Convert Megacuries to Gigacuries
Convert Megacuries (MCi) to Gigacuries (GCi) instantly and accurately.
Conversion Formula
GCi = MCi × 0.001
About Megacuries
The megacurie (MCi) equals 3.7 × 10¹⁶ Bq. Total radioactive inventory of a large nuclear power reactor core at shutdown is ~2000-10000 MCi; US atmospheric nuclear weapons tests released ~12000 MCi of ¹³¹I globally; high-level nuclear waste repositories are characterised in MCi. 1 MCi = 3.7 × 10¹⁶ Bq.
About Gigacuries
The gigacurie (GCi) equals 3.7 × 10¹⁹ Bq. The total fission product inventory of a 1 GWe nuclear power reactor at equilibrium is ~0.5 GCi; global spent fuel inventories worldwide exceed 10 GCi; total reactor-produced tritium in the world's oceans is estimated at ~1 GCi. 1 GCi = 3.7 × 10¹⁹ Bq.
Quick Reference Table
| Megacuries (MCi) | Gigacuries (GCi) |
|---|---|
| 1 MCi | 0.001 GCi |
| 2 MCi | 0.002 GCi |
| 5 MCi | 0.005 GCi |
| 10 MCi | 0.01 GCi |
| 25 MCi | 0.025 GCi |
| 50 MCi | 0.05 GCi |
| 100 MCi | 0.1 GCi |