per foot
Wavenumberexact by definition
The reciprocal foot is exactly 1/0.3048 m⁻¹, about 3.281 m⁻¹. It appears as an attenuation or decay constant in American engineering practice, wherever an exponential falls off over a distance stated in feet.
| 1 | 3.2808399 |
One per foot in every wavenumber unit
| 3,280.84 | per kilometer (km⁻¹) | |
| 3.28084 | per meter (m⁻¹) | |
| 1 | per foot (ft⁻¹)this unit | |
| 0.0833333 | per inch (in⁻¹) | |
| 0.0328084 | per centimeter (kayser) (cm⁻¹) | |
| 0.00328084 | per millimeter (mm⁻¹) | |
| 0.00328084 | line pairs per millimeter (lp/mm) | |
| 0.00000328084 | per micrometer (μm⁻¹) | |
| 3.28084e-09 | per nanometer (nm⁻¹) | |
| 3.28084e-10 | per angstrom (Å⁻¹) |
Solvers that use wavenumber