Orders of magnitude (luminous flux)

To help compare different orders of magnitude, the following list contains various light sources, with outputs measured in lumens (lm).

Factor [lm]	Multiple	Value	Item
10^−2	1 centilumen (clm)	0.025 lm	One firefly
10^1	10 lumen (lm)	12.57 lm	One candle[1]
10^2	1 hectolumen (hlm)	780 lm	60 W incandescent light bulb
		875 lm	50 W halogen lamp
		900 lm	15 W compact fluorescent lamp
		930 lm	75 W incandescent light bulb
10^3	1 kilolumen (klm)	1000 lm	High-power LED[2]
		1400 lm	75 W halogen lamp[3]
		1550 lm	23 W compact fluorescent lamp[4][5]
		2990 lm	200 W incandescent light bulb
10^4	10 kilolumen (klm)	75 000 lm	Edison Commemorative Light Bulb[6]
10^5	100 kilolumen (klm)	600 000 lm	IMAX projector bulb[7]
10^9	1 gigalumen (Glm)	42.3 billion lm	"Luxor Sky Beam" spotlight array
10^24	1 yottalumen (Ylm)	about 4.6×10^24 lm	M9V red dwarf star (dimmest class)
10^25	10 yottalumen (Ylm)	about 3×10^25 lm	V886 Centauri (white dwarf)
10^28	10 thousand yottalumen (Ylm)	3.6×10^28 lm	The Sun (3.846×10^26 W × 93 lm/W[8][9])
10^29	100 thousand yottalumen (Ylm)	7.26×10^29 lm	Sirius
10^32	100 million yottalumen (Ylm)	9.5570×10^32 lm	HD 68273 (a Wolf-Rayet star)[10]
10^38	100 trillion yottalumen (Ylm)	1.382×10^38 lm	Type Ia supernova
10^41	100 quadrillion yottalumen (Ylm)	1.26×10^41 lm	Quasar 3C 273
10^42	1 quintillion yottalumen (Ylm)	~10^42 lm	Hyperluminous quasar APM 08279+5255[11]

See also

• Lumen (unit)
• List of SI prefixes

References

1. Robert H (Doc) Bryant. "Lumens, Illuminance, Foot-candles and bright shiny beads….". Theledlight.com. Retrieved 10 August 2011.
2. "Powerful Little Light: LED With 1,000 Lumens". Physorg.com. March 15, 2007. Retrieved 28 July 2011.
3. oee.nrcan.gc.ca - Lighting Reference Guide - Incandescent Lamps
4. "Osram Dulux EL electronic energy-saving lamps" (pdf). Osram.dk. Retrieved Jan 4, 2009.
5. "Conventional CFLs". Energy Federation Incorporated. Archived from the original on October 14, 2008. Retrieved 2008-12-23.
6. "Edison-Ford Winter Estates, Fort Myers, FL.". Kilokat's Antique Light Bulb Site. Kilokat's Antique Light Bulb Site. Retrieved 2 August 2011.
7. "About IMAX". The Henry Ford. The Henry Ford. Retrieved 2 August 2011.
8. John P. Millis. "The Sun". About.com. Retrieved 2 August 2011.
9. "Maximum Efficiency of White Light" (PDF). Retrieved 2011-07-31.
10. "The absolute magnitude of some galactic Wolf-Rayet stars". Retrieved 31 May 2013.
11. MICHAEL J. IRWIN; RODRIGO A. IBATA; GERAINT F. LEWIS & EDWARD J. TOTTEN. "APM 08279+5255: An Ultraluminous Broad Absorption Line Quasar at a Redshift z = 3.87". The Astrophysical Journal. Retrieved 3 September 2013.