Use this free, accurate gray (gy) to sievert (sv) calculator to convert between Gray (Gy) (Gy) and Sievert (Sv) (Sv). Includes live instant results, complete mathematical formulas, conversion tables, and step-by-step examples.
1 Sievert
1 Gy is equal to 1 Sv.
Sv = Gy
radiation Converters
To convert from Gray (Gy) to Sievert (Sv), multiply the value in Gray (Gy) by 1 (or use the formula: Sv = Gy × 1).
Take your initial measurement in Gray (Gy) (Gy). For instance, let's convert 1 Gy.
Multiply by the standard conversion factor (1).
The final converted measurement equals 1 Sievert (Sv) (Sv).
Compare standard reference values and common conversion benchmarks.
| Gray (Gy) (Gy) | Sievert (Sv) (Sv) | Action |
|---|---|---|
| 1 Gy | 1 Sv | |
| 2 Gy | 2 Sv | |
| 3 Gy | 3 Sv | |
| 5 Gy | 5 Sv | |
| 10 Gy | 10 Sv | |
| 15 Gy | 15 Sv | |
| 20 Gy | 20 Sv | |
| 25 Gy | 25 Sv | |
| 50 Gy | 50 Sv | |
| 75 Gy | 75 Sv | |
| 100 Gy | 100 Sv | |
| 250 Gy | 250 Sv | |
| 500 Gy | 500 Sv | |
| 1000 Gy | 1000 Sv |
Official standards, measurement systems, and real-world everyday applications.
The gray is the SI unit of absorbed ionizing radiation dose, defined as the absorption of 1 joule of radiation energy per kilogram of matter (1 J/kg).
Common Practical Uses
The sievert is the SI derived unit of ionizing radiation dose equivalent, measuring the biological effect of radiation (1 J/kg).
Common Practical Uses
Calculate from Sievert (Sv) (Sv) back to Gray (Gy) (Gy).
Frequently used unit conversions in this category:
Explore other measurement and calculation tools:
There are 1 sieverts in 1 grays. Exactly 1 Gy is equal to 1 Sv.
The conversion formula is: Sievert (Sv) = Sv = Gy. Applying this to 1 Gy gives: 1 × 1 = 1 Sv.
To convert in reverse from sieverts to grays, multiply by the inverse factor: 1 Sv = 1 Gy. Alternatively, divide your Sievert (Sv) amount by 1.
Because Gray (Gy) and Sievert (Sv) have nearly a 1:1 ratio, the values are approximately identical for everyday estimates.
Gray (Gy) (Gy) belongs to the Metric (SI) system, commonly used in Cancer radiation oncology treatment dosages (e.g. 50-70 Gy), Industrial radiation sterilization. In comparison, Sievert (Sv) (Sv) is part of the Metric (SI) system, frequently applied in Radiation emergency dosimetry, Severe acute radiation sickness thresholds, Radiotherapy total planning.
Key milestones include: 1 Gy = 1 Sv, 5 Gy = 5 Sv, 10 Gy = 10 Sv, 50 Gy = 50 Sv, and 100 Gy = 100 Sv.