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Objective of Measurement:

Measurement is the most important aspect of our life. We use measurement in science, engineering, business trading, personal life, education, and more other fields. As technology is growing day by day so we need a highly accurate and easy convenient global measuring system in each and every field. It is essential to use standard measurement in every field that everyone to be sure that they not get cheated.

History of Measurement:

In history for measurement people used the human body as a tool. For measuring length used forearm, hand, foot & finger as a unit. The foot, finger is a subdivided shorter unit of a length. This type of measurement is not accurate cause different in size of the arm & finger for different people & some of the countries still using it. In history, there were lots of measuring systems developed but mostly used imperial, the metric system of measurement. We use these systems for measure distances, volume, weight, speed, area etc. Due to this a major problem everyone is facing while doing trading between the countries. A huge improvement in civilization, It necessary to improve measuring standards. Nowadays International Standard (SI) units are used as a global measurement system.

About Time:

Few 100 years back clock is not discovered so people use to measure time by Sunlight, Sand Clock & Sundials where used. The sand clock is a device which consists of two glass chambers. One chamber is filled up with sand, this sand will move from one chamber to other chambers in a dedicated time. Sundial is a device by this people know the time by the position of the sun. Sundial has a flat plate with gnomon ( It produce a shadow) attached to it. As the sun moves the gnomon is shows shadow in a different direction on the sundial plate by this people will know the time.

Time - Unit Converter:

Our Unit Converter will convert the units of time Second (sec), Millisecond, Microsecond, Nanosecond, Picosecond, Minute, Hour, Day, Week, Month, Year to vice versa with a metric conversion. It specially designed to convert seconds to minutes, minutes to seconds, minutes to hours, hours to minutes, milliseconds to seconds, seconds to milliseconds, seconds to day, and more with time conversion chart.


UnitDefinition
millennium1,000 years
century100 years
decade10 years
year (average)365.242 days or 12 months
common year365 days or 12 months
leap year366 days or 12 months
quarter3 months
month28-31 days
Jan., Mar., May, Jul., Aug. Oct., Dec.—31 days
Apr., Jun., Sep., Nov.—30 days.
Feb.—28 days for common year and 29 days for leap year
week7 days
day24 hours or 1,440 minutes or 86,400 seconds
hour60 minutes or 3,600 seconds
minute60 seconds
secondbase unit
millisecond10-3 second
microsecond10-6 second
nanosecond10-9 second
picosecond10-12 second

Units of time

Unit Length, Duration and Size Notes
Planck time unit 5.39×10−44 s The amount of time light takes to travel one Planck length. Theoretically, this is the smallest time measurement that will ever be possible.[3] Smaller time units have no use in physics as we understand it today.
yoctosecond 10−24 s
jiffy (physics) 3×10−24 s The amount of time light takes to travel one fermi (about the size of a nucleon) in a vacuum.
zeptosecond 10−21 s Time measurement scale of the NIST strontium atomic clock. Smallest fragment of time currently measurable is 850 zeptoseconds.[1][3]
attosecond 10−18 s
femtosecond 10−15 s Pulse time on fastest lasers.
Svedberg 10−13 s Time unit used for sedimentation rates (usually of proteins).
picosecond 10−12 s
nanosecond 10−9 s Time for molecules to fluoresce.
shake 10−8 s 10 nanoseconds, also a casual term for a short period of time.
microsecond 10−6 s Symbol is µs
millisecond 10−3 s Shortest time unit used on stopwatches.
jiffy (electronics) 1/60 s or 1/50 s Used to measure the time between alternating power cycles. Also a casual term for a short period of time.
second 1 s SI Base unit.
minute 60 s
moment 1/40 solar hour (90 s on average) Medieval unit of time used by astronomers to compute astronomical movements, length varies with the season.[4]
ke 14 min 24 s Usually calculated as 15 minutes, similar to "quarter" as in "a quarter past six" (6:15).
kilosecond 1000 s 16 minutes and 40 seconds
hour 60 min
day 24 h Longest unit used on stopwatches and countdowns.
week 7 d Also called "sennight".
megasecond 106 s 277.777778333333 hours or about 1 week and 4.6 days.
fortnight 2 weeks 14 days
lunar month 27 d 4 h 48 min – 29 d 12 h Various definitions of lunar month exist.
month 28–31 d Occasionally calculated as 30 days.
quarter and season 3 mo
semester 18 weeks A division of the academic year.[5] Literally "six months", also used in this sense.
year 12 mo 365 or 366 d
common year 365 d 52 weeks and 1 day.
tropical year 365 d 5 h 48 min 45.216 s[6] Average.
Gregorian year 365 d 5 h 49 min 12 s Average.
sidereal year 365 d 6 h 9 min 9.7635456 s
leap year 366 d 52 weeks and 2 d
biennium 2 yr
triennium 3 yr
quadrennium 4 yr
olympiad 4 yr
lustrum 5 yr
decade 10 yr
indiction 15 yr
gigasecond 109 s 16,666,666.6667 minutes or About 31.7 years.
jubilee 50 yr
century 100 yr
millennium 1000 yr Also called "kiloannum".
terasecond 1012 s 16,666,666,666.6667 minutes or about 31,700 years.
Megannum 106 yr Also called "Megayear." About 1,000 millennia (plural of millennium), or 1 million years.
petasecond 1015 s About 31,700,000 years
galactic year 2.3×108 yr[2] The amount of time it takes the Solar System to orbit the center of the Milky Way Galaxy one time.
cosmological decade varies 10 times the length of the previous
cosmological decade, with CÐ 1 beginning
either 10 seconds or 10 years after the
Big Bang, depending on the definition.
aeon 109 yr Also spelled "eon". Also refers to an indefinite period of time.
exasecond 1018 s About 31,700,000,000 years or 380,399,583,123.74 months
zettasecond 1021 s About 31.7 trillion years or 3,803,995,983,123,744.56 months
yottasecond 1024 s About 31.7 quadrillion years or 380,399,583,123,744,510 months

Complete list of Time converter units and its conversion.