any formula for inductance using swg , turns, diameter

hai ,\

i need a formula for the design of 2,5mH(microhenrry) value inductance by winding any swg wire any approx is enough for the design of the band pass filter of fm with 10mhz bandwidth of center freq. 97mhZ so plz get
the swg no. , number of turns, diameter on which to wound & lenth

vijaya

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