Convert Gigayears to Femtoseconds
Convert Gigayears (Ga) to Femtoseconds (fs) instantly and accurately.
Conversion Formula
fs = Ga × 3.155695200e+31
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.
About Femtoseconds
A femtosecond (fs) = 10⁻¹⁵ s - the timescale of molecular vibrations and chemical reactions. Bond stretching: 10-200 fs; bending: 50-500 fs. Ahmed Zewail won the 1999 Nobel Prize in Chemistry for femtochemistry, capturing transition states in real time. Ti:sapphire lasers produce 10-100 fs pulses; LASIK uses 10-100 fs for precise corneal cuts. At 800 nm, one optical cycle = 2.67 fs. Light travels 300 nm in 1 fs. 1 fs = 10⁻¹⁵ s.
Quick Reference Table
| Gigayears (Ga) | Femtoseconds (fs) |
|---|---|
| 1 Ga | 3.156 × 1031 fs |
| 2 Ga | 6.311 × 1031 fs |
| 5 Ga | 1.578 × 1032 fs |
| 10 Ga | 3.156 × 1032 fs |
| 25 Ga | 7.889 × 1032 fs |
| 50 Ga | 1.578 × 1033 fs |
| 100 Ga | 3.156 × 1033 fs |