# Day to Second Conversion

## Day to Second Conversion - Convert Day to Second (d to s)

### You are currently converting Time units from Day to Second

1 Day (d)

=

86400 Second (s)

Day : A day (symbol: d) is a unit of time which is equal to 24 hours or 86,400 seconds. It is not a SI unit, but it is accepted for use with SI. Apart from the day of 86,400 seconds, the unit day is also used for several different spans of time which are based on the rotation of the Earth around its axis.

Second : The second (symbol: s) is the base unit of time in the International System of Units (SI), it is also the base unit of time in the centimeter-gram-second systems. The second has been defined as the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium 133 atom. SI prefixes are usually used for measuring time less than a second, such as the millisecond, the microsecond and the nanosecond, but for the time multiples of a second, used the non-SI units minutes, hours, days, years and so on.

### Time Conversion Calculator

1 Day = 86400 Second

### FAQ about Day to Second Conversion

1 day (d) is equal to 86400 second (s).

1d = 86400s

The time t in second (s) is equal to the time t in day (d) times 86400, that conversion formula:

t(s) = t(d) × 86400

One Day is equal to 86400 Second:

1d = 1d × 86400 = 86400s

1000 Second is equal to 0.01157 Day:

1000s = 1000s / 86400 = 0.01157d

t(s) = 5(d) × 86400 = 432000s