gigakelvin
Temperatureexact by definition
A gigakelvin is 10⁹ K exactly. Nuclear astrophysics lives here and has its own shorthand for it: T₉, meaning temperature in units of 10⁹ K. Silicon burning in a massive star runs near 3 GK, and core collapse pushes past 10.
| 1 | 999,999,730 |
One gigakelvin in every temperature unit
| 1.00000e+18 | nanokelvin (nK) | |
| 1.00000e+15 | microkelvin (μK) | |
| 1,000,000,000,000 | millikelvin (mK) | |
| 1,800,000,000 | degree Fahrenheit (°F) | |
| 1,800,000,000 | degree Rankine (°R) | |
| 1,000,000,000 | kelvin (K) | |
| 1,000,000,000 | degree Celsius (°C) | |
| 800,000,000 | degree Réaumur (°Ré) | |
| 1,000,000 | kilokelvin (kK) | |
| 1,000 | megakelvin (MK) | |
| 1 | gigakelvin (GK)this unit |
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