A millisecond (from ''
milli-'' and
second
The second (symbol: s) is a unit of time derived from the division of the day first into 24 hours, then to 60 minutes, and finally to 60 seconds each (24 × 60 × 60 = 86400). The current and formal definition in the International System of U ...
; symbol: ms) is a unit of
time
Time is the continuous progression of existence that occurs in an apparently irreversible process, irreversible succession from the past, through the present, and into the future. It is a component quantity of various measurements used to sequ ...
in the
International System of Units
The International System of Units, internationally known by the abbreviation SI (from French ), is the modern form of the metric system and the world's most widely used system of measurement. It is the only system of measurement with official s ...
equal to one thousandth (0.001 or 10
−3 or
1/
1000) of a
second
The second (symbol: s) is a unit of time derived from the division of the day first into 24 hours, then to 60 minutes, and finally to 60 seconds each (24 × 60 × 60 = 86400). The current and formal definition in the International System of U ...
or 1000
microseconds.
A millisecond is to one second, as one second is to approximately 16.67 minutes.
A unit of 10 milliseconds may be called a centisecond, and one of 100 milliseconds a decisecond, but these names are rarely used.
To help compare
orders of magnitude
In a ratio scale based on powers of ten, the order of magnitude is a measure of the nearness of two figures. Two numbers are "within an order of magnitude" of each other if their ratio is between 1/10 and 10. In other words, the two numbers are wi ...
of different
time
Time is the continuous progression of existence that occurs in an apparently irreversible process, irreversible succession from the past, through the present, and into the future. It is a component quantity of various measurements used to sequ ...
s, this page lists times between 10
−3 seconds and 10
0 seconds (1
millisecond and one second). ''See also''
times of other orders of magnitude.
Examples
The
Apollo Guidance Computer used metric units internally, with centiseconds used for time calculation and measurement.
*1 millisecond (1 ms) –
cycle time for frequency 1
kHz; duration of light for typical photo
flash strobe; time taken for
sound
In physics, sound is a vibration that propagates as an acoustic wave through a transmission medium such as a gas, liquid or solid.
In human physiology and psychology, sound is the ''reception'' of such waves and their ''perception'' by the br ...
wave to travel about 34 cm; repetition interval of
GPS C/A PN code
*1 millisecond – time taken for light to travel 204.19 km in a single mode fiber optic cable for a wavelength of 1550 nm (frequency: 193 THz).
*1 millisecond –
nerve conduction velocity (neuron signal firing) happens on the order of milliseconds
*1.000692286 milliseconds – time taken for
light
Light, visible light, or visible radiation is electromagnetic radiation that can be visual perception, perceived by the human eye. Visible light spans the visible spectrum and is usually defined as having wavelengths in the range of 400– ...
to travel 300 km in a vacuum
*1 to 5 milliseconds – typical response time in LCD computer monitors, especially high-end displays
*2 milliseconds –
Shift time for a modern
Formula One car
A Formula One car or F1 car is a single-seat, open-cockpit, open-wheel racing car, open-wheel formula racing car used to compete in Formula One racing events. It has substantial front and rear wings, large wheels, and a turbocharged engine mid ...
using a ''seamless-shift''
semi-automatic sequential transmission
*2.27 milliseconds – cycle time for
pitch A440, the most commonly used pitch for tuning musical instruments
*3 milliseconds – a
housefly
The housefly (''Musca domestica'') is a fly of the suborder Cyclorrhapha. It possibly originated in the Middle East, and Cosmopolitan distribution, spread around the world as a commensal of humans. Adults are gray to black, with four dark, lo ...
's wing flap. Also the normative
speed of sound
The speed of sound is the distance travelled per unit of time by a sound wave as it propagates through an elasticity (solid mechanics), elastic medium. More simply, the speed of sound is how fast vibrations travel. At , the speed of sound in a ...
(an issue in
track and field
Track and field (or athletics in British English) is a sport that includes Competition#Sports, athletic contests based on running, jumping, and throwing skills. The name used in North America is derived from where the sport takes place, a ru ...
)
*3.3 milliseconds – normal delay time between initiation and detonation of a
C4 explosive charge
*4 milliseconds – typical average
seek time
Higher performance in hard disk drives comes from devices which have better performance characteristics. These performance characteristics can be grouped into two categories: #Access time, access time and #Data transfer rate, data transfer time (o ...
for a 10,000 rpm
hard disk
A hard disk drive (HDD), hard disk, hard drive, or fixed disk is an electro-mechanical data storage device that stores and retrieves digital data using magnetic storage with one or more rigid rapidly rotating hard disk drive platter, pla ...
