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Do you have enough food for 3 days, a week, a month? Here are the bare minimums you need in a disaster or emergency.

Water – 1Adult for 1 Day

1-3 liters or 68 ounces (about a half gallon)

This could be more depending on the weather, your weight etc. Here’s a good calculator

http://www.csgnetwork.com/humanh2owater.html

Food

If you’re doing nothing, as in laying in bed your body can consume about 1000-3000 calories a day depending on weight. So assuming you will be doing some activity you would need about 2000 up to 5000 (sometimes more) of healthy calories to maintain your weight. Basically:

130 lbs – 3000 calories

150 lbs – 3200 calories

180 lbs – 3500 calories

200 lbs – 3650 calories

220 lbs – 3800 calories

Here’s a calculator that will pick your daily caloric intake based on age, height, weight and exercise frequency.

http://www.freedieting.com/tools/calorie_calculator.htm