72-Hour Emergency Kit Checklist USA: What Your Family of Four Actually Needs

Most American families do not have a 72-hour emergency kit. This is a factual statement based on FEMA data: roughly 60% of US households have no emergency supplies at all.

I built one for my family of four after a three-day power cut in January, when the storm damage knocked out power to 40,000 homes across the region. We ate dry cereal. The phones died. We spent a night in the dark because we had no batteries and no torch. It sounds small. It taught me to prepare.

This guide covers what a family of four actually needs for three days—not the sanitised government checklist, but what genuinely matters when the power is off, the shops are closed, and you cannot leave your home.

The Short Version

Buy: 12 gallons of water (1 gallon per person per day), 3 days of non-perishable food, a battery-powered radio, torch with spare batteries, first aid kit, hand-crank can opener, matches, cash, medications, and copies of important documents. Store it in a waterproof plastic box in a closet you can reach without power. Check it twice a year.

Cost: roughly $100–180 for a family of four if you spread purchases over 2–3 months. Pre-built kits cost $120–300 and save assembly time.

What Happened During the Power Cut

The storm warning came in the morning. Power went out at 4pm. It came back at 1am on day three.

The first 4 hours were fine—we did not need anything. By 6pm, we wanted to cook. The stovetop has an electric igniter and would not light. We ate sandwiches instead.

By 8pm, the house was getting cold. We lit candles. By 11pm, the candles were running low. I started regretting every power storage decision I had ever not made.

By morning, the kids were asking questions about what happens if we need to go to the toilet and the water pump (electric) does not work. Fair question. I had no answer.

By day two, all four phones were on battery-saver mode. We could not charge them. Our one torch—a small LED thing from a camping trip—was our only light source, and the batteries were declining.

The shops were open but operating on generators and fuel was running out. Most people were buying frozen food, which felt optimistic.

By day three, we had eaten the bread before it went stale, made cold coffee because coffee mattered more than cooking, and spent twelve hours in sleeping bags for warmth (it was 48°F outside, 52°F inside). When power came back at 1am, the house was freezing and we all went straight to bed.

It was three days. Nobody was hurt. It was instructive.

The Basics: What 72 Hours Requires

Water (12 gallons for a family of four) Non-perishable food (3 days worth) First aid kit Medications and glasses Torch and extra batteries Hand-crank or battery radio Cash (ATMs will not work) Important documents in waterproof bag Matches or lighter

Everything else is refinement.

Water: 12 Gallons Minimum

FEMA says 1 gallon per person per day. That is survival minimum—drinking only, no cooking, no hygiene. For a family of four that is 12 gallons for three days.

Where to buy: 5-gallon jugs from grocery stores, Costco, or Walmart. Three jugs fits in a closet. Cost: $15–25.

Which bottles: food-grade plastic (HDPE) jugs. Do not use old milk jugs—they degrade. Costco and Walmart 5-gallon bottles are the standard choice.

How to store: cool, dark place. Rotate every 6 months—use the oldest water first (even though store-bought water lasts years sealed). I mark mine with the purchase date in permanent marker.

Food: 3 Days, No Cooking

High-calorie foods that need no cooking or hot water: - Canned soups (condensed, eat cold if necessary) - Canned chilli, stew, beans - Peanut butter (shelf-stable, calorie-dense) - Crackers - Granola bars - Dried fruit - Canned tuna and chicken - Nuts and seeds - Jerky

Practical family packs: ReadyWise, Mountain House, or Augason Farms do 72-hour family kits for $100–150. These are not gourmet—they are shelf-stable, calorie-dense, and your kids will eat them without complaint.

First Aid, Medications, Important Items

Build a clear plastic box with: - First aid kit (drugstore option is fine) - Any prescription medications in original containers (3-day supply minimum) - Glasses/contacts if needed - Infant formula and diapers if applicable - Pet medications - Copy of important documents: insurance papers, bank account numbers, deed/rental agreement, medical records summary

Store in waterproof bags inside the kit. These are the items you do not realise you need until you need them.

