second | 1 s | 2 s | 3 s | 4 s | 5 s | 6 s | 7 s | 8 s | 9 s | 10 s | 11 s | 12 s | 13 s | 14 s | 15 s | 16 s | 17 s | 18 s | 19 s | 20 s | 21 s | 22 s | 23 s | 24 s | 25 s | 26 s | 27 s | 28 s | 29 s | 30 s | 31 s | 32 s | 33 s | 34 s | 35 s | 36 s | 37 s | 38 s | 39 s | 40 s | 41 s | 42 s | 43 s | 44 s | 45 s | 46 s | 47 s | 48 s | 49 s | 50 s | 51 s | 52 s | 53 s | 54 s | 55 s | 56 s | 57 s | 58 s | 59 s | 60 s | 61 s | 62 s | 63 s | 64 s | 65 s | 66 s | 67 s | 68 s | 69 s | 70 s | 71 s | 72 s | 73 s | 74 s | 75 s | 76 s | 77 s | 78 s | 79 s | 80 s | 81 s | 82 s | 83 s | 84 s | 85 s | 86 s | 87 s | 88 s | 89 s | 90 s | 91 s | 92 s | 93 s | 94 s | 95 s | 96 s | 97 s | 98 s | 99 s | 100 s |
centisecond | 100 cs | 200 cs | 300 cs | 400 cs | 500 cs | 600 cs | 700 cs | 800 cs | 900 cs | 1 000 cs | 1 100 cs | 1 200 cs | 1 300 cs | 1 400 cs | 1 500 cs | 1 600 cs | 1 700 cs | 1 800 cs | 1 900 cs | 2 000 cs | 2 100 cs | 2 200 cs | 2 300 cs | 2 400 cs | 2 500 cs | 2 600 cs | 2 700 cs | 2 800 cs | 2 900 cs | 3 000 cs | 3 100 cs | 3 200 cs | 3 300 cs | 3 400 cs | 3 500 cs | 3 600 cs | 3 700 cs | 3 800 cs | 3 900 cs | 4 000 cs | 4 100 cs | 4 200 cs | 4 300 cs | 4 400 cs | 4 500 cs | 4 600 cs | 4 700 cs | 4 800 cs | 4 900 cs | 5 000 cs | 5 100 cs | 5 200 cs | 5 300 cs | 5 400 cs | 5 500 cs | 5 600 cs | 5 700 cs | 5 800 cs | 5 900 cs | 6 000 cs | 6 100 cs | 6 200 cs | 6 300 cs | 6 400 cs | 6 500 cs | 6 600 cs | 6 700 cs | 6 800 cs | 6 900 cs | 7 000 cs | 7 100 cs | 7 200 cs | 7 300 cs | 7 400 cs | 7 500 cs | 7 600 cs | 7 700 cs | 7 800 cs | 7 900 cs | 8 000 cs | 8 100 cs | 8 200 cs | 8 300 cs | 8 400 cs | 8 500 cs | 8 600 cs | 8 700 cs | 8 800 cs | 8 900 cs | 9 000 cs | 9 100 cs | 9 200 cs | 9 300 cs | 9 400 cs | 9 500 cs | 9 600 cs | 9 700 cs | 9 800 cs | 9 900 cs | 10 000 cs |
The second (symbol: s) (abbreviated s or sec) is the base unit of time in the International System of Units / Système International d'Unités (SI).
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
second | s | time of 9192631770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium 133 atom at 0 K(but other seconds are sometimes used in astronomy). Also that time it takes for light to travel a distance of 299792458 metres. | ≡ 1 second | Metric system SI |
seconds | centiseconds | seconds | centiseconds |
---|---|---|---|
1 | ≡ 100 | 6 | ≡ 600 |
2 | ≡ 200 | 7 | ≡ 700 |
3 | ≡ 300 | 8 | ≡ 800 |
4 | ≡ 400 | 9 | ≡ 900 |
5 | ≡ 500 | 10 | ≡ 1000 |
Centisecond is equal to 10-2 second (unit of time), comes from a combination of the metric prefix centi (c) with the second (s). Plural name is centiseconds.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
centisecond | cs | ≡ 10-2 second | ≡ 0.01 second | Metric system SI |
centiseconds | seconds | centiseconds | seconds |
---|---|---|---|
1 | ≡ 0.01 | 6 | ≡ 0.06 |
2 | ≡ 0.02 | 7 | ≡ 0.07 |
3 | ≡ 0.03 | 8 | ≡ 0.08 |
4 | ≡ 0.04 | 9 | ≡ 0.09 |
5 | ≡ 0.05 | 10 | ≡ 0.1 |
seconds | centiseconds |
---|---|
1 | ≡ 100 |
0.01 | ≡ 1 |
Symbol | Definition |
---|---|
≡ | exactly equal |
≈ | approximately equal to |
= | equal to |
digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |