Convert Microcuries to Gigacuries

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

Microcuries (µCi)
Gigacuries (GCi)

Conversion Formula

GCi = µCi × 1.000000000e-15

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.

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

Microcuries (µCi)Gigacuries (GCi)
1 µCi1 × 10-15 GCi
2 µCi2 × 10-15 GCi
5 µCi5 × 10-15 GCi
10 µCi1 × 10-14 GCi
25 µCi2.5 × 10-14 GCi
50 µCi5 × 10-14 GCi
100 µCi1 × 10-13 GCi

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