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