This calculator was developed to help you calculate the amount of food storage you might want to have on hand in case of an emergency. The quantaties listed are for Appx. a 2,300 calories per day diet. By default this form is set to 12 months however you can change that figure as you see fit. Once you are done you can easily print this page for your records. We hope this helps. For the Prepper by The Prepper