Light and Communication

One good torch (LED, takes AA batteries) is more valuable than you think. Avoid dollar-store torches—they are weak and the switches fail. Get a Maglite or equivalent quality.

Extra batteries: buy a 24-pack of AA and 9V batteries. They cost $15 at Costco, last forever, and you will use them in appliances anyway.

Hand-crank radio: $20, no batteries required, picks up NOAA weather warnings and local emergency broadcasts. Potentially life-saving in a weather event.

Why This Order Matters

Water is first because the human body needs it immediately.

Food is second because a day without eating is manageable; three days without proper calories is difficult.

First aid and medications are third because health problems in an emergency become catastrophic without treatment.

Light and communication are fourth: you can manage without them, but powerlessness is demoralising.

Everything else is improvement.

Quick Picks

Total: roughly $235 for a complete family kit (you likely have some items already, so actual cost lower).

Where to Store It

A closet. Any closet. Hall closet, bedroom closet, does not matter. The key is: - Accessible without power - Cool and dark - Away from pipes (water leak risk) and furnace (heat) - Label it clearly: "EMERGENCY KIT" - Tell every adult and older teen where it is

Do not hide it. You will forget where it is.

Checking Your Kit: Twice a Year

Set a phone reminder for daylight saving time changes—March and November in the US. Those are automatic prompts to check your kit: - Rotate water (use the oldest, replace with new) - Check food dates (rare issue, but swap if approaching expiry) - Check battery levels (replace if old) - Check medications (are they still needed? Still in date?) - Update documents if anything major changed

Takes 15 minutes. Do it.

What Not to Bother With

Expensive pre-made survival kits. Unless you are buying from ReadyWise or Mountain House (reputable brands), expensive survival kits are often overpriced and filled with foods you will not eat. Build your own at half the cost.

Complicated filtration or purification. For 72 hours, bottled water is simpler than water purification tablets. If you want to add Aquatabs or water purification tablets, they cost $8 and are worth having, but they are backup: start with bottled water.

Weapons or tactical gear. You are preparing for a power cut or storm. Not a zombie apocalypse. Most emergency scenarios resolve within 72 hours. Do not overthink.

Weapons or tactical gear. You are preparing for a power cut or storm, not a zombie apocalypse. Most emergency scenarios last 72 hours. Do not overthink.

How to Know If Your Kit Is Actually Complete

FEMA publishes a free checklist online: fema.gov/disaster/preparedness/ready-plan. Check your kit against theirs once a year. The Red Cross app (iOS and Android) also has a digital emergency kit checklist.

Related Guides

If you are thinking about emergency kits as part of household resilience, the next steps are:

The complete home resilience guide covers the full picture—water, power, food, warmth, and how they fit together over time.

How to build a 3-month food pantry is the next layer after 72-hour supplies: real food, rotated regularly, building over months.

How to store water long-term covers storing beyond 72 hours—containers, rotation, and longer-term systems.

Frequently Asked Questions

Can I use a 72-hour kit for camping?

Some of it: first aid kit, torch, emergency blankets, and ready-to-eat food work fine. But camping gear is optimised for different conditions—take the food and light, leave the rest at home.

What about pets?

Add to your kit: 72 hours of pet food in sealed packaging, water for the pet (roughly 50ml per kg body weight per day for a dog), any medications, and vaccination records. If you have to evacuate, know your local pet-friendly emergency shelters in advance. Many do not take pets.

Should I keep a kit in my car too?

Yes. Keep a smaller emergency kit in each car: water, granola bars, first aid kit, torch, jump cables, phone charger. Separate from your home kit because you might be there when an emergency happens.

What is the difference between a 72-hour kit and a food pantry?

The 72-hour kit is survival: non-perishable foods that last indefinitely, packed for immediate access. A food pantry is real food your family eats regularly, bought ahead and rotated. You build a pantry for resilience over time; a kit is for immediate crisis.

How much does it cost?

$100–180 if you spread purchases over 2–3 months. Pre-built kits cost $120–300. Do not try to buy it all at once—spread it across a few shopping trips.