LatLonToUTM(Latitude, Longitude, Zone)
Converts input latitude and longitude to UTM coordinates.
Input: Latitude = Decimal latitude (northing positive) (number)
Longitude = Decimal longitude (easting positive) (number)
Zone = Optional. If provided, conversion will be to specified UTM zone. (northern
hemisphere positive) (number) **This option not available in Mac Excel 2011.
Output: UTM coordinates (easting, northing) in meters and zone (vector)
Notes: If unfamiliar with Excel vector functions, see Vector Functions reference