<a href=”https://www.squarefootagearea.com/calculator/square-footage-calculator” onclick=”window.open(‘https://www.squarefootagearea.com/calculator/square-footage-calculator?do=pop’,’Square footage area’,’width=400,height=600,toolbar=no,menubar=no,scrollbars=yes,resizable=yes’);return false;”>Square Footage Calculator – Sq Ft</a>