Days to Seconds calculator

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How to use it?

To use the calculator, place your cursor in the desired unit field and write a number.The calculator will automatically convert your number and display the result in the other unit fields. If needed use the dot "." as the decimal separator.

Rounding: 
d
s

Days to Seconds formula

Seconds to Days formula


Days to Seconds Conversion Table

Below you can generate and download as CSV, Excel, PDF or print the Days to Seconds conversion table based on your needs.

Selected rounding: none (You can change it above in the dropdown)

From:
To:
Increment:
d s d s d s d s
1 86400 26 2246400 51 4406400 76 6566400
2 172800 27 2332800 52 4492800 77 6652800
3 259200 28 2419200 53 4579200 78 6739200
4 345600 29 2505600 54 4665600 79 6825600
5 432000 30 2592000 55 4752000 80 6912000
6 518400 31 2678400 56 4838400 81 6998400
7 604800 32 2764800 57 4924800 82 7084800
8 691200 33 2851200 58 5011200 83 7171200
9 777600 34 2937600 59 5097600 84 7257600
10 864000 35 3024000 60 5184000 85 7344000
11 950400 36 3110400 61 5270400 86 7430400
12 1036800 37 3196800 62 5356800 87 7516800
13 1123200 38 3283200 63 5443200 88 7603200
14 1209600 39 3369600 64 5529600 89 7689600
15 1296000 40 3456000 65 5616000 90 7776000
16 1382400 41 3542400 66 5702400 91 7862400
17 1468800 42 3628800 67 5788800 92 7948800
18 1555200 43 3715200 68 5875200 93 8035200
19 1641600 44 3801600 69 5961600 94 8121600
20 1728000 45 3888000 70 6048000 95 8208000
21 1814400 46 3974400 71 6134400 96 8294400
22 1900800 47 4060800 72 6220800 97 8380800
23 1987200 48 4147200 73 6307200 98 8467200
24 2073600 49 4233600 74 6393600 99 8553600
25 2160000 50 4320000 75 6480000 100 8640000

  • Day (24h)
    A day, a unit of time, is approximately the period of time during which the Earth completes one rotation with respect to the Sun (solar day). In 1960, the second was redefined in terms of the orbital motion of the Earth in year 1900, and was designated the SI base unit of time. The unit of measurement "day", was redefined as 86 400 SI seconds and symbolized d. In 1967, the second and so the day were redefined by atomic electron transition. A civil day is usually 86 400 seconds, plus or minus a possible leap second in Coordinated Universal Time (UTC), and occasionally plus or minus an hour in those locations that change from or to daylight saving time.
  • Second (0.00027777h)
    The second is the SI base unit of time, commonly understood and historically defined as 1⁄86400 of a day – this factor derived from the division of the day first into 24 hours, then to 60 minutes and finally to 60 seconds each. Another intuitive understanding is that it is about the time between beats of a human heart. Mechanical and electric clocks and watches usually have a face with 60 tickmarks representing seconds and minutes, traversed by a second hand and minute hand. Digital clocks and watches often have a two-digit counter that cycles through seconds. In common parlance, a "clock tick" is a second, though most modern clocks are digital electronic, and do not actually tick. The second is also part of several other units of measurement like velocity, acceleration, and frequency. Though the historical definition of the unit was based upon this division of the Earth's rotation cycle, the formal definition in the International System of Units SI is a much steadier timekeeper: 1 second is defined to be exactly 9 192 631 770 cycles of a Caesium atomic clock. Because the Earth's rotation varies and is also slowing ever so slightly, a leap second is added to clock time to keep clocks in sync with Earth's rotation.
Tags Days to Seconds d to s Days d Seconds s converter calculator conversion table

Time and date

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Seconds to Nanoseconds
Seconds to Picoseconds
Seconds to Femtoseconds
Seconds to Attoseconds