Sieverts to Rems Converter
Quick answer: To convert sieverts to rems, multiply by 100. For example, 10 Sv is 1,000 rem. One sievert equals 100 rem.
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Use the Sieverts to Rems Converter
Sieverts to Rems formula and what each symbol means
rem = Sv × 100
| Symbol | Meaning |
|---|---|
| Sv | Sievert |
| rem | Rem |
Sieverts to Rems examples
1 Sv
1 Sv × 100 = 100 rem.
10 Sv
10 Sv × 100 = 1,000 rem.
100 Sv
100 Sv × 100 = 10,000 rem.
Sieverts compared with Rems
One Sv is 100 times as large as one rem, so your number gets bigger when you convert sieverts to rems and smaller when you convert back. If the answer is not larger than what you typed, you divided instead of multiplying.
About sieverts and rems
Sievert (Sv): The sievert, the SI unit of dose equivalent. Rem (rem): The rem, exactly 0.01 Sv.
How to calculate Sieverts to Rems step by step
- Enter the value in Sv (the starting unit).
- Multiply by 100, because 1 Sv = 100 rem.
- The product is the value in rem. To go back, divide by 100 or multiply by 0.01.
Popular radiation dose equivalent conversions
How to read your Sieverts to Rems result
Natural background radiation averages roughly 2 to 3 mSv per year worldwide.
| SIEVERTS | REMS |
|---|---|
| 1 | 100 |
| 2 | 200 |
| 5 | 500 |
| 10 | 1,000 |
| 20 | 2,000 |
| 50 | 5,000 |
| 100 | 10,000 |
| 1,000 | 100,000 |
Rems to Sieverts: quick table
| REMS | SIEVERTS |
|---|---|
| 1 | 0.01 |
| 5 | 0.05 |
| 10 | 0.1 |
| 25 | 0.25 |
| 50 | 0.5 |
| 100 | 1 |
| 250 | 2.5 |
| 500 | 5 |
Common mistakes when calculating Sieverts to Rems
- Confusing the sievert (biological effect) with the gray (energy absorbed).
- Dividing when you should multiply: from Sv to rem multiply by 100; from rem to Sv divide by 100.
Sieverts to Rems FAQ
How many rem are in 1 Sv?
1 Sv equals 100 rem.
How many Sv are in 1 rem?
1 rem equals 0.01 Sv.
Is 1 Sv = 100 rem an exact conversion?
The factor is shown rounded to 7 significant figures (100). The calculator above uses more digits.
What is a rem (rem)?
The rem, exactly 0.01 Sv.
How can I estimate sieverts to rems in my head?
One Sv is 100 times as large as one rem, so your number gets bigger when you convert sieverts to rems and smaller when you convert back. If the answer is not larger than what you typed, you divided instead of multiplying.
What is 60 Sv in rems?
60 Sv = 6,000 rem (since 60 × 100).
What is 250 Sv in rems?
250 Sv = 25,000 rem (since 250 × 100).
What is 7 Sv in rems?
7 Sv = 700 rem (since 7 × 100).
How many decimals should I keep when converting Sv to rem?
Match the precision of your original measurement. For example, 1,000 rem rounds to 1,000 rem at 3 significant figures; keep more digits only for engineering or scientific work.
More in Radiation Dose Equivalent converters
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Method, review and disclaimer
Edited by: Hemant Kumar and Anjita Rai, founders of ToolsVault (SEO and content professional, not a licensed adviser). Method: this tool runs in your browser using the formula shown on this page; the numbers you enter are not sent to our servers. Sources: NIST: SI units and derived units, NIST SP 811, Appendix B.8: conversion factors