orders of magnitude (speed)

To help compare different orders of magnitude, the following list describes various speed levels between approximately 2.2{{e|−18}} m/s and 3.0{{e|8}} m/s (the speed of light). Values in bold are exact.

List of orders of magnitude for speed

rowspan="11" \|10⁴ \|10,600 \|38,160 \|23,713.65 \|0.00004 \|Speed of propagation of the explosion of Octanitrocubane (ONC).
class="wikitable" \|+ !Factor (m/s) !Value (m/s) !Value (km/h) !Value (mph) !Value (c) !Item
----------------------------------------------------------------------------- !10⁻¹⁸ \|2.2{{e\|−18}}	7.8{{e\|−18}}	4.9{{e\|−18}}	7.3{{e
27}}	Expansion rate between 2 points in free space 1 m apart under Hubble's law. {{cite journal \|last=Hubble \|first=E. \|date=1929 \|title=A relation between distance and radial velocity among extra-galactic nebulae \|journal=Proceedings of the National Academy of Sciences \|volume=15 \|issue=3 \|pages=168–173 \|bibcode=1929PNAS...15..168H \|doi=10.1073/pnas.15.3.168 \|pmc=522427 \|pmid=16577160 \|doi-access=free}}
----------------------------------------------------------------------------- !rowspan="2"\|10⁻¹⁴ \|1.4{{e
14}}	5.0{{e
14}}	3.1{{e
14}}	4.7{{e
23}}	Cave of the Crystals gypsum crystals' growth rate, the slowest directly measured normal growth rate for any crystal growth process.{{cite journal\|last1=Van Driessche\|first1=A.E.S.\|last2=García Ruíz\|first2=J.M.\|last3=Tsukamoto\|first3=K.\|last4=Patiño López\|first4=L.D.\|last5=Satoh\|first5=H.\|title=Ultraslow growth rates of giant gypsum crystals \|journal=PNAS \|date=2011 \|volume=108 \|issue=38\|pages=15721–15726 \|doi=10.1073/pnas.1105233108\|pmid=21911400\|pmc=3179101\|doi-access=free}}
3.169{{e
14}}	1.141{{e
13}}	7.089{{e
14}}	1.057{{e
22}}	1 Bubnoff unit (1 μm/yr)
----------------------------------------------------------------------------- !10⁻¹³ \|1{{e\|−13}}	3{{e\|−13}}	2{{e\|−13}}	3{{e
22}}	Rate of erosion of bedrock.{{Cite book \| editor-first=Richard \| editor-last=Blewett \| title=Shaping a nation \| publisher=Geoscience Australia and ANU E-Press \| date=2012 \| pages=57–58 \| chapter=Chapter 2: Australia in time and space \| doi=10.22459/SN.08.2012 \| isbn=9781922103437 \| chapter-url=http://press.anu.edu.au/titles/shaping-a-nation/pdf-download/ \| access-date=2015-05-20 \| doi-access=free }}
----------------------------------------------------------------------------- !10⁻¹² \|4.12{{e\|−12}}	1.48{{e\|−11}}	9.21{{e\|−12}}	1.37{{e
20}}	Average growth rate of a limestone stalactite.
----------------------------------------------------------------------------- !10⁻¹¹ \|9.8{{e\|−11}}	3.5{{e\|−10}}	2.2{{e\|−10}}	3.2{{e
19}}	Rate of global sea level rise in 1993–2003 (3.1 mm/yr).{{Cite book \| author=Bindoff, NL \| contribution=Observations: Oceanic Climate Change and Sea Level \| title=Climate Change 2007: The Physical Science Basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change \| publisher=Cambridge University Press \| contribution-url=http://www.ipcc.ch/pdf/assessment-report/ar4/wg1/ar4-wg1-chapter5.pdf \| access-date=2010-08-21 \| display-authors=etal \| archive-date=2017-05-13 \| archive-url=https://web.archive.org/web/20170513164252/http://www.ipcc.ch/pdf/assessment-report/ar4/wg1/ar4-wg1-chapter5.pdf \| url-status=dead }}
----------------------------------------------------------------------------- !10⁻¹⁰ \|3{{e\|−10}} to 3{{e\|−9}}	1{{e\|−9}} to 1{{e\|−8}}	7{{e\|−10}} to 7{{e\|−9}}	1{{e
18}} to 1{{e
17}}	Typical relative speed of continental drift.
