Convert Nanosieverts to Microsieverts (nSv to µSv)
1 nanosievert (nSv) = 0.001 microsieverts (µSv). 1 µSv = 1000 nSv. Example: 15 nSv = 15 × 0.001 = 0.015 µSv.
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1 nSv = 0.001 µSv
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk nanosievert to microsievert converter to paste a column from Excel.
How to Convert Nanosievert to Microsievert
- 1 nSv = 0.001 µSv
- 1 µSv = 1000 nSv
- Example: convert 15 nSv to µSv: 15 nSv = 15 × 0.001 µSv = 0.015 µSv
Formula
µSv = nSv ÷ 1000
Derivation from SI units:
- 1 nSv = 10⁻⁹ Sv.
- 1 µSv = 10⁻⁶ Sv.
- 1 nSv = 1 × 10⁻⁹ Sv ÷ 0.000001 Sv per µSv = 0.001 µSv
Both units are defined exactly, so the factor is exact. Nanosievert definition: nanosievert; Microsievert definition: microsievert.
Worked examples
- A reading of 150 nSv converts to 0.15 µSv.
150 nSv × 0.001 = 0.15 µSv - A value of 500 nSv is 0.5 µSv.
500 nSv × 0.001 = 0.5 µSv
Nanosievert to Microsievert conversion table
| Nanosieverts (nSv) | Microsieverts (µSv) |
|---|---|
| 10 nSv | 0.01 µSv |
| 50 nSv | 0.05 µSv |
| 100 nSv | 0.1 µSv |
| 150 nSv | 0.15 µSv |
| 200 nSv | 0.2 µSv |
| 300 nSv | 0.3 µSv |
| 500 nSv | 0.5 µSv |
| 1000 nSv | 1 µSv |
| 5000 nSv | 5 µSv |
| 10000 nSv | 10 µSv |
Where it's used
Nanosieverts are used for environmental radiation monitoring networks, while microsieverts appear in geiger counter and dosimeter readings (µSv/h). Both measure equivalent and effective radiation dose, so the conversion is a fixed factor.
Nanosievert to other equivalent dose units
| Conversion | 1 nSv equals |
|---|---|
| nanosievert to microsievert | 0.001 µSv |
| nanosievert to sievert | 1 × 10⁻⁹ Sv |
| nanosievert to millisievert | 0.000001 mSv |
| nanosievert to rem | 1 × 10⁻⁷ rem |
| nanosievert to millirem | 0.0001 mrem |
Frequently asked questions
How many microsieverts are in 1 nanosievert?
1 nSv = 0.001 µSv.
How do I convert nanosieverts to microsieverts?
Multiply the value in nSv by 0.001, or divide it by 1000. For example, 15 nSv × 0.001 = 0.015 µSv.
Is the nSv to µSv conversion exact?
Yes. Both units are defined exactly, and 1 nSv is exactly 0.001 µSv.
Sources
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures , Table 4 (becquerel, gray, sievert, lux) and Table 2 (candela).
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Convert Nanosieverts to Microsieverts (nSv to µSv). Retrieved October 25, 2026, from https://scientificconverters.com/equivalent-dose/nanosieverts-to-microsieverts/
IEEE
Scientific Converters, "Convert Nanosieverts to Microsieverts (nSv to µSv)," scientificconverters.com. Accessed: Oct. 25, 2026. [Online]. Available: https://scientificconverters.com/equivalent-dose/nanosieverts-to-microsieverts/