Fermi Questions

Distance between the east and west coast of the U.S. (m)

3E6

Circumference of Earth (m)

4E7

Circumference of the Moon (m)

1E7

Circumference of the Sun (m)

4E9

Height of an average man (m)

1.7

Height of an average woman (m)

1.5

Height of Mount Everest (m)

8E3

Population of US

3E8

Population of China

1E9

How many cars are in the US?

2E8

How many people are born in a day

3E5

How much water is in all the oceans (m³)

1E18

How many litres of blood in the body? (L)

5

How many cells are in the human body?

3E13

Distance from Earth to the Moon (m)

3E8

Distance from Earth to Sun (m)

1E11

Size of an Olympic Pool (m³)

2E3

Area of tennis court (m²)

2E2

Area of US (m²)

9E12

Water Used by a person everyday (L)

5, intake 2.7

Hairs on human head

1E5

breaths per minute

12-20

Height of Empire State Building (m)

4E2

Great Wall of China's length (m)

2E7

Average mass of an adult (kg)

7E1

Number of bones in the body

206

How many phone calls are made in a day

6E9

How many texts are sent in a day

1E7

How many times person heart beats in a day

1E5

How long does it take an electron to go around the earth (s)

18

How many dollar bills are in circulation

3E10

How many rotations does a tire make in a mile

9E2

Wavelength of red (m)

7E-7

wavelength of green (m)

5.3E-7

wavelength of blue (m)

4.5E-7

Number of hair follicles on human body

5E6

Number of hair lost each day

50-100

number of parishes

64

Area of LA wetlands in square meters (m²)

1E10

Highest elevation in Louisiana (m)

1E2

Diameter of Earth (m)

1E7

Diameter of avg atom (m)

1E-10

Earth to first galaxy (m)

1E26

Earth to Pluto (m)

1E12

Thickness of sheet of paper (m)

1E-4

length of an average virus (m)

1E-8

Radius of proton (m)

1E-15

length of interstate system (m)

7E7

bag of cement (kg)

4E1

Sydney Harbor Volume (m³)

5E8

Mass of Earth (kg)

5E24

Human cell size (m)

1E-5

bacteria cell size (m)

1E-6

Mass of Earth's atmosphere (kg)

5E18

Effective Height of Earth's atmosphere (m)

1E4

height of Karman line (space boundary) (m)

1E5

Volume of Ice on Earth (m³)

3E16

speed of sound (sea level) (m/s)

3E2

Population of the world

8E9

Surface area of Earth (m²)

5E14

Volume of Earth (m³)

1E21

Characters in the Bible

4E6

Surface Area of the pacific Ocean (m²)

1E14

Jupiter radius (m)

7E7

Jupiter Mass (kg)

2E27

Marina trench depth (m)

1E4

Lake Erie volume (m³)

4E11

Lake Superior volume (m³)

1E13

Mass of Full loaded boeing 747 (kg)

3E5

Oil per person, per day (US) (m³)

1E-1 or 35 gallons

Sun Radius (m)

7E8

Sun mass (kg)

2E30

Bacteria on Earth

5E30

Volume of a drop of water (m³)

5E-8

Average ocean depth (m)

3E3

Pressure at the bottom of the ocean (atm)

1E3

acceleration on Earth (m/s²)

9.8

parsec (light years)

3.26

average length of the small intestine (m)

6

Tsar Bomba (J)

2E17

number of neurons in a human body

1E11

Thickness of Earth's Oceanic crust (m)

6-7E3

Number of stars in Milky way

1E11

Age of Universe

1E10

Land area of Louisiana

1E11

Population in Louisiana

4E6

How many alligators in Louisiana

2E6

How many oil rigs in Louisiana

160

How many oil barrels is produced in Louisiana per day

1E7

Annual Energy Consumption per person (kWh)

1E5

Net Worth of Apple

2E12

Net Worth of Google

1E12

Revenue of Walmart

5E11

Number of products on Amazon

3E8

Number of ants

2E16

Number of trees

3E12

Ash released in Mount St. Helen's eruption

1E9

Voltage in iPhone (mAh)

1.5E3

Voltage in AAA Battery (mAh)

1E3

Voltage in AAA Battery (V)

1.5