Converting Hours to Seconds
Hours to seconds conversion is crucial in programming, science, and technical fields. Computer timers, API rate limits, and experiments often require time in seconds.
The conversion: 1 hour = 60 minutes × 60 seconds = 3,600 seconds.
Technical Applications
- Programming - setTimeout, setInterval in milliseconds
- APIs - Rate limits and token expiration
- Science - Experiment duration tracking
- Video production - Timeline calculations
- Audio engineering - Sample rate calculations
Reference Table
| Hours | Seconds |
|---|---|
| 0.5 | 1,800 |
| 1 | 3,600 |
| 2 | 7,200 |
| 8 | 28,800 |
| 12 | 43,200 |
| 24 | 86,400 |
How to Convert Hours to Seconds
Steps
- Enter hours in the input
- See seconds calculated instantly
- Copy for your code or calculations
The Formula
Seconds = Hours × 3,600
Examples
- 2 hours: 2 × 3,600 = 7,200 seconds
- 8 hours: 8 × 3,600 = 28,800 seconds
- 0.5 hours: 0.5 × 3,600 = 1,800 seconds
Programming Context
For JavaScript timers (which use milliseconds):
- 1 hour = 3,600,000 ms
- Seconds × 1000 = milliseconds
Features
Precise Calculation
Exact multiplication by 3,600 - no rounding errors.
Instant Results
Seconds appear immediately as you type hours.
Bidirectional
Swap to convert seconds back to hours.
Copy Ready
Copy results directly into code, spreadsheets, or documentation.
Reference Table
Common hour-to-second conversions displayed.
Developer Friendly
- Clean numbers - Easy to copy into code
- High precision - Decimal hours supported
- No dependencies - Works offline
Frequently Asked Questions
How many seconds in 1 hour?
1 hour equals exactly 3,600 seconds (60 minutes × 60 seconds).
How many seconds in 24 hours?
24 hours equals 86,400 seconds. This is one full day in seconds.
How do I use this for JavaScript setTimeout?
Multiply seconds by 1000 for milliseconds. For 1 hour: 3,600 × 1000 = 3,600,000 ms.
How many seconds in an 8-hour workday?
8 hours equals 28,800 seconds.
Why is 3600 the magic number?
It's 60 × 60. There are 60 seconds in a minute and 60 minutes in an hour, giving 3,600 seconds per hour.
What's 30 minutes in seconds?
30 minutes (0.5 hours) equals 1,800 seconds.
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