Orders of magnitude (energy flow density)

This is a table of energy flow densities by magnitude.

List of orders of magnitude for energy flow density

Order of magnitude W/kg	Energy flow density (Φ)	Substrate
10−5	5 × 10−5 W/kg	Galaxies
10−3	2 × 10−3 W/kg	Stars
10−2	7.5 × 10−2 W/kg	Planets (early)
10−1	9 × 10−1 W/kg	Ecosystems
100	2 × 100 W/kg	Animals (human body)
101	1.5 × 101 W/kg	Brains (human)
	1 × 101 W/kg	Modern engines
	5 × 101 W/kg	Culture (human)
106	1 × 106 W/kg	Intel 8080 (1970's)
107	1 × 107 W/kg	Pentium II (1990's)

See also

• Energies per unit mass