Magento display minimum qty to 1 instead of 0 in add to cart form

To display qty to 1 please follow below steps

  1. Go to Admin Panel -> System -> Configuration -> Inventory-> Product Stock Options
  2. Click on Add Minimum Qty button (next to Minimum Qty Allowed in Shopping Cart option)
  3. Choose Customer Group: ALL GROUPS as you want this to be applied to all users.
  4. Now click on save config button and refresh the front end page


Please see the below image