per millimeter
Wavenumberexact by definition
The reciprocal millimetre is 10³ m⁻¹. It is the unit of spatial frequency in imaging and of grating rulings, and it is the natural unit whenever a periodic structure has a pitch measured in millimetres or fractions of one.
| 1 | 1,000 |
One per millimeter in every wavenumber unit
| 1,000,000 | per kilometer (km⁻¹) | |
| 1,000 | per meter (m⁻¹) | |
| 304.8 | per foot (ft⁻¹) | |
| 25.4 | per inch (in⁻¹) | |
| 10 | per centimeter (kayser) (cm⁻¹) | |
| 1 | per millimeter (mm⁻¹)this unit | |
| 1 | line pairs per millimeter (lp/mm) | |
| 0.001 | per micrometer (μm⁻¹) | |
| 0.000001 | per nanometer (nm⁻¹) | |
| 1.00000e-07 | per angstrom (Å⁻¹) |
Solvers that use wavenumber