----------------------------------------------------------------------------- !rowspan="2"\|10⁻⁹ \|1.3{{e\|−9}}	4.7{{e\|−9}}	2.9{{e\|−9}}	4.3{{e
18}}	Average rate of the Moon receding from the Earth (approx. 38 mm/yr).{{citation needed\|date=December 2017}}
----------------------------------------------------------------------------- \|4.8{{e\|−9}}	1.7{{e\|−8}}	1.1{{e\|−8}}	1.6{{e
17}}	Human hair growth (average rate—note that there is a great range of variation).
----------------------------------------------------------------------------- !10⁻⁷ \|3{{e\|−7}} to 1.11{{e\|−5}}	1.08{{e\|−6}} to 4{{e\|−5}}	6.7{{e\|−7}} to 2.5{{e\|−5}}	1{{e
15}} to 3.7{{e
14}}	Calculated speed of an amoeba.{{cite web \|url=https://study.com/academy/answer/do-amoebas-move-fast-or-slow.html \|title=Do amoebas move fast or slow \|website=Study.com \|access-date=March 31, 2020}}
----------------------------------------------------------------------------- !10⁻⁶ \|1.52{{e\|−6}}	5.4{{e\|−6}}	3.4{{e\|−6}}	5.1{{e
15}}	Speed of a cellular vesicle propelled by a motor protein. {{cite journal \| last1=Hill \| first1=David \| last2=Holzwarth \| first2=George \| last3=Bonin \| first3=Keith \| year=2002 \| title=Velocity and Drag Forces on motor-protein-driven Vesicles in Cells \| journal=APS Southeastern Section Meeting Abstracts \| volume=69 \| pages=EA.002 \| bibcode=2002APS..SES.EA002H }}
----------------------------------------------------------------------------- !rowspan="2"\|10⁻⁵ \|1.02{{e
5}}	3.67{{e
5}}	2.28{{e
5}}	3.40{{e
14}}	Speed of the tip of a {{convert\|7\|cm\|abbr=on}}-long hour hand on a clock.v = r ω = 0.07 m · {{sfrac\|2{{pi}}\|60 s/min · 60 min/hr · 12 hr}}
1.4{{e\|−5}}	5.0{{e\|−5}}	3.1{{e\|−5}}	4.6{{e
14}}	Growth rate of bamboo, the fastest-growing woody plant, over 24 hours.{{cite book \| last=Farrelly \| first=David \| title=The Book of Bamboo \| publisher=Sierra Club Books \| year=1984 \| isbn=978-0-87156-825-0 \| url-access=registration \| url=https://archive.org/details/bookofbamboo00farr }}
----------------------------------------------------------------------------- !rowspan="2"\|10⁻⁴ \|4.0{{e\|−4}}	1.4{{e\|−3}}	8.9{{e\|−4}}	1.3{{e
12}}	Speed of Jakobshavn Isbræ, one of the fastest glaciers, in 2003.{{cite journal \|author1=Joughin I. \|author2=Abdalati W. \|author3=Fahnestock M. \| title=Large fluctuations in speed on Greenland's Jakobshavn Isbrae glacier \| journal=Nature \| volume=432 \| pages=608–610 \| year=2004 \| doi=10.1038/nature03130 \| pmid=15577906 \| issue=7017\|bibcode = 2004Natur.432..608J \|s2cid=4406447 }}
6{{e\|−4}}	2.2{{e\|−3}}	1.3{{e\|−3}}	2{{e
12}}	Typical speed of Thiovulum majus, the fastest-swimming bacterium.{{cite journal \| doi=10.1099/13500872-140-11-3109 \| first=Tom \| last=Fenchel \| title=Motility and chemosensory behaviour of the sulphur bacterium Thiovulum majus \| journal=Microbiology \| year=1994 \| pages=3109–3116 \| issue=11 \| volume=140 \| url=http://mic.sgmjournals.org/cgi/content/abstract/140/11/3109 \| access-date=2010-08-21 \| doi-access=free }}
----------------------------------------------------------------------------- !rowspan="2"\|10⁻³ \|0.00178	0.00641	0.00398	5.94{{e
12}}	The speed of a particle orbiting a ball of lead of radius 1 m near its surface under its gravity (that is, the first cosmic speed for this ball).
