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Both calculators run independently — change the inputs on either side to compare results.
Optics
Diffraction Grating Calculator
Find the diffraction angle for any order of light passing through a grating using the grating equation. Ideal for optics lab work, spectroscopy setups, and physics coursework.
Fill in the required fields to see your result.
Optics
Diffraction Limit Calculator
Calculate the smallest resolvable spot or feature that an optical system can distinguish, based on wavelength and aperture. Use it when designing cameras, telescopes, or microscopes where resolution is critical.
Fill in the required fields to see your result.
Key differences
| Diffraction Grating Calculator | Diffraction Limit Calculator | |
|---|---|---|
| Category | Optics | Optics |
| Inputs required | 3 | 4 |
| Result | Diffraction Angle (°) | Angular Resolution (μrad) |
| What it does | Find the diffraction angle for any order of light passing through a grating using the grating equation. Ideal for optics lab work, spectroscopy setups, and physics coursework. | Calculate the smallest resolvable spot or feature that an optical system can distinguish, based on wavelength and aperture. Use it when designing cameras, telescopes, or microscopes where resolution is critical. |