Check it out and put in the stores from your personal pantry. It calculates how many days you have and the nutritional values. Some of the stuff I had to fudge on since I pack some of my own items but it was a good guestimate. It's only a basic idea, it does not figure in some of the grains I have in my store or oils. The cool thing is that if you use it now, you get entered to win a Years supply of legumes and grains.