What if I calculate

Number of survivors

1255075100

100 people

Zombie kills per survivor per day

100 1,000 10,000 100,000 1,000,000

Outbreak scale

Weapon of choice

New infections per day

01.25M2.5M3.75M5M

0 new zombies/day

Distance to high ground

0.11.252.53.755 km

1.5 km

How you're getting there

Warning time before the wave hits

115304560 min

10 minutes

Bomb yield

Your distance from ground zero

0.512.52537.550 km

5 km

Days of food & water stocked

03.5710.514

3 days

Backup power & light

Season

How widespread is the outage?

Building type

Earthquake magnitude

Did you Drop, Cover, and Hold On?

Yes, immediately No time, or no idea what that means

Secrets you're currently keeping

05101520

5

How honest are you already?

Extrovert or introvert?

What's going around?

What is your city doing about it?

How often do you go out?

Your protection

Face mask when I'm out Hand washing & hand gel Vaccinated

People in your household (you included)

12345678

3 people

Days of supplies stocked

015304560

14 days of hiding at home during the peak

Your age & health

Tech you're still carrying

Smartphone Smartwatch Laptop or tablet Car with built-in GPS

How much did you ever share online?

Where are you hiding?

Weapon of choice

When one finds you, do you aim for its cameras and joints?

Yes, the weak spots No, I just swing wildly

April 15, 1912: the water was −2 °C and the Carpathia arrived about 1 hour 40 minutes after the Titanic went down. Try it with and without a lifeboat.

Water temperature

-26142230 °C

12 °C (North Sea in spring)

What keeps you afloat?

What are you wearing?

What do you do in the water?

Float calmly and hug my knees (or huddle with others) Keep treading water Swim for the coast

Where did you sink?

Does anyone know you're in trouble?

A mayday call went out, or an emergency beacon is on

October 1999: Nicholas White got stuck in a New York office elevator on a Friday night. He pressed the alarm, but nobody was watching. He got out 41 hours later.

Where are you stuck?

Calling for help

I pressed and held the alarm button My phone has signal and I called for help

While you wait, you...

Sit on the floor and breathe slowly Bang on the doors and yell Force the doors or climb through the hatch

Who's in there with you?

How do you feel about small spaces?

What's in your bag?

A bottle of water and a snack

How far away is the fire?

18152230 km

10 km

Wind

Where is your house?

On flat ground On a hill, uphill from the fire

When do you leave?

How are you getting out?

Distance to the evacuation center

211.52130.540 km

15 km

What kind of house do you live in?

What's been happening?

Footsteps when nobody's there Doors opening by themselves Cold spots in the hallway Objects moving on their own A voice whispering your name Headaches and dizziness at home

What have you done so far?

Played with a Ouija board Asked "is anyone there?" into the dark Read strange words out loud from an old book

Is there a carbon monoxide detector in your house?

Yes No

Your nerves

Where do you live?

Season

12 hours of darkness per day

After sunset, you're...

Midnight. Your "cousin" knocks and asks to come in. You...

Talk through the door: come back in daylight Might let them in if they sound really sad Let them in, family is family

Your defenses

Garlic above the doors and windows A mirror next to the front door A cross on the wall A river between you and the rest of town

Weapon by your bed

Survival odds –

Peak of the outbreak –

City that gets infected –

Hospitals –

Sick people in a city of 1 million, over one year

Day 03 months6 months9 months1 year

Sick people Hospital limit You hiding at home

This is a simplified outbreak model with rough, made-up estimates, built for fun. It is not medical advice and can't predict your real risk. For real health decisions, listen to your doctor and your local health authorities.

Chance they spot you today –

Your digital footprint –

Biggest giveaway –

Chance you win a fight –

You can last about –

Rescue arrives in about –

Biggest threat –

Cold shock in the first minute –

Survival times are rough averages based on cold-water survival charts, and real outcomes vary a lot from person to person. In real life: always wear a life jacket on the water, and follow the crew and rescue services.

Air supply Plenty, it's not airtight

Does anyone know? –

Stress level –

Biggest danger –

Fire reaches your house in –

Fire speed –

Your head start –

Biggest mistake –

Real wildfires are unpredictable: wind can turn in minutes and embers can start new fires kilometers ahead. In real life: when the authorities tell you to evacuate, go right away.

Most likely explanation –

Creepiest sign –

Ghost's mood –

Until you move out –

Danger per night –

Vampires nearby –

Biggest weakness –

Chance you win a fight –

What If I Calculate

Zombie Apocalypse Calculator