Braggs Law Calculator
Diffraction angle or lattice spacing from Bragg law, n lambda = 2 d sin(theta).
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Diffraction angle or lattice spacing from Bragg law, n lambda = 2 d sin(theta).
Braggs Law Estimator
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Braggs Quick Guide
Typical values for reference.
| Wavelength A | d A | n | Theta deg |
|---|---|---|---|
| 1.5406 | 1 | 1 | 50.381 deg |
| 1.5406 | 1.5 | 1 | 30.899 deg |
| 1.5406 | 2 | 1 | 22.653 deg |
| 1.5406 | 3 | 1 | 14.878 deg |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Braggs Law Calculator FAQ
Answers to common questions about this calculator.
The condition for constructive interference of X-rays on crystal planes.
Twice the Bragg angle, the angle plotted in XRD patterns.
theta = arcsin(n lambda / (2 d)).
It is an estimate based on the inputs you enter. Check real quotes, labels or official guidance for important decisions.