// multi-utility computation suite · offline · instant · precise
┌──────────────────────────┐
│ [c] calcalyst_ │
│ computation suite │
└──────────────────────────┘
// select a module to initialize
/ search↵ open firstesc close
// adsenseEMPTY_LEADER_SLOT728×90
// adsenseMOBILE_ANCHOR_SLOT320×50
// keyboard_shortcuts
/focus search
↑↓navigate module list
Enter
open first result from search
open highlighted
compute when module is open
compute when focused in a field
Escclose module · clear selection
⌫
sci.radiation-dose-inverse-square Calculator
Calculates radiation dose rate from a point source using the inverse square law: dose rate = Γ × A / d², where Γ is the specific dose rate constant. At 1 m from a 1 GBq ⁶⁰Co source (Γ = 0.351 µSv/h per MBq at 1 m), dose rate = 351 µSv/h — doubling distance reduces this to 88 µSv/h.
Inputs
Dose Rate Ref Msv H
Separation between two points or total path length. Check that units are consistent throughout the calculation.
D Ref M
Separation between two points or total path length. Check that units are consistent throughout the calculation.
D Target M
Separation between two points or total path length. Check that units are consistent throughout the calculation.
T H
Duration of the process. Make sure units match the rate inputs (seconds, minutes, or hours).
Results
dose rate at distance d (mSv/h)
Radiation dose received per unit time (Gy/hr or Sv/hr). Determines required shielding and exposure time limits.
total dose in t hours (mSv)
The result expressed in hours. Divide by 24 to convert to days.
fraction of annual limit (50 mSv)
The result expressed on a per-year basis.
D(d) = D(d_ref)·(d_ref/d)²
Reference formula or conversion factor shown for context.
shielding note
Supplementary information explaining an assumption, caveat, or important context for interpreting the result.
public dose limit
Reference formula or conversion factor shown for context.