0.00275	0.00990	0.00615	9.17{{e
12}}	World record speed of the fastest snail in the Congham, UK.{{cite web\|url=http://www.scase.co.uk/snailracing/snails1.htm\|title=snailracing.net}}
----------------------------------------------------------------------------- !rowspan="2"\|10⁻² \|0.0476	0.171	0.106	1.58{{e
10}}	Compact cassette tape speed.[http://legacyproducts.tdk.com/support/pdfs/d.pdf TDK cassette spec sheet] {{webarchive\|url=https://web.archive.org/web/20070620193131/http://legacyproducts.tdk.com/support/pdfs/d.pdf \|date=2007-06-20 }} Retrieved on 27 March 2007
0.080	0.29	0.18	2.6{{e
10}}	The top speed of a sloth.
----------------------------------------------------------------------------- !rowspan="3"\|10⁻¹ \|0.2778	1	0.6214	9.2657{{e
10}}	1 km/h.
0.44704	1.609344	1	1.4912{{e
9}}	1 mph.
0.5144	1.852	1.151	1.716{{e
9}}	1 knot (nautical mile per hour)
----------------------------------------------------------------------------- !rowspan="5"\|10⁰ \|1.2	4.32	2.68	4{{e
9}}	Typical scanning speed of an audio compact disc; the speed of signals (action potentials) traveling along axons in the human cortex.
1–1.5	3.6–5.4	2.2–3.4	3.3–5.0{{e
9}}	Average walking speed—below a speed of about 2 m/s, it is more efficient to walk than to run, but above that speed, it is more efficient to run.
2.39	8.53	5.35	7.97{{e
9}}	World record time 50m freestyle swim
5.78	20.81	12.93	1.928{{e
8}}	World record time marathon{{cite web\|url=https://www.bbc.com/sport/athletics/45539546\|title=Eliud Kipchoge sets new marathon world record\|website=BBC Sport\|date=September 16, 2018\|access-date=March 20, 2022\|archive-url=https://web.archive.org/web/20180916162849/https://www.bbc.com/sport/athletics/45539546\|archive-date=September 16, 2018\|url-status=live}}
6–7	20–25	12–15	1.8–2.3{{e
8}}	Comfortable bicycling speed.
----------------------------------------------------------------------------- !rowspan="13"\|10¹ \|10.438	37.578	23.35	3.48{{e
8}}	Average speed of Jamaican athlete Usain Bolt while setting the 100m world record in Berlin on 16 August 2009.
12.42	44.72	27.78	4.14{{e
8}}	Top speed reached by Bolt during the same race.
8–14	30–50	18–31	2.7–4.7{{e
8}}	Typical residential speed limit; top speed of a running cat or dog.
14	50	31	4.7{{e
8}}	Typical speed of road-race cyclist.
17	60	37	5{{e
8}}	Typical speed of thoroughbred racehorse or racing greyhound.
5–25	18–90	11–56	1.7–8.3{{e
8}}	Speed of propagation for unmyelinated sensory neurons.
30	110	70	1{{e
7}}	Typical speed of car (freeway); cheetah—fastest of all terrestrial animals; sailfish—fastest fish; speed of go-fast boat.
40	140	90	1.3{{e
7}}	Typical peak speed of a local service train (or intercity on lower standard tracks).
40.05	144.17	89.59	1.335{{e
7}}	Land speed record for a human powered vehicle.{{cite news \|url=http://www.ihpva.org/hpvarech.htm \|title=IHPVA Official Speed Records \|date=17 September 2016 \|access-date=25 December 2021 \|work= International Human Powered Vehicle Association}}
54	195	122	1.8{{e
7}}	Maximum speed a human can attain during a face-down free-fall.
67	240	149	2.2{{e
7}}	The top speed of the world's fastest roller coaster, Formula Rossa.
