function getresults() { var kilograms; var pounds; var stones; var rounding; stones = document.myForm.stones.value; kilograms = stones * 6.35029318; pounds = stones * 14; rounding = Math.round(kilograms * 1000); kilograms = rounding/1000; document.myForm.pounds.value = pounds; document.myForm.kilograms.value = kilograms; }