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Radiation Converter

Convert between sievert, rem, gray, rad, becquerel, and curie.

Last updated: May 18, 2026 By KAMP Inc. / UnitOwl

Accuracy verified. Conversions on this page are calculated against ISO 80000 and NIST standards and reviewed for correctness.

Amount

From

To

Result

1,000 mSv

1 Sv = 1,000 mSv

Popular Radiation Conversions

Sievert to Rem Rem to Sievert Gray to Rad Millisievert to Millirem

Further Reading

IAEA Safety Glossary EPA — Radiation Terms and Units

Sources & References

NIST — Units and Conversion Factors — Official unit conversion factors from the National Institute of Standards and Technology.
BIPM — The International System of Units (SI) — International SI unit definitions from the International Bureau of Weights and Measures.