90	320	200	3{{e
7}}	Typical speed of a modern high-speed train (e.g. latest generation of production TGV); a diving peregrine falcon—fastest bird; 320 km/h or 200 mph is a parameter sometimes used in defining a supercar.{{cite web \|url=http://www.woiweb.com/wiki/index.php?title=Supercar \|title=Supercar \|access-date=2009-10-10 }}
91	328	204	3.04{{e
7}}	Fastest recorded ball (a golf ball) in sports.{{cite web \|url=https://www.youtube.com/watch?v=Ito3BSO-St8 \|archive-url=https://ghostarchive.org/varchive/youtube/20211222/Ito3BSO-St8 \|archive-date=2021-12-22 \|url-status=live\|title=FSN Sport Science - Episode 7 - Myths - Jason Zuback \|work=Sport Science \|date=December 2007 \|publisher=YouTube \|access-date=2009-07-27}}{{cbignore}}
----------------------------------------------------------------------------- !rowspan="23"\|10² \|100.67	362.4	225.18	3.3{{e
7}}	Maximum speed recorded by a MotoGP motorcycle. Set by Johann Zarco during the 2021 Qatar Grand Prix at Losail International Circuit in a Ducati Desmosedici GP21 and Brad Binder during the 2021 Italian Grand Prix at Mugello Circuit in a KTM RC16.{{cite web\|url=https://www.motogp.com/en/news/2021/03/27/what-is-the-official-outright-motogp-speed-record/364051\|title=What is the official outright MotoGP™ speed record?\|website=motogp.com\|date=18 March 2021 \|publisher=MotoGP\|access-date=29 June 2021}}
103	370	230	3.44{{e
7}}	Speed of super torpedo VA-111 Shkval.
103.5	372.6	231.5	3.452{{e
7}}	Maximum speed recorded by a Formula One car. Set by Juan Pablo Montoya during the 2005 Italian Grand Prix at Monza in a McLaren MP4-20.
105.5	379.8	236	3.52{{e
7}}	Maximum speed of a Ferrari F50 GT1.
113	408	254	3.77{{e
7}}	Fastest non-tornadic wind gust recorded on Earth - at Barrow Island, Australia on April 10, 1996, during Severe Tropical Cyclone Olivia.{{cite web\|url=http://www.wmo.int/pages/mediacentre/infonotes/info_58_en.html\|publisher=World Meteorological Association\|title=World record wind gust\|access-date=2010-01-26\|url-status=dead\|archive-url=https://web.archive.org/web/20130120065504/http://www.wmo.int/pages/mediacentre/infonotes/info_58_en.html\|archive-date=2013-01-20}}
120	432	270	4.0{{e
7}}	Speed of propagation for mammalian motor neurons.
124.219	447.19	277.87	4.1{{e
7}}	Maximum speed of the Koenigsegg Agera RS (currently the fastest production car in the world).{{cite web \|url=http://www.roadandtrack.com/car-culture/a13301712/koenigsegg-agera-rs-speed-record/ \|title=The Koenigsegg Agera RS Is Officially the World's Fastest Car \|date=4 November 2017 \|access-date=14 January 2018}}
126–143	452–517	281–321	4.2–4.8{{e
7}}	The fastest wind speed ever recorded on Earth, caused by the 1999 Bridge Creek–Moore tornado.
150.6	539	337	5{{e
7}}	Top speed of an internal-combustion-powered NHRA Top Fuel Dragster.
154 \|554.4 \|344.5 \|5.1{{e
7}} \|Speed of the fastest crossbow arrow.
157	575	351	5.2{{e
7}}	Top speed of experimental test TGV train in 2007.
161	580	360	5.4{{e
7}}	Top speed of JR-Maglev in 2003.
250	900	560	8.3{{e
7}}	Typical cruising speed of a modern jet airliner, e.g. an Airbus A380.
314	1,130	702	1{{e
6}}	Top speed of any World War II-era aircraft, the Me 163B V18 set on July 6, 1944.
320	1,200	720	1.07{{e
6}}	The speed of a typical .22 LR bullet.
340.3	1,225	761	1.135{{e
6}}	Speed of sound in standard atmosphere (15 °C and 1 atm).
