Convert Nanocuries to Megacuries

Convert Nanocuries (nCi) to Megacuries (MCi) instantly and accurately.

Nanocuries (nCi)
Megacuries (MCi)

Conversion Formula

MCi = nCi × 1.000000000e-15

About Nanocuries

The nanocurie (nCi) equals 37 Bq. Sealed radioactive sources in laboratory instruments (electron-capture detectors in GC, ionisation chambers) are licensed in nCi; nCi is the working unit on US NRC licence forms and instrument calibration certificates for low-level sources. 1 nCi = 37 Bq = 3.7 × 10⁻⁸ Ci.

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.

Quick Reference Table

Nanocuries (nCi)Megacuries (MCi)
1 nCi1 × 10-15 MCi
2 nCi2 × 10-15 MCi
5 nCi5 × 10-15 MCi
10 nCi1 × 10-14 MCi
25 nCi2.5 × 10-14 MCi
50 nCi5 × 10-14 MCi
100 nCi1 × 10-13 MCi

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