Sv to mSv
1 Sv (Sv) equals 1,000 mSv (mSv). Type a value into either box below for an instant two-way conversion. For other units, use the full unit converter.
Chinese version: 希沃特转毫希沃特
Conversion factor
1 Sv = 1,000 mSv
Reverse: 1 mSv = 0.001 Sv
Sv to mSv converter
Sv（Sv）
mSv（mSv）
Sv to mSv conversion table
| Sv | mSv | Detail |
|---|---|---|
| 0.001 | 1 | 0.001 Sv to mSv |
| 0.01 | 10 | 0.01 Sv to mSv |
| 0.1 | 100 | 0.1 Sv to mSv |
| 1 | 1,000 | 1 Sv to mSv |
How to convert
To convert Sv to mSv, multiply: mSv = Sv × 1,000
To convert mSv to Sv, divide: Sv = mSv ÷ 1,000 (equivalently × 0.001).
Example: 1 Sv × 1,000 = 1,000 mSv. The factor is derived from the international definition of each unit; results are shown to 4 significant figures.
Frequently asked questions
1 Sv = 1,000 mSv. The formula is: value in Sv × 1,000 = value in mSv. Use the converter above to convert any value instantly.
1 mSv = 0.001 Sv. To convert back, divide the mSv value by 1,000 (or multiply by 0.001).
mSv = Sv × 1,000; conversely Sv = mSv ÷ 1,000. For example, 1 Sv × 1,000 = 1,000 mSv. The factor comes from the international definition of the units.
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Disclaimer: conversion factors are derived from international unit definitions and results are for reference only. For trade settlement, engineering or legal documents, follow the contract or official metrology standards.