344.66	1,240.77	770.98	1.15{{e
6}}	Max speed reached by the jet-propelled car ThrustSSC in 1997—Land speed record.{{cite web\|url=http://www.thrustssc.com/Runs_Database/Runs_Database.html\|title=ThrustSSC}}
373	1,342.8	833.9	1.2{{e
6}}	Highest speed recorded during a free fall set by Felix Baumgartner.
428	1,540.8	957	1.4{{e
6}}	Max speed of Bell X-1.
464	1,670	1,040	1.55{{e
6}}	Speed of Earth's rotation at the equator.
603	2,170.8	1,350	2{{e
6}}	Speed of the Concorde airliner.
975	3,510	2,180	3.25{{e
6}}	Muzzle velocity of M16 rifle.
981	3,532	2,194	3.27{{e
6}} \|SR-71 Blackbird, the fastest aircraft driven by a mechanical jet engine.
----------------------------------------------------------------------------- ! rowspan="14" \|10³ \|1,022 \|3,679 \|2,286 \|3.41{{e
6}} \|Mean orbital velocity of the Moon around Earth.
1,400 \|5,040 \|3,100 \|4.6{{e
6}} \|Speed of the Space Shuttle when the solid rocket boosters separate.
1,422 \|5,119.2 \|3,181.2 \|4.7{{e
6}} \|The speed of fastest commercial cartridge. (.220 Swift, 1.9 grams (29 gr) bullet and 2.7 grams (42 gr) of 3031 powder.)
1,500	5,400	3,400	5{{e
6}}	Speed of sound in water or in soft tissue.{{Cite web \|url=http://www.clinicalimagingscience.org/article.asp?issn=2156-7514%3Byear=2011%3Bvolume=1%3Bissue=1%3Bspage=24%3Bepage=24%3Baulast=Valluru \|title=clinicalimagingscience.org - Photoacoustic Imaging: Opening New Frontiers in Medical Imaging \|access-date=2011-09-21 \|archive-date=2013-04-20 \|archive-url=https://web.archive.org/web/20130420091031/http://www.clinicalimagingscience.org/article.asp?issn=2156-7514;year=2011;volume=1;issue=1;spage=24;epage=24;aulast=Valluru \|url-status=dead }}
1,789	6,443	4,002	6{{e
6}}	Speed of BrahMos II hypersonic cruise missile
2,000	7,200	4,500	6.7{{e
6}}	Estimated speed of a thermal neutron.
2,019	7,268.4	4,516	6.7{{e
6}}	Speed of the North American X-15 rocket plane.
2,375	8,550	5,345	7.9{{e
6}}	Escape velocity from Moon.
2,700	9,600	6,000	9{{e
6}}	Speed of wind on exoplanet HD 189733 b.[http://dsc.discovery.com/space/top-10/exoplanets/index-06.html Discovery Space: Top 10 Extrasolar Planets] {{webarchive\|url=https://web.archive.org/web/20090303214450/http://dsc.discovery.com/space/top-10/exoplanets/index-06.html \|date=2009-03-03 }}
2,885	10,385	6,453	9.6{{e
6}}	Top speed of the fastest rocket sled.[http://www.holloman.af.mil/library/factsheets/factsheet.asp?id=6130 846 TS Hypersonic Upgrade Program] {{webarchive\|url=https://web.archive.org/web/20090202185338/http://www.holloman.af.mil/library/factsheets/factsheet.asp?id=6130 \|date=2009-02-02 }}
3,373	12,144	7,546	1.125{{e
5}}	Speed of the unmanned X-43 rocket/scramjet plane.
4,500	16,000	10,000	1.5{{e
5}}	A typical value for the specific impulse of current rockets.
7,700	27,700	17,200	2.57{{e
5}}	Speed of International Space Station and typical speed of other satellites such as the Space Shuttle in low Earth orbit.
7,777	28,000	17,400	2.594{{e
5}}	Speed of propagation of the explosion in a detonating cord.
----------------------------------------------------------------------------- \|11,107	39,985.2	24,846 \|0.00004	Speed of Apollo 10 – high speed record for human-crewed vehicle.
11,200	40,320	25,100 \|0.00004	Escape velocity from Earth.
