Home Back

Radioactivity Unit Converter

Radioactivity Formula

1. What is the Radioactivity Unit Converter?

Definition: This converter transforms radioactivity values between various units. Radioactivity measures the rate of radioactive decay in a substance, typically in becquerel (Bq).

Purpose: Useful in nuclear physics, radiology, environmental science, and health physics for converting units in measurements of radioactive sources and decay rates.

2. How Does the Converter Work?

The converter uses conversion factors relative to an arbitrary base (consistent with provided scaling):

  • Input value is converted to the base by dividing by the "From" unit's factor.
  • The result is converted to the "To" unit by multiplying by the "To" unit's factor.
Supported units:
  • becquerel [Bq] (Factor: 10000000000000000000000)
  • terabecquerel [TBq] (Factor: 10000000000)
  • gigabecquerel [GBq] (Factor: 10000000000000)
  • megabecquerel [MBq] (Factor: 10000000000000000)
  • kilobecquerel [kBq] (Factor: 10000000000000000000)
  • millibecquerel [mBq] (Factor: 10000000000000000905969664)
  • curie [Ci] (Factor: 270270270270.26999)
  • kilocurie [kCi] (Factor: 270270270.27027)
  • millicurie [mCi] (Factor: 270270270270270)
  • microcurie [µCi] (Factor: 270270270270270016)
  • nanocurie [nCi] (Factor: 270270270270270013440)
  • picocurie [pCi] (Factor: 270270270270269984604160)
  • rutherford (Factor: 10000000000000000)
  • one/second [1/s] (Factor: 10000000000000000000000)
  • disintegrations/second (Factor: 10000000000000000000000)
  • disintegrations/minute (Factor: 600000000000000016777216)

Steps:

  • Enter the value to convert.
  • Select the "From" unit (the unit of the input value).
  • Select the "To" unit (the desired output unit).
  • Submit to perform the conversion.
  • Results are formatted to 5 decimal places, with scientific notation for values less than 0.001.

3. Importance of Radioactivity Conversion

Radioactivity conversion is critical for:

  • Nuclear Medicine: Dosing radiopharmaceuticals.
  • Environmental Monitoring: Assessing contamination levels.
  • Radiation Protection: Ensuring safety standards.

4. Using the Converter

Example 1: Convert 1 terabecquerel to becquerel:

  • Input: 1
  • From Unit: terabecquerel [TBq] (factor: 10000000000)
  • To Unit: becquerel [Bq] (factor: 1.0E+22)
  • Calculation: \( 1 / 10000000000 \times 1.0E+22 = 1.0E+12 \)

Result: 1.0E+12 becquerel

Example 2: Convert 1 curie to becquerel:

  • Input: 1
  • From Unit: curie [Ci] (factor: 270270270270.27)
  • To Unit: becquerel [Bq] (factor: 1.0E+22)
  • Calculation: \( 1 / 270270270270.27 \times 1.0E+22 \approx 3.7E+10 \)

Result: 3.7E+10 becquerel

5. Frequently Asked Questions (FAQ)

Q: What is radioactivity?
A: Radioactivity is the process by which unstable atomic nuclei emit particles or radiation, measured as the number of decays per unit time.

Q: Why are there different units for radioactivity?
A: Units like becquerel (SI) and curie (historical) accommodate different scales, from laboratory samples to environmental traces.

Q: How are becquerel and curie related?
A: 1 curie (Ci) equals 3.7 × 10¹⁰ becquerel (Bq), based on the activity of 1 gram of radium-226.

Q: What is a rutherford?
A: A rutherford is an older unit equal to 10⁶ disintegrations per second, or 1 MBq.

Q: Can this converter be used for all radioactivity measurements?
A: Yes, it converts between common units for decay rates in various applications.

Radioactivity Unit Converter@ - All Rights Reserved 2025