Gigasievert is 1000000000 sievert units.
Gigasievert to Rem
Convert Gigasievert (GSv) to Rem (rem) instantly. Free online radiation converter with formulas, tables and examples.
Reserved for a responsive leaderboard above the conversion details.
Professional calculator style
World-scale conversion engine
Converter
Radiation Converter
Convert radioactivity, absorbed dose, and equivalent dose units by compatible radiation family.
Rem is 0.01 sievert.
rem = GSv × 1e+11
Results update instantly for Gigasievert to Rem conversions.
Reserved above the conversion cards and below the converter.
Formula
1 Gigasievert = 1e+11 Rem
rem = GSv × 1e+11
GSv = rem ÷ 1e+11
Conversion table
| 1 GSv | 1e+11 rem |
| 2 GSv | 2e+11 rem |
| 5 GSv | 5e+11 rem |
| 10 GSv | 1e+12 rem |
| 20 GSv | 2e+12 rem |
| 50 GSv | 5e+12 rem |
| 100 GSv | 1e+13 rem |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many Rems are in one Gigasievert?
One Gigasievert equals 1e+11 Rems.
How do I convert Gigasievert to Rem?
Multiply the number of Gigasieverts by 1e+11 to get Rems. To go the other way, multiply Rems by 1e-11 (or divide by 1e+11) to get Gigasieverts.
Is this conversion exact?
Yes. This conversion uses the exact defined relationship between Gigasievert and Rem, so the result shown is mathematically precise (rounded only for display).
When is Gigasievert to Rem conversion commonly used?
It is commonly used in nuclear medicine, radiation safety, health physics, and scientific research involving radioactivity and radiation dose.
Reserved between the FAQ and the article so the page stays balanced.
About this conversion
Gigasievert and Rem are units used in the radiation family of measurements. Both units measure equivalent radiation dose (biological risk-weighted dose). This converter uses the precise relationship 1 Gigasievert = 1e+11 Rems (equivalently 1 Rem = 1e-11 Gigasieverts), so results stay accurate for nuclear medicine, radiation safety, health physics, and scientific research.