Health Physics & Dosimetry

Assess radiation doses from medical exams, workplace exposure, or environmental sources. Track annual limits and estimate health risks. Aids in compliance and safety planning.

9Formulas

All levels Difficulty

Updated Jul 2026

← All Nuclear Engineering (96) Health Physics & Dosimetry (9)

Fundamental

External Radiation Dose Calculator

D = D˙ × t × (1 - shielding factor)

Fundamental

Internal Radiation Dose Calculator

D = A × (committed effective dose per unit activity)

Fundamental

CT Scan Radiation Dose Calculator

D = CTDI_vol × (scan length)

Fundamental

Diagnostic X-Ray Dose Calculator

D = K × (kVp)^2 × (mAs) / (d^2)

Fundamental

Background Radiation Calculator

D_bg = D_cosmic + D_terrestrial + D_internal + D_medical

Fundamental

Radiation Risk Calculator

Risk = E × 0.05 (for cancer), or 0.001 (for heritable)

Fundamental

Equivalent Dose Calculator

H = w_R D

Fundamental

Collective Dose Calculator

S = Σ E_i N_i

Fundamental

Effective Dose Calculator

E = Σ w_T H_T