Studied by 6 peopleAll fermi reference values that can be used to either directly answer a fermi question or aid in calculating an answer to a fermi question. This flashcard set specifically focuses on common economic measurements.
GDP - US
$2.30e13
GDP - China
$1.77e13
GDP - France
$2.94e12
GDP - Chad
$1.18e10
Richest Man (Musk)
$1.46e11
Energy per capita - US (kW*h/year)
13010 kW*h/year
Power - Sun Output
3.80e26 W
Power - Sun to Earth
1.70e17 W
Power - Photosynthesis (Global)
1.00e14 W
Power - US
2.80e12 W
Power - NYC Subway
4.95e8 W
Power - Car at 40mph
1.00e5 W
Power - House
5000 W
Power - Light Bulb
100 W
US Schools
1.31e5 schools
US Elementary Schools
8.75e4 schools
US Middle Schools
1.66e4 schools
US High Schools
2.35e4 schools
Colleges
7020 colleges
Average Classrooms in a School
35 classrooms
Average Kids in a Class
24 students
Profit - Starbucks
1.60e10 $/year
Profit - Toyota
1.60e10 $/year
Profit - Twitter
3.70e9 $/year
Profit - Google
4.00e10 $/year
Profit - Exxon Mobil
3.00e10 $/year
Birth Rate - US (annual birth per capita)
12 per 1000 annual birth per capita
Amperage - Car
500 A
Amperage - AA Battery
0.01-0.02 A
Amperage - Lemon
2.40e-4 A
Value - Gold ($/g)
56 $/g
Value - Silver ($/g)
0.67 $/g
Value - Blood ($/L)
400 $/L
Big Mac Price
$4.47
World Debt
$3.05e14
US National Debt
$3.14e13
China National Debt
$1.31e13
France National Debt
12$3.05
Chad National Debt
$5.16e9
Note
Flashcard