Converting Days to Seconds
Days to seconds conversion is essential for programming, especially when working with Unix timestamps and precise timers. Knowing exact seconds helps with calculations and system operations.
The conversion: 1 day = 86,400 seconds (24 × 60 × 60).
Technical Applications
- Unix timestamps - Epoch time calculations
- Countdown timers - Precise day-based countdowns
- Cache expiration - Multi-day TTL settings
- Scientific experiments - Long-duration timing
- Database queries - Date range calculations
Reference Table
| Days | Seconds |
|---|---|
| 0.5 | 43,200 |
| 1 | 86,400 |
| 7 | 604,800 |
| 30 | 2,592,000 |
| 365 | 31,536,000 |
How to Convert Days to Seconds
Steps
- Enter days
- See seconds instantly
- Copy for code or calculations
The Formula
Seconds = Days × 86,400
Examples
- 7 days: 7 × 86,400 = 604,800 seconds
- 30 days: 30 × 86,400 = 2,592,000 seconds
- 0.5 days: 0.5 × 86,400 = 43,200 seconds
Features
Precise Calculation
Accurate multiplication by 86,400.
Instant Results
Seconds appear as you type.
Reversible
Swap for seconds to days.
Copy Ready
Copy directly into code.
Developer Tools
- Timers - Multi-day countdowns
- Caching - Expiration settings
- Databases - Date calculations
Frequently Asked Questions
How many seconds in a day?
One day contains exactly 86,400 seconds.
What is 7 days in seconds?
7 days equals 604,800 seconds (1 week).
How many seconds in a year?
365 days = 31,536,000 seconds. Leap year: 31,622,400 seconds.
Why is 86400 important in programming?
It's the number of seconds in a day, commonly used for date calculations and Unix time operations.
What is half a day in seconds?
Half a day (12 hours) equals 43,200 seconds.
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