Convert seconds to days
Seconds to days. Enter a value to convert, or use the seconds to days chart further down the page.
1 second equals 0.00001157407407 days. Going the other way, 1 day = 86,400 seconds.
Note. Months and years are not fixed lengths. This converter uses the average Gregorian year of 365.2425 days and the average month of one twelfth of that.
How to convert seconds to days
To convert seconds to days, multiply the second value by 0.00001157407407. You can also divide by 86400 to get the same answer.
d = s × 0.00001157407407
Worked example
Convert 30 s to days:
30 s = 0.0003472222222 d
seconds to days conversion chart
Use this seconds to days table for quick reference without typing anything.
| seconds (s) | days (d) |
|---|---|
| 1 s | 0.00001157407407 d |
| 2 s | 0.00002314814815 d |
| 5 s | 0.00005787037037 d |
| 10 s | 0.0001157407407 d |
| 15 s | 0.0001736111111 d |
| 30 s | 0.0003472222222 d |
| 45 s | 0.0005208333333 d |
| 60 s | 0.0006944444444 d |
| 100 s | 0.001157407407 d |
| 1,000 s | 0.01157407407 d |
What is a second?
The second is the SI base unit of time, defined by 9,192,631,770 periods of the radiation of the caesium-133 atom.
What is a day?
A day is exactly 86,400 seconds by definition. The Earth’s actual rotation drifts slightly from this, which is what leap seconds correct.
Frequently asked questions
How many days are in a second?
1 seconds equals 0.00001157407407 days. Going the other way, 1 days is 86,400 seconds.
How do you convert seconds to days?
To convert seconds to days, multiply the second value by 0.00001157407407. You can also divide by 86400 to get the same answer.
What is 10 seconds in days?
10 seconds equals 0.0001157407407 days. The conversion chart on this page lists the other values people look up most often.
Related time conversions
Convert seconds to other units
- days to seconds
- seconds to minutes
- seconds to hours
- seconds to weeks
- seconds to months
- seconds to years
- seconds to milliseconds
Convert other units to days
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