*5 milliseconds – a
honey bee
A honey bee (also spelled honeybee) is a eusocial flying insect within the genus ''Apis'' of the bee clade, all native to mainland Afro-Eurasia. After bees spread naturally throughout Africa and Eurasia, humans became responsible for the ...
's wing flap
*5 milliseconds to 80 milliseconds – a
hummingbird
Hummingbirds are birds native to the Americas and comprise the Family (biology), biological family Trochilidae. With approximately 366 species and 113 genus, genera, they occur from Alaska to Tierra del Fuego, but most species are found in Cen ...
's wing flap
*8 milliseconds – 1/125 of a second, a standard
camera
A camera is an instrument used to capture and store images and videos, either digitally via an electronic image sensor, or chemically via a light-sensitive material such as photographic film. As a pivotal technology in the fields of photograp ...
shutter speed
In photography, shutter speed or exposure time is the length of time that the film or digital sensor inside the camera is exposed to light (that is, when the camera's shutter (photography), shutter is open) when taking a photograph.
The am ...
(125); fastest shifting time of a
car's mechanical transmission
*10 milliseconds (10 ms) – a
jiffy, cycle time for frequency
100 Hz
*10.378 milliseconds – rotation period of pulsar B1639+36A
*15.625 milliseconds – a
two hundred fifty-sixth note at 60
BPM
*16.67 milliseconds (1/60 second) – a
third, cycle time for
American 60 Hz AC
electricity
Electricity is the set of physical phenomena associated with the presence and motion of matter possessing an electric charge. Electricity is related to magnetism, both being part of the phenomenon of electromagnetism, as described by Maxwel ...
(mains grid)
*16.68 milliseconds (1/59.94 second) – the amount of time one
field lasts in 29.97 fps
interlaced video
Interlaced video (also known as interlaced scan) is a technique for doubling the perceived frame rate of a video display without consuming extra Bandwidth (signal processing), bandwidth. The interlaced signal contains two field (video), fields ...
(commonly erroneously referred to as 30 fps)
*20 milliseconds – cycle time for
Europe
Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east ...
an 50 Hz AC electricity
*31.25 milliseconds – a
hundred twenty-eighth note at 60 BPM
*33.367 milliseconds – the amount of time one frame lasts in 29.97 fps video (most common for
NTSC
NTSC (from National Television System Committee) is the first American standard for analog television, published and adopted in 1941. In 1961, it was assigned the designation System M. It is also known as EIA standard 170.
In 1953, a second ...
-legacy formats)
*41.667 milliseconds – the amount of time one frame lasts in 24 fps video (most common
cinematic frame rate)
*41.708 milliseconds – the amount of time one frame lasts in 23.976 fps video (cinematic frame rate for NTSC-legacy formats)
*50 milliseconds –
the time interval between gear changes on a
Lamborghini Aventador; with a 7-speed single-clutch
automated manual transmission
The automated manual transmission (AMT) is a type of transmission (mechanics), transmission for motor vehicles. It is essentially a conventional manual transmission equipped with automatic actuation to operate the clutch and/or shift Gear train ...
*50 milliseconds – cycle time for the lowest
audible tone, 20 Hz
*60 milliseconds – cycle time for European 16.7 Hz AC
electrified railroad
Rail transport (also known as train transport) is a means of transport using wheeled vehicles running in railway track, tracks, which usually consist of two parallel steel railway track, rails. Rail transport is one of the two primary means of ...
power grid
''Power Grid'' is the English-language version of the second edition of the multiplayer German-style board game ''Funkenschlag'', designed by Friedemann Friese and first released in 2004. ''Power Grid'' was released by Rio Grande Games.
I ...
*60 milliseconds – the time interval between gear changes on a
Ferrari 458 Spider; with a 7-speed
dual-clutch automatic transmission
*62.5 milliseconds – a
sixty-fourth note at 60 BPM
*5 to 80 milliseconds – typical
latency for a
broadband internet
In telecommunications, broadband or high speed is the wide- bandwidth data transmission that exploits signals at a wide spread of frequencies or several different simultaneous frequencies, and is used in fast Internet access. The transmission m ...
connection (important for playing
online game
An online game is a video game that is either partially or primarily played through the Internet or any other computer network available. Online games are ubiquitous on modern gaming platforms, including PCs, consoles and mobile devices, a ...
s)
*100 milliseconds – the time interval between gear changes on a
Ferrari FXX; with a 6-speed single-clutch automated manual transmission
*125 milliseconds – a
thirty-second note
In music, a thirty-second note (American) or demisemiquaver (British) is a note played for of the duration of a whole note (or ''semibreve''). It lasts half as long as a sixteenth note (or ''semiquaver'') and twice as long as a sixty- ...
at 60 BPM
*134 milliseconds – time taken by
light
Light, visible light, or visible radiation is electromagnetic radiation that can be visual perception, perceived by the human eye. Visible light spans the visible spectrum and is usually defined as having wavelengths in the range of 400– ...
to travel around the
Earth
Earth is the third planet from the Sun and the only astronomical object known to Planetary habitability, harbor life. This is enabled by Earth being an ocean world, the only one in the Solar System sustaining liquid surface water. Almost all ...
