How to Convert Days to Seconds
To convert days to seconds, multiply the value by 86400.
The Formula
Seconds = Days × 86400
Key Fact
1 day = 86400 seconds
Tip: To convert seconds back to days, divide by 86400.
Days to Seconds
Convert days (d) to seconds (s) with formulas, examples, and conversion tables.
d
s
1 d = 86400 s
Full precision:86400 s
Step-by-Step Solution
To convert 1 days to seconds, we multiply by 86400 because one day equals exactly 86400 seconds.
1 day = 86400 seconds
Since each day contains 86400 seconds, we multiply our value by this factor:
1 × 86400 = 86400 seconds
So 1 days = 86400 seconds.
Quick check: 86400 ÷ 86400 = 1 days
Example Conversions
Example 1: 1 d = 86400 s
1 × 86400 = 86400
1 × 86400 = 86400
Example 2: 5 d = 432000 s
5 × 86400 = 432000
5 × 86400 = 432000
Example 3: 10 d = 864000 s
10 × 86400 = 864000
10 × 86400 = 864000
Days to Seconds Table
| Days | Seconds |
|---|---|
| 1 d | 86400 s |
| 5 d | 432000 s |
| 10 d | 864000 s |
| 15 d | 1296000 s |
| 30 d | 2592000 s |
| 60 d | 5184000 s |
| 120 d | 10368000 s |
| 180 d | 15552000 s |
| 360 d | 31104000 s |
| 720 d | 62208000 s |
| 1440 d | 124416000 s |
1 Day in Other Units
| Unit | 1 d = |
|---|---|
| Days to Nanoseconds | 8.64e+13 ns |
| Days to Microseconds | 8.64e+10 μs |
| Days to Milliseconds | 86400000 ms |
| Days to Seconds | 86400 s |
| Days to Minutes | 1440 min |
| Days to Hours | 24 h |
| Days to Weeks | 0.14286 wk |
| Days to Months | 0.032855 mo |
| Days to Years | 0.0027379 yr |
| Days to Decades | 0.00027379 dec |
| Days to Centuries | 0.00002738 cen |