= mtrs2ft =
converts from meters to feet.  Also has a command line switch to calculate US survey feet.  For example, state plane projections are often calculated using survey feet.
{{{
Usage:  mtrs2ft [-u] <meters>

This will give you feet from meters.

Options:
 -u      -- Use US survey feet per meter. (0.3048006096 meter = one foot)
}}}