Free tools
Food-storage calculators
The three questions every preservation project starts with: how long it lasts, how much you need, and what it costs, all answered with real numbers, then pointed at the right gear.
How long will it last?
Mylar shelf-life calculator
Pick a food and a bag thickness for a real shelf-life estimate, and whether 3.5, 5 or 7 mil is the right choice.
Open the tool →How much do I need?
Oxygen absorber calculator
Size the absorber for any bag or bucket by the cc-per-gallon rule, with the simplest way to buy the packs.
Open the tool →What does it cost?
Storage cost calculator
Work out the real cost per year of storing a staple, so you can see whether a setup actually pays off.
Open the tool →