# day to millisecond conversion

Conversion number between day [d] and millisecond [ms] is 86400000. This means, that day is bigger unit than millisecond.

### Contents [show][hide]

Switch to reverse conversion:
from millisecond to day conversion

### Enter the number in day:

Decimal Fraction Exponential Expression
 [d]
eg.: 10.12345 or 1.123e5

Result in millisecond

?
 precision 0 1 2 3 4 5 6 7 8 9 [info] Decimal: Exponential:

### Calculation process of conversion value

• 1 day = (exactly) (86400) / (0.001) = 86400000 millisecond
• 1 millisecond = (exactly) (0.001) / (86400) = 1.1574074074074 × 10-8 day
• ? day × (86400  ("s"/"day")) / (0.001  ("s"/"millisecond")) = ? millisecond

### High precision conversion

If conversion between day to second and second to millisecond is exactly definied, high precision conversion from day to millisecond is enabled.

Decimal places: (0-800)

day
Result in millisecond:
?

### day to millisecond conversion chart

 Start value: [day] Step size [day] How many lines? (max 100)

visual:
daymillisecond
00
10864000000
201728000000
302592000000
403456000000
504320000000
605184000000
706048000000
806912000000
907776000000
1008640000000
1109504000000
Copy to Excel

## Multiple conversion

Enter numbers in day and click convert button.
One number per line.

Converted numbers in millisecond:
Click to select all

## Details about day and millisecond units:

Convert Day to other unit:

### day

Definition of day unit: = 24 h = 1440 min. One day (solar day) is period of time from noon to noon = 24 hours. A solar day is the time it takes for the Earth to rotate about its axis so that the Sun appears in the same position in the sky. 24 [h] × 3600 [s] = 86.4 [ks] = 86400 [s]

Convert Millisecond to other unit:

### millisecond

Definition of millisecond unit: ≡ 0.001 s. thousandth of second

← Back to Time units