Planar Transformer: Dowell AC Resistance and iGSE Core Loss
Wired White v2 Compare interleaved and grouped PCB windings using layer MMF and Dowell resistance. Calculate harmonic copper loss, leakage inductance, and iGSE core and total loss.
#copper-loss
Wired White v2 
Power Inductor Design Calculator
Wired White v2 Size a gapped ferrite inductor and check peak flux, copper loss and iGSE core loss. Compare air-gap and ripple-duty tradeoffs with published ferrite baselines.