But where do you start? That's where this food storage calculator comes in handy. Just plug in how many people you want to plan for and how long. Next, just tell us what type of food storage you want: Traditional Staples. These are the food storage items that have been used for decades - wheat, grains and starches. Mix of Both. Want a balanced diet of both grains, fruits and meals? No problem. Freeze Dried. Just because you're in an emergency doesn't mean you can't eat normal foods. Just add water to get fresh fruits, vegetables, hot meals and more.