day d
24 hours. Calendar day.
Quick convert — day to popular units
Live converter, three directions. Type any value to update all three.
day
second
1 d = 86,400s
day
millisecond
1 d = 86,400,000ms
day
microsecond
1 d = 86,400,000,000μs
Conversion table — day to every Time unit
All values for 1 d (forward) and 1 reverse unit → {symbol}.
| To / From | 1 d = | 1 to-unit = |
|---|---|---|
| second (s) | 86,400 s | 1.157407e-5 d |
| millisecond (ms) | 86,400,000 ms | 1.157407e-8 d |
| microsecond (μs) | 86,400,000,000 μs | 1.157407e-11 d |
| nanosecond (ns) | 8.640000e+13 ns | 1.157407e-14 d |
| minute (min) | 1,440 min | 0.00069444 d |
| hour (h) | 24 h | 0.04166667 d |
| week (wk) | 0.14285714 wk | 7 d |
| fortnight (fn) | 0.07142857 fn | 14 d |
| year (yr) | 0.00273785 yr | 365.25 d |
| decade (dec) | 0.00027379 dec | 3,652.5 d |
| century (c) | 2.737851e-5 c | 36,525 d |
Frequently Asked Questions
What does d stand for?
day (d) is a unit of Time.
How many d are in 1 s?
1 s = 86,400 d, so 1 d = 1.1574e-5 s.
Is this the SI base unit?
No. day is one of several units in the Time category. The SI base is s.
Common conversions from day
#1
day (d) → second (s)
Convert day (d) to second.
#2day (d) → millisecond (ms)
Convert day (d) to millisecond.
#3day (d) → microsecond (μs)
Convert day (d) to microsecond.
#4day (d) → nanosecond (ns)
Convert day (d) to nanosecond.
#5day (d) → minute (min)
Convert day (d) to minute.
#6day (d) → hour (h)
Convert day (d) to hour.
#7day (d) → week (wk)
Convert day (d) to week.
#8day (d) → fortnight (fn)
Convert day (d) to fortnight.