57 Stone Coverage Calculator
Please enter valid numbers for area and stone size.
'; return; } var coverage = area / stoneSize; document.getElementById('result').innerHTML = 'Number of stones required: ' + coverage.toFixed(2) + '
'; }Please enter valid numbers for area and stone size.
'; return; } var coverage = area / stoneSize; document.getElementById('result').innerHTML = 'Number of stones required: ' + coverage.toFixed(2) + '
'; }