Convert Megabecquerels to Gigabecquerels
Convert Megabecquerels (MBq) to Gigabecquerels (GBq) instantly and accurately.
Conversion Formula
GBq = MBq × 0.001
About Megabecquerels
The megabecquerel (MBq) equals 10⁶ Bq and is the standard clinical nuclear medicine unit outside the US. ⁹⁹mTc bone scans use 740 MBq; ¹⁸F-FDG PET scans use 370 MBq; ¹³¹I diagnostic thyroid scans use 185-370 MBq. European and Australian protocols specify all doses in MBq. 1 MBq = 10⁶ Bq.
About Gigabecquerels
The gigabecquerel (GBq) equals 10⁹ Bq. Therapeutic radiopharmaceuticals are dosed in GBq: ¹⁷⁷Lu-PSMA prostate cancer therapy uses 7.4 GBq per cycle; ¹³¹I thyroid cancer ablation uses 3.7-7.4 GBq; ²²³Ra-dichloride (Xofigo) bone metastasis therapy ~3-5 GBq per injection. 1 GBq = 10⁹ Bq.
Quick Reference Table
| Megabecquerels (MBq) | Gigabecquerels (GBq) |
|---|---|
| 1 MBq | 0.001 GBq |
| 2 MBq | 0.002 GBq |
| 5 MBq | 0.005 GBq |
| 10 MBq | 0.01 GBq |
| 25 MBq | 0.025 GBq |
| 50 MBq | 0.05 GBq |
| 100 MBq | 0.1 GBq |