Essential Prepping Calculators

Basic Survival Needs

Food Storage Calculator – How much food does a family need? This nifty calculator can let you know.

Water Intake Calculator – Find out how much water an individual needs based on their specific weight.



Cooking Conversion Calculator – Converges different measurements for cooking.

Printable Version of Cooking Conversion Chart


Gardening/Mirco Farm

Seed Calculator – Find out how many seeds will be needed for a given amount of land.

Acres Into Square Feet Convergence Calculator – Acres into square feet conversion calculator for area conversions with additional tables and formulas.

Square Feet Into Acres Convergence Calculator – Square feet into acres conversion calculator.


Precious Metals

Precious Metal Calculator – Evaluates the current online price of all carat golds, silver, platinum, and palladium. Uses current online prices for a variety of currencies.



Radiation Calculator – We are exposed to radiation on a daily basis. Find out what daily activities we do and items that we have in our homes that emit radiation.


Weapon and Ammunition Calculator

Remington Ballistics Calculator

Nuclear Weapons Effects Calculator

Nuclear Detonation in a City – Put in the longitude and latitude coordinates of a city and see what the effects of the weapon will be and how far the fall out will spread


World Incidents

Global Incident Map – Maps out terrorist and other suspicious activity

Earthquake Incident Map – Find out where the earthquakes are in the world.


The Prepper's Blueprint

Tess Pennington is the author of The Prepper’s Blueprint, a comprehensive guide that uses real-life scenarios to help you prepare for any disaster. Because a crisis rarely stops with a triggering event the aftermath can spiral, having the capacity to cripple our normal ways of life. The well-rounded, multi-layered approach outlined in the Blueprint helps you make sense of a wide array of preparedness concepts through easily digestible action items and supply lists.

Tess is also the author of the highly rated Prepper’s Cookbook, which helps you to create a plan for stocking, organizing and maintaining a proper emergency food supply and includes over 300 recipes for nutritious, delicious, life-saving meals. 

Visit her web site at for an extensive compilation of free information on preparedness, homesteading, and healthy living.

This information has been made available by Ready Nutrition

Originally published February 13th, 2010
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