Primary Inductance Calculator
Continuous Archimedean spiral · draggable START / END · exact PEEC calculated on WARDENCLYFFE® server
Continuous Archimedean spiral · drag START / END
Bridge connection leads
A/B lengths contain an unpaired part. Add its measured inductance in “Extra unpaired inductance”.
The µH/m value is the complete go/return pair loop inductance. Two 3 m conductors at 0.25 µH/m add 0.75 µH, not 1.50 µH.
L spiral (START→END)—
L connection—
L primary total—
Active conductor length—
Exact results are calculated by the server-side Python reference engine. The browser receives only numeric results; the formal PEEC solver, self-term regularization, hollow-tube internal-inductance model and connection-line solver are not sent to the browser.