (E=mc²) is 0.511 MeV.
Confusing electron mass with electron charge (e). Mass = 9.1 × 10⁻³¹ kg; charge = 1.6 × 10⁻¹⁹ C.
Key ratio: proton-to-electron mass ≈ 1,836. This ratio explains why electrons orbit nuclei rather than the reverse.



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