Orders of magnitude (specific energy)

This is a table of specific energy by magnitude. Unless otherwise noted, these values assume standard ambient temperature and pressure.

List of orders of magnitude for specific energy

Order of magnitude J/(kg)	Specific energy	Storage method
10^1	1	Gravitational potential energy stored by raising any material by 1 meter (near the Earth's surface)
10^2	2.8	Day laborer (for that day)
	4	Heel-strike generator using electrostrictive polymers
10^3
10^4
10^5	2.16	NiMH rechargeable batteries
	6.12	Lead acid car batteries
	6.3	Li-ion watch batteries
10^7	1.6	Wood fuel
	1.7	Protein (about 4 nutritional calories per gram)[1]
		Carbohydrates (about 4 nutritional calories per gram)[2]
	2.5	Ethanol
	2.9	Alcohol (about 7 nutritional calories per gram)
	3.8	Fat (about 9 nutritional calories per gram)[3]
	4.4	Petrol (gasoline)[4]
10^8	1.2	Hydrogen
10^13	8.6	Nuclear fission: natural uranium in fast breeder reactor
10^14	5.76	Nuclear fusion: deuterium-tritium
10^16	~8.9876	Matter-antimatter annihilation: indeterminate matter and antimatter

See also

• Energies per unit mass

References

1. Dukhan, David (2003). "Energy Density of Protein". The Physics Factbook. Retrieved 5 November 2011.
2. Panda, Anurag (2007). "Energy Density of Carbohydrates". The Physics Factbook. Retrieved 5 November 2011.
3. Zhang, Ping (2004). "Energy Density of Fats". The Physics Factbook. Retrieved 5 November 2011.
4. Golnik, Arthur (2003). "Energy Density of Gasoline". The Physics Factbook. Retrieved 5 January 2014.