Mass Absorption Coefficient Calculator


Calculating the mass absorption coefficient is crucial in various scientific fields, especially in understanding the interaction of materials with radiation. This coefficient represents the probability of a material absorbing photons at a given energy. To simplify this calculation, we’ll provide a convenient online calculator.

How to Use

Simply input the necessary values into the designated fields and hit the “Calculate” button to obtain the mass absorption coefficient.


The formula for calculating the mass absorption coefficient (μ/ρ) is:


  • I0​ is the initial intensity of radiation,
  • I is the intensity of radiation after passing through a material,
  • x is the thickness of the material.

Example Solve

Let’s say we have an initial intensity (I0​) of 1000 and the intensity (I) after passing through the material is 500. If the thickness (x) of the material is 2, then the mass absorption coefficient would be:



Q: What are the units of the mass absorption coefficient?
A: The mass absorption coefficient is typically measured in units of cm²/g.

Q: Can the mass absorption coefficient be negative?
A: No, the mass absorption coefficient cannot be negative as it represents the absorption probability.

Q: How accurate is this calculator?
A: The calculator provides accurate results based on the input values and the given formula.


Calculating the mass absorption coefficient is essential for various scientific applications, and using an online calculator simplifies this process significantly. By inputting the relevant values, researchers can quickly obtain accurate results, aiding in their experiments and analyses.

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