How to reddirect all calls to http to https using .htaccess

How to redirect from non-secure http to secure (SSL) https

Create a .htaccess file in your wwwroot folder (Windows hosting) or your public_html folder (Linux hosting), containing the following, replacing mydomain.com with your domain name:

RewriteEngine On
RewriteCond %{SERVER_PORT} 80
RewriteRule ^(.*)$ https://www.mydomain.com/$1 [R,L]