The conversion of 1 hour to seconds equals 3600 seconds.
One hour contains 60 minutes, and each minute has 60 seconds. So, to convert hours into seconds, multiply the number of hours by 60 (minutes per hour) and then by 60 again (seconds per minute). Therefore, 1 hour equals 1 × 60 × 60 = 3600 seconds.
Conversion Result
1 hour is equal to 3600 seconds.
Conversion Tool
Result in s:
Conversion Formula
The formula to convert hours to seconds is: seconds = hours × 3600. It works because there are 60 minutes in an hour, and each minute has 60 seconds. Multiplying these gives 60 × 60 = 3600 seconds in an hour. For example, 2 hours: 2 × 3600 = 7200 seconds.
Conversion Example
- Convert 2 hours:
- Start with 2 hours.
- Multiply 2 by 3600 (seconds per hour).
- 2 × 3600 = 7200 seconds.
- So, 2 hours equals 7200 seconds.
- Convert 0.5 hours:
- Start with 0.5 hours.
- Multiply 0.5 by 3600.
- 0.5 × 3600 = 1800 seconds.
- Thus, half an hour is 1800 seconds.
- Convert 3.75 hours:
- Start with 3.75 hours.
- Multiply 3.75 by 3600.
- 3.75 × 3600 = 13500 seconds.
- Therefore, 3.75 hours is 13500 seconds.
Conversion Chart
| Hours | Seconds |
|---|---|
| -24.0 | -86400 |
| -20.0 | -72000 |
| -16.0 | -57600 |
| -12.0 | -43200 |
| -8.0 | -28800 |
| -4.0 | -14400 |
| 0.0 | 0 |
| 4.0 | 14400 |
| 8.0 | 28800 |
| 12.0 | 43200 |
| 16.0 | 57600 |
| 20.0 | 72000 |
| 24.0 | 86400 |
| 26.0 | 93600 |
This chart shows how specific hour values convert into seconds. Use it to quickly find seconds for any hour value listed. For values outside this range, multiply hours by 3600 for exact seconds.
Related Conversion Questions
- How many seconds are in 1.5 hours?
- What is the equivalent of 0.25 hours in seconds?
- Convert 5 hours into seconds, what is the answer?
- How do I convert 10 hours to seconds manually?
- Is there a quick way to find seconds from hours without calculator?
- How many seconds are in 24 hours?
Conversion Definitions
Hour
An hour is a time unit equal to 60 minutes or 3600 seconds, used to measure durations or intervals in daily life, and based on the Earth’s rotation relative to the sun, standardized internationally for timekeeping.
S
The second (s) is the basic unit of time in the International System, defined as the duration of 9,192,631,770 periods of radiation corresponding to the transition between two hyperfine levels of cesium-133 atoms.
Conversion FAQs
How long is 1 hour in seconds exactly?
One hour equals 3600 seconds because there are 60 seconds in a minute and 60 minutes in an hour, so multiplying these gives 60 × 60 = 3600 seconds per hour.
Can I convert hours to seconds for negative values?
Yes, negative hours simply convert to negative seconds using the same multiplication, so -3 hours equals -10800 seconds, indicating a time before a reference point or in reverse calculations.
Why is the number of seconds in an hour always 3600?
This is based on the definition of the hour as 60 minutes, and each minute as 60 seconds, making the total seconds in an hour 60 multiplied by 60, which is 3600.