Radiation Shielding Calculator

Calculate radiation dose reduction from shielding material type, thickness, and solar activity level.

Mission duration (days)

Material type (1-4)

Shield thickness (cm)

Solar activity (1-3)

Tab to move between fields

Mission dose (mSv)

Dose reduction (%)75%

% of career limit9%

Shielded rate (mSv/day)0.3

Shield mass (kg/m²)97

Unshielded dose (mSv)216

Total Dose Sv0.05

How to Use This Calculator

Enter the mission destination (LEO, lunar surface, deep space) to set the baseline radiation environment.
Input the habitat wall material and thickness in g/cm².
Set the mission duration in days.
Review the estimated absorbed dose in mSv and comparison to NASA career limits (600 mSv for age 45+).
Increase shielding thickness or use water walls to reduce dose for long-duration deep space missions.

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