Convert Attoseconds to Gigayears
Convert Attoseconds (as) to Gigayears (Ga) instantly and accurately.
Conversion Formula
Ga = as × 3.168873851e-35
About Attoseconds
An attosecond (as) = 10⁻¹⁸ s - the timescale of electron dynamics in atoms. The Bohr-model orbital period in hydrogen is ~152 as. Electron tunnelling through atomic potential barriers takes a few hundred as. The 2023 Nobel Prize in Physics (Agostini, Krausz, L'Huillier) honoured methods for generating sub-100 as pulses via high-harmonic generation in Ti:sapphire lasers. 1 as = 10⁻¹⁸ s = 1,000 zs.
About Gigayears
A gigayear (1 Ga) = 10⁹ yr ≈ 3.156 × 10¹⁶ s - the timescale of stellar evolution and cosmology. Universe age: 13.787 ± 0.020 Ga (Planck CMB). Sun: 4.603 Ga old; red giant in ~5 Ga. A 0.1 M☉ red dwarf lives ~10,000 Ga. Uranium-238 half-life = 4.468 Ga (used in radiometric dating). Proton decay (GUT prediction): ~10³⁴ yr = ~10²⁵ Ga. 1 Ga = 10⁹ yr.
Quick Reference Table
| Attoseconds (as) | Gigayears (Ga) |
|---|---|
| 1 as | 3.169 × 10-35 Ga |
| 2 as | 6.338 × 10-35 Ga |
| 5 as | 1.584 × 10-34 Ga |
| 10 as | 3.169 × 10-34 Ga |
| 25 as | 7.922 × 10-34 Ga |
| 50 as | 1.584 × 10-33 Ga |
| 100 as | 3.169 × 10-33 Ga |