Since Canada is metric, I can give you an easy to remember conversion.
One inch has 25.4 mm - for mental math, call it 25 mm. 1"/25mm = 0.40"
per mm. Or, I mm is "40 thou".
Your decimal is off by one place in your divisor.
Phil
At 03:11 PM 11/2/1999 -0600, you wrote:
>
>Dave, about,
>
>"Roy,
>
>ckeck my math but .
>
>1 mm = 1/254 inch = 0.0039370 inch
>
>>From ref data for radio engineers for enam wire => #39 AWG"
>
>73's,
>Dave N4CLR
>
>No, I got that from a data chart. Common sense tells us that #39 is very
>FINE indeed--hair like size. Nothin' close to 1 mm.
>
>73, Roy K6XK
>
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