Convert Gigacuries to Microcuries

Convert Gigacuries (GCi) to Microcuries (µCi) instantly and accurately.

Gigacuries (GCi)
Microcuries (µCi)

Conversion Formula

µCi = GCi × 1000000000000000

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.

About Microcuries

The microcurie (µCi) equals 3.7 × 10⁴ Bq = 37 kBq. Sealed sources for educational and bench-top laboratory use are licensed up to 1-10 µCi under US NRC 10 CFR 30.18; small-animal PET imaging doses of ¹⁸F in preclinical research are expressed in µCi. 1 µCi = 3.7 × 10⁴ Bq.

Quick Reference Table

Gigacuries (GCi)Microcuries (µCi)
1 GCi1 × 1015 µCi
2 GCi2 × 1015 µCi
5 GCi5 × 1015 µCi
10 GCi1 × 1016 µCi
25 GCi2.5 × 1016 µCi
50 GCi5 × 1016 µCi
100 GCi1 × 1017 µCi

→ Full Radioactive Activity Converter