Wavenumber converter
10 units, SI unit m⁻¹. Every conversion runs through the SI base value, so round-trips are exact.
1 cm⁻¹ = 100 m⁻¹
1 cm⁻¹ in every wavenumber unit
| per kilometer | 100,000 km⁻¹ |
| per meter | 100 m⁻¹ |
| per foot | 30.48 ft⁻¹ |
| per inch | 2.54 in⁻¹ |
| per centimeter (kayser) | 1 cm⁻¹ |
| per millimeter | 0.1 mm⁻¹ |
| line pairs per millimeter | 0.1 lp/mm |
| per micrometer | 0.0001 μm⁻¹ |
| per nanometer | 1.0000e-07 nm⁻¹ |
| per angstrom | 1.0000e-08 Å⁻¹ |
One per meter in every unit
| per kilometer (km⁻¹) | 1,000 km⁻¹ |
| per meter (m⁻¹) | 1 m⁻¹ |
| per foot (ft⁻¹) | 0.3048 ft⁻¹ |
| per inch (in⁻¹) | 0.0254 in⁻¹ |
| per centimeter (kayser) (cm⁻¹) | 0.01 cm⁻¹ |
| per millimeter (mm⁻¹) | 0.001 mm⁻¹ |
| line pairs per millimeter (lp/mm) | 0.001 lp/mm |
| per micrometer (μm⁻¹) | 0.000001 μm⁻¹ |
| per nanometer (nm⁻¹) | 1.0000000e-09 nm⁻¹ |
| per angstrom (Å⁻¹) | 1.0000000e-10 Å⁻¹ |