Compare calculators
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
Interference Fringe Calculator
Compute the fringe spacing in a Young's double-slit or similar two-beam interference experiment. Useful for optics labs, physics coursework, and verifying experimental setups.
Fill in the required fields to see your result.
Key differences
| Diffraction Grating Calculator | Interference Fringe Calculator | |
|---|---|---|
| Category | Optics | Optics |
| Inputs required | 3 | 3 |
| Result | Diffraction Angle (°) | Fringe Spacing (mm) |
| 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. | Compute the fringe spacing in a Young's double-slit or similar two-beam interference experiment. Useful for optics labs, physics coursework, and verifying experimental setups. |