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 |
millisecond | 1 000 ms | 2 000 ms | 3 000 ms | 4 000 ms | 5 000 ms | 6 000 ms | 7 000 ms | 8 000 ms | 9 000 ms | 10 000 ms | 11 000 ms | 12 000 ms | 13 000 ms | 14 000 ms | 15 000 ms | 16 000 ms | 17 000 ms | 18 000 ms | 19 000 ms | 20 000 ms | 21 000 ms | 22 000 ms | 23 000 ms | 24 000 ms | 25 000 ms | 26 000 ms | 27 000 ms | 28 000 ms | 29 000 ms | 30 000 ms | 31 000 ms | 32 000 ms | 33 000 ms | 34 000 ms | 35 000 ms | 36 000 ms | 37 000 ms | 38 000 ms | 39 000 ms | 40 000 ms | 41 000 ms | 42 000 ms | 43 000 ms | 44 000 ms | 45 000 ms | 46 000 ms | 47 000 ms | 48 000 ms | 49 000 ms | 50 000 ms | 51 000 ms | 52 000 ms | 53 000 ms | 54 000 ms | 55 000 ms | 56 000 ms | 57 000 ms | 58 000 ms | 59 000 ms | 60 000 ms | 61 000 ms | 62 000 ms | 63 000 ms | 64 000 ms | 65 000 ms | 66 000 ms | 67 000 ms | 68 000 ms | 69 000 ms | 70 000 ms | 71 000 ms | 72 000 ms | 73 000 ms | 74 000 ms | 75 000 ms | 76 000 ms | 77 000 ms | 78 000 ms | 79 000 ms | 80 000 ms | 81 000 ms | 82 000 ms | 83 000 ms | 84 000 ms | 85 000 ms | 86 000 ms | 87 000 ms | 88 000 ms | 89 000 ms | 90 000 ms | 91 000 ms | 92 000 ms | 93 000 ms | 94 000 ms | 95 000 ms | 96 000 ms | 97 000 ms | 98 000 ms | 99 000 ms | 100 000 ms |
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 | milliseconds | seconds | milliseconds |
---|---|---|---|
1 | ≡ 1000 | 6 | ≡ 6000 |
2 | ≡ 2000 | 7 | ≡ 7000 |
3 | ≡ 3000 | 8 | ≡ 8000 |
4 | ≡ 4000 | 9 | ≡ 9000 |
5 | ≡ 5000 | 10 | ≡ 10000 |
Millisecond is equal to 10-3 second (unit of time), comes from a combination of the metric prefix milli (m) with the second (s). Plural name is milliseconds.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
millisecond | ms | ≡ 10-3 second | ≡ 0.001 second | Metric system SI |
milliseconds | seconds | milliseconds | seconds |
---|---|---|---|
1 | ≡ 0.001 | 6 | ≡ 0.006 |
2 | ≡ 0.002 | 7 | ≡ 0.007 |
3 | ≡ 0.003 | 8 | ≡ 0.008 |
4 | ≡ 0.004 | 9 | ≡ 0.009 |
5 | ≡ 0.005 | 10 | ≡ 0.01 |
seconds | milliseconds |
---|---|
1 | ≡ 1 000 |
0.001 | ≡ 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 …) |