| femtosecond | 1 fs | 2 fs | 3 fs | 4 fs | 5 fs | 6 fs | 7 fs | 8 fs | 9 fs | 10 fs | 11 fs | 12 fs | 13 fs | 14 fs | 15 fs | 16 fs | 17 fs | 18 fs | 19 fs | 20 fs | 21 fs | 22 fs | 23 fs | 24 fs | 25 fs | 26 fs | 27 fs | 28 fs | 29 fs | 30 fs | 31 fs | 32 fs | 33 fs | 34 fs | 35 fs | 36 fs | 37 fs | 38 fs | 39 fs | 40 fs | 41 fs | 42 fs | 43 fs | 44 fs | 45 fs | 46 fs | 47 fs | 48 fs | 49 fs | 50 fs | 51 fs | 52 fs | 53 fs | 54 fs | 55 fs | 56 fs | 57 fs | 58 fs | 59 fs | 60 fs | 61 fs | 62 fs | 63 fs | 64 fs | 65 fs | 66 fs | 67 fs | 68 fs | 69 fs | 70 fs | 71 fs | 72 fs | 73 fs | 74 fs | 75 fs | 76 fs | 77 fs | 78 fs | 79 fs | 80 fs | 81 fs | 82 fs | 83 fs | 84 fs | 85 fs | 86 fs | 87 fs | 88 fs | 89 fs | 90 fs | 91 fs | 92 fs | 93 fs | 94 fs | 95 fs | 96 fs | 97 fs | 98 fs | 99 fs | 100 fs |
| hour | 2.7777777777778 × 10-19 h | 5.5555555555556 × 10-19 h | 8.3333333333333 × 10-19 h | 1.1111111111111 × 10-18 h | 1.3888888888889 × 10-18 h | 1.6666666666667 × 10-18 h | 1.9444444444444 × 10-18 h | 2.2222222222222 × 10-18 h | 2.5 × 10-18 h | 2.7777777777778 × 10-18 h | 3.0555555555556 × 10-18 h | 3.3333333333333 × 10-18 h | 3.6111111111111 × 10-18 h | 3.8888888888889 × 10-18 h | 4.1666666666667 × 10-18 h | 4.4444444444444 × 10-18 h | 4.7222222222222 × 10-18 h | 5.0 × 10-18 h | 5.2777777777778 × 10-18 h | 5.5555555555556 × 10-18 h | 5.8333333333333 × 10-18 h | 6.1111111111111 × 10-18 h | 6.3888888888889 × 10-18 h | 6.6666666666667 × 10-18 h | 6.9444444444444 × 10-18 h | 7.2222222222222 × 10-18 h | 7.5 × 10-18 h | 7.7777777777778 × 10-18 h | 8.0555555555556 × 10-18 h | 8.3333333333333 × 10-18 h | 8.6111111111111 × 10-18 h | 8.8888888888889 × 10-18 h | 9.1666666666667 × 10-18 h | 9.4444444444444 × 10-18 h | 9.7222222222222 × 10-18 h | 1.0 × 10-17 h | 1.0277777777778 × 10-17 h | 1.0555555555556 × 10-17 h | 1.0833333333333 × 10-17 h | 1.1111111111111 × 10-17 h | 1.1388888888889 × 10-17 h | 1.1666666666667 × 10-17 h | 1.1944444444444 × 10-17 h | 1.2222222222222 × 10-17 h | 1.25 × 10-17 h | 1.2777777777778 × 10-17 h | 1.3055555555556 × 10-17 h | 1.3333333333333 × 10-17 h | 1.3611111111111 × 10-17 h | 1.3888888888889 × 10-17 h | 1.4166666666667 × 10-17 h | 1.4444444444444 × 10-17 h | 1.4722222222222 × 10-17 h | 1.5 × 10-17 h | 1.5277777777778 × 10-17 h | 1.5555555555556 × 10-17 h | 1.5833333333333 × 10-17 h | 1.6111111111111 × 10-17 h | 1.6388888888889 × 10-17 h | 1.6666666666667 × 10-17 h | 1.6944444444444 × 10-17 h | 1.7222222222222 × 10-17 h | 1.75 × 10-17 h | 1.7777777777778 × 10-17 h | 1.8055555555556 × 10-17 h | 1.8333333333333 × 10-17 h | 1.8611111111111 × 10-17 h | 1.8888888888889 × 10-17 h | 1.9166666666667 × 10-17 h | 1.9444444444444 × 10-17 h | 1.9722222222222 × 10-17 h | 2.0 × 10-17 h | 2.0277777777778 × 10-17 h | 2.0555555555556 × 10-17 h | 2.0833333333333 × 10-17 h | 2.1111111111111 × 10-17 h | 2.1388888888889 × 10-17 h | 2.1666666666667 × 10-17 h | 2.1944444444444 × 10-17 h | 2.2222222222222 × 10-17 h | 2.25 × 10-17 h | 2.2777777777778 × 10-17 h | 2.3055555555556 × 10-17 h | 2.3333333333333 × 10-17 h | 2.3611111111111 × 10-17 h | 2.3888888888889 × 10-17 h | 2.4166666666667 × 10-17 h | 2.4444444444444 × 10-17 h | 2.4722222222222 × 10-17 h | 2.5 × 10-17 h | 2.5277777777778 × 10-17 h | 2.5555555555556 × 10-17 h | 2.5833333333333 × 10-17 h | 2.6111111111111 × 10-17 h | 2.6388888888889 × 10-17 h | 2.6666666666667 × 10-17 h | 2.6944444444444 × 10-17 h | 2.7222222222222 × 10-17 h | 2.75 × 10-17 h | 2.7777777777778 × 10-17 h |
Femtosecond is equal to 10-15second (unit of time), comes from a combination of the metric prefix femto (f) with the second (s). Plural name is femseconds with symbol is fs.
| 1 femtoseconds = 2.7777777777778E-19 hours | 6 femtoseconds = 1.6666666666667E-18 hours |
| 2 femtoseconds = 5.5555555555556E-19 hours | 7 femtoseconds = 1.9444444444444E-18 hours |
| 3 femtoseconds = 8.3333333333333E-19 hours | 8 femtoseconds = 2.2222222222222E-18 hours |
| 4 femtoseconds = 1.1111111111111E-18 hours | 9 femtoseconds = 2.5E-18 hours |
| 5 femtoseconds = 1.3888888888889E-18 hours | 10 femtoseconds = 2.7777777777778E-18 hours |
An hour (symbol: h; also abbreviated hr.) is a unit of time conventionally reckoned as 1⁄24 of a day and scientifically reckoned as 3,599–3,601 seconds, depending on conditions.
| 1 hours = 3.6E+18 femtoseconds | 6 hours = 2.16E+19 femtoseconds |
| 2 hours = 7.2E+18 femtoseconds | 7 hours = 2.52E+19 femtoseconds |
| 3 hours = 1.08E+19 femtoseconds | 8 hours = 2.88E+19 femtoseconds |
| 4 hours = 1.44E+19 femtoseconds | 9 hours = 3.24E+19 femtoseconds |
| 5 hours = 1.8E+19 femtoseconds | 10 hours = 3.6E+19 femtoseconds |
| 1 femtoseconds = 2.7777777777778 × 10-19 hours |
| 1 hours = 3.6 × 1018 femtoseconds |