A suspension board with circuit includes a metal supporting layer, an insulating base layer on one side thereof in a thickness direction, a conductive pattern disposed on the insulating base layer, an insulating cover layer disposed on the insulating base layer so as to cover the conductive pattern, and a pedestal for supporting a slider which includes a thin pedestal portion. The thin pedestal portion includes a pedestal base layer included in the insulating base layer, a pedestal conductive layer included in the conductive pattern which extends over the pedestal base layer, and a pedestal cover layer included in the insulating cover layer and disposed on the pedestal conductive layer. The conductive pattern includes a first wire placed to extend over the insulating base layer which has a narrower portion, and a dimension of the pedestal conductive layer is 0.5 to 3 times the dimension of the narrower portion.