Radiation Dose

Convert sievert to rem

1 sievert equals 100 rems. Enter a value below to convert instantly.

1 Sv
100 rem

Multiply the number of sieverts by 100 to get rems. How this is calculated

Need the other direction? Convert rem to sievert →

Formula

Multiply the number of sieverts by 100 to get rems.

Step by step

  1. Start with 1 Sv.
  2. Multiply by the conversion factor 100.
  3. 1 × 100 = 100 rem.

Sieverts to Rems conversion table

Conversion table from Sieverts to Rems
Sieverts (Sv) Rems (rem)
1 100
2 200
5 500
10 1,000
20 2,000
50 5,000
100 10,000

Convert Sievert to other radiation dose units

1 Sv expressed in every other radiation dose unit on this site.

  • Gray Gy 1
  • Kilogray kGy 0.001
  • Milligray mGy 1,000
  • Microgray µGy 1,000,000
  • Rad rad 100
  • Millirad mrad 100,000
  • Joule per Kilogram J/kg 1
  • Joule per Centigram J/cg 0.00001
  • Joule per Milligram J/mg 0.000001
  • Megagray MGy 0.000001
  • Dekagray daGy 0.1
  • Decigray dGy 10
  • Exagray EGy 1e-18
  • Petagray PGy 1e-15
  • Teragray TGy 1e-12
  • Gigagray GGy 1e-9
  • Hectogray hGy 0.01
  • Nanogray nGy 1,000,000,000
  • Picogray pGy 1,000,000,000,000
  • Femtogray fGy 1,000,000,000,000,000
  • Attogray aGy 1e+18
  • Joule per Gram J/g 0.001
  • Erg per Gram erg/g 10,000
  • Millisievert mSv 1,000
  • Microsievert µSv 1,000,000
  • Nanosievert nSv 1,000,000,000
  • Rem rem 100
  • Millirem mrem 100,000

About the sievert

The sievert (Sv) is a SI unit of radiation dose. SI equivalent dose — absorbed dose scaled by a radiation weighting factor.

About the rem

The rem (rem) is a Other unit of radiation dose.

Where this conversion is used

Converting sieverts to rems comes up when medical imaging, occupational safety, and radiotherapy planning. Grays measure absorbed energy while sieverts weight it for biological harm; they match one-for-one only for X-rays, gamma, and beta radiation.

Related conversions

Frequently asked questions

How many rems are in a sievert?

One sievert equals 100 rems.

How do you convert sieverts to rems?

Multiply the number of sieverts by 100 to get rems.

What is 1 rem in sieverts?

One rem equals 0.01 sieverts.

When would I convert sieverts to rems?

This conversion is common when medical imaging, occupational safety, and radiotherapy planning.

Conversion factors are based on internationally agreed unit definitions. See our methodology and sources for details on how these values are verified.