Radioactivity
dpstoMBq
Convert disintegrations per second (dps) to megabecquerels (MBq).
Factor1 dps = 1e-6 MBq
Converter
dps
Accepts numbers or expressions, e.g. 150 + 14.7
Result
MBq
Rendered to 6 significant figures.
Formula
Formula
MBq = dps × 1e-6
Multiply any value in disintegrations per second by 1e-6 to obtain the value in megabecquerels.
Worked example
Convert 1.00000e+6 dps to MBq.
- 01Start with 1.00000e+6 dps.
- 02Multiply by the conversion factor: 1.00000e+6 × 1e-6 = 1 MBq.
Result1.00000e+6 dps = 1 MBq
Conversion table
| dps | MBq |
|---|---|
| 1 | 1e-6 |
| 2 | 2e-6 |
| 5 | 5e-6 |
| 10 | 1e-5 |
| 20 | 2e-5 |
| 50 | 5e-5 |
| 100 | 0.0001 |
| 200 | 0.0002 |
| 500 | 0.0005 |
| 1000 | 0.001 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from dps to MBq?
1 dps equals 1e-6 MBq. To convert, multiply the value in disintegrations per second by 1e-6.
How do I convert 1 dps to MBq?
1 dps = 1e-6 MBq. For any value, multiply by 1e-6.
How do I convert MBq back to dps?
Divide by the same factor — or equivalently, multiply by 1000000. So 1 MBq = 1.00000e+6 dps.
When would I need to convert disintegration per second to megabecquerel?
Radioactivity (activity) conversions between dps and MBq are routine in health physics, nuclear medicine ordering, environmental monitoring, radiopharmacy and reactor/accelerator-source documentation. The becquerel (Bq) is the SI unit; the curie (Ci) is the legacy unit (1 Ci ≡ 3.7×10¹⁰ Bq exactly). This category is strictly activity (decays per second) — it does NOT cover absorbed dose (Gy, rad), dose equivalent (Sv, rem), exposure or dose rate, all of which are different physical quantities and live in separate categories.
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).