Time
Days to Seconds
Convert days to seconds instantly.
About this conversion
Days (d) are the foundation of calendars and used to indicate duration in everyday life. Seconds (s) are the SI base unit for time and form the foundation of all other time units. Use the converter above to quickly go from days to seconds.
How to use
Enter a value in the days field and instantly see the result in seconds. Click the swap button to reverse the conversion.
Manual calculation
1 days = 86,400 seconds. Example: 10 d = 864,000 s.
Frequently asked questions
How many seconds are in 1 days?
1 Days equals 86,400 seconds.
When do you use seconds?
Seconds (s) are the SI base unit for time and form the foundation of all other time units.