How to Use How many Seconds in a day Calculator

Enter the amount of days.

Press Calculate

How many Seconds in a day Calculator


One day is equal to 86400 seconds therefore to find the amount of seconds in 3 days we use 3 x 86400.

Formula used to find how many seconds are in a day is: 1 DAy = 24 hours/day x 60 minutes/hour x 60 seconds/minute = 86400.

How many Minutes in a day
Days # Seconds Days # Seconds Days # Seconds
1 86,400 11 950,400 21 1,814,400
2 172,800 12 1,036,800 22 1,900,800
3 259,200 13 1,123,200 23 1,987,200
4 345,600 14 1,209,600 24 2,073,600
5 432,000 15 1,296,000 25 2,160,000
6 518,400 16 1,382,400 26 2,246,400
7 604,800 17 1,468,800 27 2,332,800
8 691,200 18 1,555,200 28 2,419,200
9 777,600 19 1,641,600 29 2,505,600
10 864,000 20 1,728,000 30 2,592,000