Days to Seconds Converter
CommonSeconds, minutes, hours, days and beyond.
How to convert Days to Seconds
Multiply the days value by 86,400: 1 d = 86,400 s. Going the other way, 1 s = 1.1574e-5 d, so divide by 86,400 or use the Seconds to Days converter.
About these units
Days (d)
A day is 24 hours, or 86,400 seconds. A calendar day can be one second longer when a leap second is added.
Seconds (s)
The second is the SI base unit of time, defined by the frequency of a transition in the caesium-133 atom. All other time units are built from it.
Days to Seconds conversion table
| Days (d) | Seconds (s) |
|---|---|
| 1 d | 86,400 s |
| 2 d | 172,800 s |
| 3 d | 259,200 s |
| 4 d | 345,600 s |
| 5 d | 432,000 s |
| 10 d | 864,000 s |
| 20 d | 1.728e+6 s |
| 25 d | 2.16e+6 s |
| 50 d | 4.32e+6 s |
| 100 d | 8.64e+6 s |
| 500 d | 4.32e+7 s |
| 1,000 d | 8.64e+7 s |