16,100	57,900	36,000 \|0.00005	Fastest projectile velocity (1994).{{cite news \|title=Fastest Gun on Earth: Goals Go Beyond Planet \|first=Malcolm W. \|last=Browne \|url=https://www.nytimes.com/1994/03/22/science/fastest-gun-on-earth-goals-go-beyond-planet.html \|newspaper=The New York Times \|date=March 22, 1994 \|access-date=July 31, 2011}}
16,210	58,356	36,261 \|0.00005	Escape speed from Earth by NASA New Horizons spacecraft—Fastest escape velocity.
17,000	61,000	38,000 \|0.00006	The approximate speed of the Voyager 1 probe relative to the Sun, when it exited the Solar System.{{cite web\|url=http://hypertextbook.com/facts/1997/PatricePean.shtml\|title=Speed of the Voyager Space Probes\|first=Glenn\|last=Elert}}
29,800	107,280	66,700 \|0.00010	Speed of the Earth in orbit around the Sun.
47,800	172,100	106,900 \|0.00016	Atmospheric entry speed of the Galileo atmospheric probe—Fastest controlled atmospheric entry for a human-made object.
66,000	240,000	150,000 \|0.00022	Lower speed bound of the steel plate cap from the Pascal-B nuclear test of Operation Plumbbob.Operation Plumbbob{{Circular reference\|date=June 2019}}
70,220	252,800	157,100 \|0.00023	Speed of the Helios 2 solar probe.
73,800	265,000 \|165,000	0.00023 \|Estimated top speed of the Juno spacecraft (mass ~3600 kg) relative to Earth before insertion into Jupiter's orbit — second fastest human-made technical object.{{Cite web \|last=Wall \|first=Mike \|date=July 4, 2016 \|title=By Jove! NASA Probe Arrives at Jupiter After 5-Year Trek \|url=http://www.space.com/33343-nasa-juno-spacecraft-arrives-jupiter.html \|access-date=July 5, 2016 \|publisher=Space.com}}
----------------------------------------------------------------------------- ! rowspan="10" \|10⁵ \|100,000	360,000	224,000 \|0.0003	Dust particles in dust accelerators can exceed this speed.M. Horányi et al.: [https://www.hou.usra.edu/meetings/lpsc2016/pdf/1653.pdf The SSERVI - Impact Dust Accelerator Facility at the University of Colorado], 47th Lunar and Planetary Science Conference (2016), accessed May 30, 2017
140,000	540,000	313,170 \|0.00047	Approaching velocity of Messier 98 to our galaxy.
192,000	690,000	430,000 \|0.00064	Predicted{{update after\|2024\|12\|24\|reason=Remove "predicted"}} top speed of the Parker Solar Probe at its closest perihelion in 2024.{{cite web\|url=https://www.nasa.gov/sites/default/files/atoms/files/parkersolarprobe_presskit_august2018_final.pdf\|title=NASA Press Kit: Parker Solar Probe\|publisher=NASA\|date=August 2018\|access-date=February 13, 2020}}{{cite web\|last=Garner\|first=Rob\|title=Parker Solar Probe: Humanity's First Visit to a Star\|url=https://www.nasa.gov/content/goddard/parker-solar-probe-humanity-s-first-visit-to-a-star\|date=August 9, 2018\|work=NASA\|access-date=February 13, 2020}}
200,000	700,000	450,000 \|0.00070	Orbital speed of the Solar System in the Milky Way galaxy.
308,571	1,080,000	694,288 \|0.001	Approaching velocity of Andromeda Galaxy to our galaxy.
440,000	1,600,000	980,000 \|0.0015	Typical speed of the stepped leader of lightning (cf. return stroke below).{{Cite journal \| doi=10.1029/JD090iD05p08136\|title = Speed and current for lightning stepped leaders near ground as determined from electric field records\| journal=Journal of Geophysical Research: Atmospheres\| volume=90\|issue = D5\| pages=8136–8142\|year = 1985\|last1 = Thomson\|first1 = E. M.\| last2=Uman\| first2=M. A.\| last3=Beasley\| first3=W. H.\|bibcode = 1985JGR....90.8136T}}
445,000 \|1,600,000 \|995,000 \|0.0015 \|Max velocity of the remaining shell (mass about 0.1 mg) of an inertial confinement fusion capsule driven by the National Ignition Facility for the 'Bigfoot' capsule campaign.{{Cite web\|url=https://lasers.llnl.gov/news/experimental-highlights/2018/february\|title='Bigfoot' Prowls the NIF Target Chamber\|date=February 2018\|website=Lawrence Livermore National Lab}} Current fastest macroscopic human-made system.
