In 1 seconds there are 0.000278 hours. Meanwhile in 1 hours there are 3,600 seconds. Keep reading to learn more about each unit of measure and how they are calculated. Or just use the Hours to Seconds calculator above to convert any number.
* Values rounded to 6 decimal places for readability
To convert seconds to hours, use this rule: 1 hour = 3,600 seconds.
Example:
Divide the number of seconds by 3,600.
Hours = Seconds ÷ 3,600.
Example: 7,200 seconds ÷ 3,600 = 2 hours.
There are 3,600 seconds in 1 hour.
That comes from 60 seconds per minute times 60 minutes per hour (60 × 60 = 3,600).
Use this simple formula:
hours = seconds / 3600
If you need a whole number, you can round to the nearest hour.
Multiply hours by 3,600.
Seconds = Hours × 3,600.
Example: 1.5 hours × 3,600 = 5,400 seconds.
Convert seconds into total minutes first, then split into hours and minutes.
Example: 10,000 seconds
Use division and remainders:
Example: 9,367 seconds
1,000 seconds ÷ 3,600 = 0.2778 hours.
That’s about 0.28 hours, or 16 minutes and 40 seconds.
10,000 seconds ÷ 3,600 = 2.7778 hours.
That’s about 2.78 hours, or 2 hours, 46 minutes, 40 seconds.
86,400 seconds ÷ 3,600 = 24 hours.
That equals 1 day.
Rounding depends on what you need:
If you’re tracking time, hours and minutes often read better than decimal hours.
Decimal hours use a base of 100 for the fraction part (like 1.75 hours).
Hours-minutes use a base of 60 (like 1 hour 45 minutes).
Example:
An hour has 60 minutes, and each minute has 60 seconds.
So 60 × 60 = 3,600 seconds per hour.
Dividing by 3,600 changes seconds into hours.
In most cases, 1 hour always equals 3,600 seconds.
Time zones and daylight saving time can change the length of a day, but an hour stays 60 minutes in standard timekeeping.
Convert seconds to hours using seconds ÷ 3,600.
Many time sheets use decimal hours.
Example: 5,400 seconds
For billing, confirm the rounding rule first. Some jobs round to the nearest 0.1 or 0.25 hour.
These quick conversions help with mental math:
The Calculate Box tool to convert seconds to hours uses the open source script Convert.js to convert units of measurement. To use this tool, simply type a seconds value in the box and have it instantly converted to hours.