Radionuclides Dose Rate and Distance Calculator

This spreadsheet helps users to calculate the external dose rate from a radioactive source at a given distance, or alternatively to determine the distance required to reduce the dose rate to a specified level

Disclaimer

This tool is provided for educational and reference purposes only. It does not replace professional judgment, site-specific design, or regulatory review. Users are responsible for verifying all inputs and results and for ensuring compliance with applicable institutional and regulatory requirements.

Please refer to the Disclaimer page before downloading or using the spreadsheets or tools