450,000	1,600,000	1,000,000 \|0.0015	Typical speed of a particle of the solar wind, relative to the Sun.
552,000	1,990,000	1,230,000 \|0.0018	Speed of the Milky Way, relative to the cosmic microwave background.
617,700	2,224,000	1,382,000 \|0.0021	Escape velocity from the surface of the Sun.
----------------------------------------------------------------------------- !rowspan="3"\|10⁶ \|1,000,000	3,600,000	2,200,000 \|0.0030	Typical speed of a Moreton wave across the surface of the Sun.
1,610,000	5,800,000	3,600,000 \|0.0054	Speed of hypervelocity star PSR B2224+65, which currently seems to be leaving the Milky Way.
5,000,000	18,000,000	11,000,000 \|0.017	Estimated minimum speed of star S2 at its closest approach to Sagittarius A*.{{cite web\|url=http://www.eso.org/public/news/eso0226/\|title=Surfing a Black Hole - Star Orbiting Massive Milky Way Centre Approaches to within 17 Light-Hours\|last=}}
----------------------------------------------------------------------------- !rowspan="2"\|10⁷ \|14,000,000	50,000,000	31,000,000 \|0.047	Typical speed of a fast neutron.
30,000,000	100,000,000	70,000,000 \|0.1	Typical speed of an electron in a cathode-ray tube.
----------------------------------------------------------------------------- ! rowspan="9" \|10⁸ \|100,000,000	360,000,000	220,000,000 \|0.3	Typical speed of the return stroke of lightning (cf. stepped leader above).{{Cite journal \| doi=10.1029/GL014i011p01150\|title = The propagation speed of a positive lightning return stroke\| journal=Geophysical Research Letters\| volume=14\| issue=11\| pages=1150–1153\|year = 1987\|last1 = Idone\|first1 = Vincent P.\| last2=Orville\| first2=Richard E.\| last3=Mach\| first3=Douglas M.\| last4=Rust\| first4=W. David\|url = https://zenodo.org/record/1231386\|bibcode = 1987GeoRL..14.1150I}}
124,000,000	447,000,000	277,000,000 \|0.4	Speed of light in a diamond (Refractive index 2.417).
150,000,000	540,000,000	330,000,000 \|0.5	The escape velocity of a neutron star.
200,000,000	720,000,000	440,000,000 \|0.7	Speed of a signal in an optical fiber{{citation needed\|date=January 2022}}.
299,792,456	1,079,252,840	670,615,282 \|1 − 9{{e
9}}	Speed of the 7 TeV protons in the Large Hadron Collider at full power.{{Cite web \| title=LHC beams \| url=http://lhc-machine-outreach.web.cern.ch/lhc-machine-outreach/beam.htm \| publisher=CERN }}
299,792,457.996	1,079,252,848.786	670,616,629.38 \|1 − 1{{e
11}}	Maximal speed of an electron in LEP (104.5 GeV).
299,792,458 − 1.5×10⁻¹⁵	1,079,252,848.8 − 5.4×10⁻¹⁵	670,616,629.4 \|1 − 4.9×10⁻²⁴	Speed of the Oh-My-God particle ultra-high-energy cosmic ray.{{Cite web \| author=J. Walker \| date=January 4, 1994 \| title=The Oh-My-God Particle \| url=http://www.fourmilab.ch/documents/OhMyGodParticle/ \| publisher=Fourmilab }}
299,792,458	1,079,252,848.8	670,616,629.4 \|1	Speed of light or other electromagnetic radiation in a vacuum or massless particles.
>299,792,458 \|>1,079,252,848.8 \|>670,616,629.4 \|>1 \|Expansion rate of the universe between objects farther apart than the Hubble radius

References

Category:Units of velocity

Category:Physical quantities

Speed

orders of magnitude (speed)

List of orders of magnitude for speed

See also

References