☢️ Radiologie
Calculatrices de décroissance radioactive, de dose et de blindage. · 19 calculatrices
ALARA: Time, Distance & Shielding Calculator
Calculate the radiation dose you receive from a source given dose rate, distance, time and shielding, free online.
Contrast Volume Calculator
Estimate contrast agent volume from patient weight and iodine dose, free online.
Cosmic Radiation on Flights Calculator
Estimate the radiation dose from air travel by flight hours and route type and compare it with chest X-rays and background radiation, free online.
CT Effective Dose Calculator
Estimate effective radiation dose from a CT scan's dose-length product, free online.
Decay Constant Calculator
Calculate the decay constant of a radioactive isotope from its half-life, free online.
Dose Unit Converter Calculator
Convert radiation dose between gray, rad, sievert and rem, free online.
Equivalent & Effective Dose Calculator
Convert absorbed dose in grays to equivalent dose in sieverts using radiation weighting, and to effective dose using an organ weighting factor, free online.
Half-Life / Radioactive Decay Calculator
Calculate the remaining quantity of a radioactive substance after a given time, free online.
HVL / TVL Shielding Attenuation Calculator
Calculate the transmission through shielding from its half-value layer, or the thickness needed for a given reduction, free online.
Inverse Square Law (Radiation) Calculator
Calculate how radiation dose rate falls off with distance, free online.
Mo-99/Tc-99m Generator Yield Calculator
Predict the Tc-99m activity available from a molybdenum-99 generator at any time after the last elution, free online.
PET Standardised Uptake Value (SUV) Calculator
Calculate the SUV for a PET scan from injected activity, patient weight and tissue concentration, with decay correction, free online.
Radiation Dose Calculator
Calculate total radiation dose from dose rate and exposure time, free online.
Radiation Dose Comparison Calculator
Put a radiation dose in context with everyday equivalents, free online.
Radiation Shielding (Half-Value Layer) Calculator
Calculate radiation intensity after passing through a shield using half-value layer thickness, free online.
Radioactivity Unit Converter (Bq ↔ Ci)
Convert radioactivity between becquerels and curies, free online.
Radioisotope Decay Calculator (Tc-99m, F-18…) Calculator
Calculate the remaining activity of a medical or lab radioisotope after a time, with the decay-correction factor, free online.
Radon Exposure & Dose Calculator
Estimate the annual effective dose from indoor radon based on concentration, occupancy and equilibrium factor, free online.
X-Ray Technique (mAs, kVp & Distance) Calculator
Adjust X-ray mAs for a change in distance or kVp using the inverse square law and the 15% rule, free online.