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Compton Wavelength Calculator
Find the Compton wavelength of a particle from its mass.
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Compton wavelength
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Find the Compton wavelength of a particle from its mass.
Compton Wavelength Estimator
Enter your numbers below for an instant estimate.
0
💡 Tip: lambda = h / (m c).
How It Works
Key concepts behind this calculator
1
Enter Values
Fill in each field with your own numbers.
2
Calculate
Results update as you change the inputs.
3
Review
Read the breakdown and the explanation.
4
Adjust
Change values to compare scenarios.
Quick Reference Guide
Compton Quick Guide
Typical values for reference.
| Particle | Mass ratio | Rest energy MeV | Wavelength |
|---|---|---|---|
| Electron | 1 | 0.5110 | 2.4263 pm |
| Muon | 206.77 | 105.66 | 0.0117 pm |
| Proton | 1836.15 | 938.27 | 0.0013 pm |
| Half electron mass | 0.5 | 0.2555 | 4.8526 pm |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Common Questions
Compton Wavelength Calculator FAQ
Answers to common questions about this calculator.
The wavelength of a photon whose energy equals the particle rest energy.
About 2.426 picometres.
It is inversely proportional to mass.
Quantum mechanics and scattering physics.