<P> A per mille ( from Latin per mīlle , `` in each thousand '' ) , also spelled per mil , per mill , permil , permill , or permille is a sign indicating parts per thousand . Per mil should not be confused with parts per million ( ppm ) . </P>
<P> A per mille ( from Latin per mīlle , `` in each thousand '' ) , also spelled per mil , per mill , permil , permill , or permille is a sign indicating parts per thousand . Per mil should not be confused with parts per million ( ppm ) . </P>
what is the symbol for parts per thousand
what is the symbol for parts per thousand
per mille
per mille