Hours To Seconds Conversion


1 hr = 3,600 s

Want to convert from seconds to hours instead?

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How to convert hours to seconds (hr to s)

There are 60 seconds in a minute and 60 minutes in an hour. To find out how many seconds are in an hour, you multiply the number of seconds in a minute (60) by the number of minutes in an hour (60): seconds = hours × 3,600.

Example Conversion

Let's take a look at an example. The step-by-step process to convert 3 hours to seconds is:

  1. Understand the conversion formula: s = hr × 3600
  2. Substitute the required value. In this case we substitute 3 for hr so the formula becomes: s = 3 × 3600
  3. Calculate the result using the provided values. In our example the result is: 3 × 3600 = 10800 s

In summary, 3 hours is equal to 10800 seconds.

Converting seconds to hours

In order to convert the other way around i.e. seconds to hours, you would use the following formula: hr = s ÷ 3600. To convert seconds to hours first substitute the second value into the above formula, and then execute the calculation. If we wanted to calculate 1 second in hours we follow these steps:

hr = s ÷ 3600

hr = 1 ÷ 3600

hr = 0.000277777777777777777777777777778

Or in other words, 1 second is equal to 0.000277777777777777777777777777778 hours.

Conversion Unit Definitions

What is a Hour?

An hour is a unit of time measurement that represents 60 minutes or 1/24th of a day. It is a commonly used unit for measuring time in various aspects of daily life, such as scheduling, work hours, and timekeeping.
To provide an example of an hour, let's consider a typical workday. In many countries, a standard workday consists of 8 hours. This means that employees are expected to work for 8 hours in a day, with breaks and lunchtime accounted for separately.
Another example is in travel. If you are planning a road trip and estimate that the driving distance between two cities is 300 kilometers, you can roughly calculate the travel time by considering an average driving speed. Assuming an average speed of 60 kilometers per hour, you can estimate that the travel time would be approximately 5 hours.
In television programming, shows are often scheduled to air at specific times within an hour. For instance, a show might be scheduled to start at 8:30 PM and end at 9:30 PM, indicating a duration of one hour.
On digital clocks or watches, the time is typically displayed in hours and minutes. For example, if the clock reads "3:45," it means that it is 3 hours and 45 minutes past midnight.
In summary, an hour is a unit of time measurement that represents 60 minutes or 1/24th of a day. The examples of work hours, travel time, television scheduling, and time displayed on digital clocks highlight how hours are commonly used to measure and organize time in various contexts.

What is a Second?

A second (s) is the base unit of time measurement in the International System of Units (SI). It is defined as the duration of 9,192,631,770 periods of the radiation corresponding to the transition between two hyperfine levels of the ground state of the cesium-133 atom.
To provide an example of a second, let's consider a simple action like snapping your fingers. The time it takes for the sound of a finger snap to occur is typically on the order of milliseconds, which is a fraction of a second. However, if we zoom in further, a second can be divided into smaller units such as milliseconds, microseconds, and nanoseconds.
For instance, if we take 1 second and divide it into smaller intervals of 1 millisecond each, we would have 1,000 milliseconds in a second. Each millisecond represents a thousandth of a second. This level of precision is often used in fields that require accurate time measurement, such as scientific experiments, computing, and telecommunications.
In everyday life, we use seconds as a fundamental unit of time to measure durations, intervals, and clock time. For example, when you count "1...2...3...," each count represents a second. When you check the time on a clock, it displays the hours, minutes, and seconds elapsed since midnight.
Additionally, seconds are crucial in measuring the speed of events, such as the time it takes for a car to accelerate from 0 to 60 miles per hour or the duration of a short video clip.
In summary, a second (s) is the base unit of time in the SI system. It represents the duration of 9,192,631,770 periods of the radiation corresponding to the transition between two hyperfine levels of the cesium-133 atom. The example of snapping your fingers highlights how seconds are used to measure everyday durations, and they can be further divided into smaller units like milliseconds for more precise time measurement.

Hours To Seconds Conversion Table

Below is a lookup table showing common hours to seconds conversion values.

Hour (hr)Second (s)
0.1 hr360 s
0.2 hr720 s
0.3 hr1080 s
0.4 hr1440 s
0.5 hr1800 s
0.6 hr2160 s
0.7 hr2520 s
0.8 hr2880 s
0.9 hr3240 s
1 hr3600 s
1.1 hr3960 s
1.2 hr4320 s
1.3 hr4680 s
1.4 hr5040 s
1.5 hr5400 s
1.6 hr5760 s
1.7 hr6120 s
1.8 hr6480 s
1.9 hr6840 s
2 hr7200 s

Other Common Hour Conversions

Below is a table of common conversions from hours to other time units.

1 hour in milliseconds3600000 ms
1 hour in minutes60 min
1 hour in days0.0416666666666666666666666666667 d
1 hour in weeks0.00595238095238095238095238095238 wk
1 hour in months0.00136986301369863013698630136986 mo
1 hour in years0.000114155251141552511415525114155 yr
1 hour in decades0.0000114155251141552511415525114155 decade