FERMI

What is a boardfoot?

What is a boardfoot?

144 inches cubed (12x12x1in)

Gasoline used per person per day (US)

1.4 gallons

Fortnight

14 days

Galactic Year

2.5x10^8 years

jiffy

1/60th or 1/100th of a second (both are used)

nanoacre

.006 inches squared

Metric Prefix: 24

yotta

Metric Prefix: 21

zetta

Metric Prefix: 18

exa

Metric Prefix: 15

peta

Metric Prefix: 12

tera

Metric Prefix: 9

giga

Metric Prefix: 6

mega

Metric Prefix: 3

kilo

Metric Prefix: 2

hecto

Metric Prefix: 1

deca

Metric Prefix: -1

deci

Metric Prefix: -2

centi

Metric Prefix: -3

milli

Metric Prefix: -6

micro

Metric Prefix: -9

nano

Metric Prefix: -12

pico

Metric Prefix: -15

femto

Metric Prefix: -18

atto

Metric Prefix: -21

zepto

Metric Prefix: -24

yocto

attoparsec

.03m

olympic size swimming pool

2500 meters cubed (25x50x2)

foe

10^44 J

square

100 ft squared

shot glass

1 oz, 25-30 mL

characters (letters) in the bible

4.5 million

SA of pacific ocean

6x10^7 miles squared

Area of US

4x10^6 miles squared

Moon to earth

2.4x10^5 miles

furlong

201 meters

rod

5.5 yards

Jupiter radius

7x10^7 meters

Jupiter Mass

2x10^27 kg

hubble-barn

13.1 L

Hiroshima bomb (joules)

6x10^13 J

Horse Length

8 ft

Mariana Trench Depth

35,000 feet

1 AU

93 million miles

Lake Erie Volume

116 miles cubed

Lake Superior Water Volume

2900 miles Cubed

meters squared per acre

4000

acres in a square mile

640

Weight of Full loaded boeing 747

360 tons

Royal Albert Hall Volume

3.5 million feet cubed

Volume of Pacific Ocean

1.3x10^8 miles cubed

Mt. Everest Heightt

29,000 ft

Oil per person, per day (US)

3.5 gallons

Sun Radius

700,000 km

Sun weight

2x10^30 kg

grave

1 kg

firkin

9 gallons, 34 liters

length of interstate system

47,000 miles

cars in US

255 million

bag of cement

112 pounds

shake

10 nanoseconds

Ton TNT (J)

4x10^9

Sydney Harbour Volume

500 gigaliters

siriometer

1 million AU, 16 lightyears

gallon

3.8 L, 128 oz

Weight of earth

6x10^24 kg

twenty foot equivalent

1360 ft cubed

water used per person per day (US)

150 gallons

dog year

52 days

barn

10^-28 meters squared

block

1/10 of a mile

stere

1 meter cubed

Cells in human body

about 50 trillion

10!

3.6x10^6

15!

1.3x10^12

20!

2.4x10^18

25!

1.6x10^25

30!

2.7x10^32

35!

1x10^40

Bacteria on Earth

5x10^40

Human cell size

10 mcm (long)

Bacterial cell size

.5-5 mcm (long)

Virus Size

20-400 nm

Mass of Earth's atmosphere

5x10^18 kg

height of Karman line (space boundary)

62 miles

Effective Volume of atmosphere

4.2x10^9 km cubed

Volume of atmosphere with Karman line

51x10^9 km cubed

SA of ice

6x10^6 miles squared

Effective Height of Atmosphere

8 km

Speed of Sound (sea level)

761 miles per hour

Seconds in a day

8.6x10^4

Seconds in a year

3.1x10^7

Calories in a Pound (shady)

3500

Luminosity of the sun

4x10^26 watts

kilowatt hour conversion to joules

3.6x10^6

US Energy consumption 2010

3x10^13 kW/h

us per capita energy use

8.7x10^4 kW/h

volume of a drop of water

.05 mL

Average ocean depth

3.8 km

Pressure at the bottom of the ocean

1000 atmospheres