Interactive tools for antenna design, wave propagation, and coordinate transformations.
Compute half‑wave dipole length from frequency or wavelength.
Calculate length and width of a rectangular patch antenna.
Determine trace width for a given characteristic impedance.
Compute received power in free space.
Estimate maximum detectable range.
Convert between frequency and wavelength in free space or dielectric.
Force between two point charges.
Force on a moving charge in a magnetic field.
Real‑time conversion between Cartesian, cylindrical, and spherical coordinates.
dBm, dBW, Watts, dBµV, dBmV – all units update in real time with equations.