Example
load($id);
// or load it by SKU
// $sku = "microsoftnatural";
// $_product = Mage::getModel('catalog/product')->loadByAttribute('sku', $sku);
$stock = Mage::getModel('cataloginventory/stock_item')->loadByProduct($_product);
print_r($stock->getData());
echo $stock->getQty();
echo $stock->getMinQty();
echo $stock->getMinSaleQty();