Home Back

Radpro Calculator

Radiation Dose Equation:

\[ Dose (mSv) = Activity (Bq) \times Time (hours) \times Factor \]

Bq
hours
mSv/Bq·h

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is Radiation Dose Calculation?

The radiation dose calculation estimates the effective dose received from exposure to radioactive materials. It's essential for radiation protection, safety assessments, and regulatory compliance.

2. How Does the Calculator Work?

The calculator uses the basic dose equation:

\[ Dose (mSv) = Activity (Bq) \times Time (hours) \times Factor (mSv/Bq·h) \]

Where:

Explanation: The equation calculates the effective dose based on the quantity of radioactive material, duration of exposure, and the specific radiation properties of the nuclide.

3. Importance of Dose Calculation

Details: Accurate dose calculation is crucial for radiation protection programs, ensuring worker and public safety, and demonstrating compliance with regulatory dose limits.

4. Using the Calculator

Tips: Enter activity in Bq, time in hours, and the appropriate dose conversion factor. All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: Where can I find dose conversion factors?
A: Dose conversion factors are available in radiation protection references like ICRP publications or regulatory guides specific to each radionuclide.

Q2: What are typical dose limits?
A: For radiation workers, the typical annual limit is 20 mSv averaged over 5 years (with no single year exceeding 50 mSv). For public, it's 1 mSv/year.

Q3: How accurate is this calculation?
A: This provides a basic estimate. More sophisticated models may be needed for complex exposure scenarios or specific geometries.

Q4: Does this account for different radiation types?
A: The conversion factor incorporates radiation type (alpha, beta, gamma) and energy, as well as biological effectiveness.

Q5: Can I use this for internal exposure?
A: This calculator is for external exposure. Internal dose calculations require more complex biokinetic models.

Radpro Calculator© - All Rights Reserved 2025