| Speed |
m/s |
ft/s |
km/h |
mph |
Notes
|
| Global average sea level rise |
0.000000
000
11
|
0.00000000036
|
0.0000000004
|
0.00000000025
|
3.5 mm/year[8]
|
| Approximate rate of continental drift |
0.0000000013
|
0.0000000042
|
0.0000000045
|
0.0000000028
|
4 cm/year. Varies depending on location.
|
| Speed of a common snail |
0.001 |
0.003 |
0.004 |
0.002 |
1 millimetre per second
|
| A brisk walk |
1.7 |
5.5 |
6.1 |
3.8 |
|
| A typical road cyclist |
4.4 |
14.4 |
16 |
10 |
Varies widely by person, terrain, bicycle, effort, weather
|
| A fast martial arts kick |
7.7 |
25.2 |
27.7 |
17.2 |
Fastest kick recorded at 130 milliseconds from floor to target at 1 meter distance. Average velocity speed across kick duration[9]
|
| Approximate average speed of road race cyclists |
12.5 |
41.0 |
45 |
28 |
On flat terrain, will vary
|
| Typical suburban speed limit in most of the world |
13.8 |
45.3 |
50 |
30 |
|
| Taipei 101 observatory elevator |
16.7 |
54.8 |
60.6 |
37.6 |
1010 m/min
|
| Typical rural speed limit |
24.6 |
80.66 |
88.5 |
56 |
|
| British National Speed Limit (single carriageway) |
26.8 |
88 |
96.56 |
60 |
|
| Category 1 hurricane |
33 |
108 |
119 |
74 |
Minimum sustained speed over 1 minute
|
| Average peak speed of a cheetah |
33.53 |
110 |
120.7 |
75 |
|
| Speed limit on a French autoroute |
36.1 |
118 |
130 |
81 |
|
| Average speed of Human sneeze |
44.44 |
145.82 |
160 |
99.42 |
|
| Muzzle velocity of a paintball marker |
90 |
295 |
320 |
200 |
|
| Cruising speed of a Boeing 747-8 passenger jet |
255 |
836 |
917 |
570 |
Mach 0.85 at
35000 ft
(
10668 m
) altitude
|
| Speed of a .22 caliber Long Rifle bullet |
326.14 |
1070 |
1174.09 |
729.55 |
|
| The official land speed record |
341.1 |
1119.1 |
1227.98 |
763 |
|
| The speed of sound in dry air at sea-level pressure and 20 °C |
343 |
1125
|
1235
|
768 |
Mach 1 by definition. 20 °C = 293.15 kelvins.
|
| Muzzle velocity of a 7.62×39mm cartridge |
710 |
2330
|
2600
|
1600
|
The 7.62×39mm round is a rifle cartridge of Soviet origin
|
| Official flight airspeed record for jet engined aircraft |
980 |
3215
|
3530
|
2194
|
Lockheed SR-71 Blackbird
|
| Space Shuttle on re-entry |
7800
|
25600
|
28000
|
17,500 |
|
| Escape velocity on Earth |
11200
|
36700
|
40000
|
25000
|
11.2 km·s−1
|
| Voyager 1 relative velocity to the Sun in 2013 |
17000
|
55800
|
61200
|
38000
|
Fastest heliocentric recession speed of any humanmade object.[11] (11 mi/s)
|
| Average orbital speed of planet Earth around the Sun |
29783
|
97713
|
107218
|
66623
|
|
| The fastest recorded speed of the Helios probes |
70,220 |
230,381 |
252,792 |
157,078 |
Recognized as the fastest speed achieved by a man-made spacecraft, achieved in solar orbit.
|
| Orbital speed of the Sun relative to the center of the galaxy |
251000
|
823000
|
904000
|
561000
|
| Speed of the Galaxy relative to the CMB |
550000
|
1800000
|
2000000
|
1240000
|
| Speed of light in vacuum (symbol c) |
299792458
|
983571056
|
1079252848
|
670616629
|
Exactly
299792458
m/s
, by definition of the metre
|
