Mass Defect
Calculate Mass Defect instantly with the exact formula and a worked example.
Mass Defect
Number of protons Z
Mass number A
Atomic mass of the nuclideu
Mass defect
0.030377u
Number of neutrons N
2
Binding energy
28.296MeV
Binding energy per nucleon
7.074MeV
More about: Mass Defect
What it calculates
The “Mass Defect” calculator computes Mass defect in u from 3 parameters: number of protons z, mass number a, atomic mass of the nuclide (u).
A standard physics formula used in educational and engineering tasks.
Example calculation
With parameters Number of protons Z = 2, Mass number A = 4, Atomic mass of the nuclide = 4 u the result is 0.0304 u.
How to use
- Enter number of protons z, mass number a and atomic mass of the nuclide — each field above is adjustable with a slider.
- Mass defect (u) is calculated automatically as you type.
- Check the worked example below to see the formula applied to real numbers.
- Copy the result or bookmark this calculator.
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FAQ
How is Mass Defect calculated?
The Mass Defect calculator computes Mass defect (in u) from number of protons z, mass number a, atomic mass of the nuclide. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Mass Defect calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.
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