Use the calculator above to convert Days (d) to Seconds (s) instantly, or check the reference table and answers below. 1 Day equals 86400.000000 s.
To convert Days to Seconds, multiply the Days value by 86400. To go the other way, divide by 86400 instead.
How many Seconds are in 1 Day?
1 Day (d) equals 86400.000000 s.
How many Seconds are in 10 Days?
10 Days (d) equals 864000.000000 s.
Symbol: d
A day is a unit of time equal to 24 hours, based on one full rotation of the Earth on its axis.
Symbol: s
A second is the SI base unit of time, the smallest commonly used unit in everyday timekeeping.
| Days [d] | Seconds [s] |
|---|---|
| 0.01 d | 864.000000 s |
| 0.1 d | 8640.000000 s |
| 1 d | 86400.000000 s |
| 2 d | 172800.000000 s |
| 3 d | 259200.000000 s |
| 5 d | 432000.000000 s |
| 10 d | 864000.000000 s |
| 20 d | 1728000.000000 s |
| 50 d | 4320000.000000 s |
| 100 d | 8640000.000000 s |
| 1000 d | 86400000.000000 s |