's
equator
The equator is the circle of latitude that divides Earth into the Northern Hemisphere, Northern and Southern Hemisphere, Southern Hemispheres of Earth, hemispheres. It is an imaginary line located at 0 degrees latitude, about in circumferen ...
*150 milliseconds – recommended maximum time delay for
telephone
A telephone, colloquially referred to as a phone, is a telecommunications device that enables two or more users to conduct a conversation when they are too far apart to be easily heard directly. A telephone converts sound, typically and most ...
service
*100–400 milliseconds – the time for the
human eye
The human eye is a sensory organ in the visual system that reacts to light, visible light allowing eyesight. Other functions include maintaining the circadian rhythm, and Balance (ability), keeping balance.
The eye can be considered as a living ...
to
blink
*185 milliseconds – the duration of a full rotation of the main rotor on Bell 205, 212, and 412
helicopters (normal rotor speed is 324 RPM)
*200 milliseconds – the time it takes the human brain to recognize emotion in
facial expression
Facial expression is the motion and positioning of the muscles beneath the skin of the face. These movements convey the emotional state of an individual to observers and are a form of nonverbal communication. They are a primary means of conveying ...
s
*250 milliseconds – a
sixteenth note
Figure 1. A 16th note with stem facing up, a 16th note with stem facing down, and a 16th rest.
Figure 2. Four 16th notes beamed together.
In music, a 1/16, sixteenth note ( American) or semiquaver (British) is a note played for half the d ...
at 60 BPM
*400 milliseconds – time in which the fastest
baseball
Baseball is a bat-and-ball games, bat-and-ball sport played between two team sport, teams of nine players each, taking turns batting (baseball), batting and Fielding (baseball), fielding. The game occurs over the course of several Pitch ...
pitches reach the strike zone
*430 to 500 milliseconds – common modern dance music tempos (120–140
BPM)
*495 milliseconds – an approximate average of the round trip time for communications via
geosynchronous satellites
*500 milliseconds – an
eighth note
180px, Figure 1. An eighth note with stem extending up, an eighth note with stem extending down, and an eighth rest.
180px, Figure 2. Four eighth notes beamed together.
An eighth note ( American) or a quaver ( British) is a musical note pla ...
at 60 BPM
*770 milliseconds – revolution period of a
78 rpm record
*860 milliseconds – average human resting heart cycle time
*1000 milliseconds – one
second
The second (symbol: s) is a unit of time derived from the division of the day first into 24 hours, then to 60 minutes, and finally to 60 seconds each (24 × 60 × 60 = 86400). The current and formal definition in the International System of U ...
; the period of a 1
Hz oscillator
*86,400,000 (24 × 60 × 60 × 1000) milliseconds – one day
*604,800,000 (24 × 60 × 60 × 1000 × 7) milliseconds – one week
*31,556,925,974.7 (86,400,000 × approximately 365.242) milliseconds – one year
*31,556,908,800... or (31,556,925,974.7 × approximately 10) milliseconds – one decade
See also
*
International System of Units
The International System of Units, internationally known by the abbreviation SI (from French ), is the modern form of the metric system and the world's most widely used system of measurement. It is the only system of measurement with official s ...
*
Second
The second (symbol: s) is a unit of time derived from the division of the day first into 24 hours, then to 60 minutes, and finally to 60 seconds each (24 × 60 × 60 = 86400). The current and formal definition in the International System of U ...
*
Microsecond
A microsecond is a unit of time in the International System of Units (SI) equal to one millionth (0.000001 or 10−6 or ) of a second. Its symbol is μs, sometimes simplified to us when Unicode is not available.
A microsecond is to one second, ...
*
Nanosecond
A nanosecond (ns) is a unit of time in the International System of Units (SI) equal to one billionth of a second, that is, of a second, or seconds.
The term combines the SI prefix ''nano-'' indicating a 1 billionth submultiple of an SI unit (e ...
*
Picosecond
*
Femtosecond
*
Attosecond
An attosecond (abbreviated as as) is a unit of time in the International System of Units (SI) equal to 10−18 or 1⁄1 000 000 000 000 000 000 (one quintillionth) of a second.
An attosecond is to a second, as a second is to approximately 31.69 ...
References
External links
The National Institute of Standards and Technology (NIST)
{{DEFAULTSORT:1 E-1 S
Orders of magnitude (time)
de:Sekunde#Abgeleitete Maßeinheiten