Metric to English Conversion

function kgs2lbs()
{
  var lbs, kgs;
  kgs=parseFloat(document.getElementById('kgs').value);
  lbs = kgs*2.2;
  lbs=Math.round(lbs*10);
  lbs=lbs/10;
  document.getElementById('lbs').value = lbs;
}

function ft2mtr()
 {
   var ft, mtr;
   ft = parseFloat(document.getElementById('ft').value);
   mtr = ft *0.3048;
   mtr = Math.round(mtr*10);
   mtr = mtr/10;
   document.getElementById('mtr').value= mtr;
 }