Convert Time to Seconds

Convert formatted time (HH:MM:SS) to seconds.

Input text

Result


Convert Time to Seconds Examples

Click to try!

Multiple Clock Times

In this example, we convert multiple clock times to seconds. Each clock time is listed on a new line and the spacing between input times is preserved in the output.

Partial Clock Times

This example finds how many seconds there are in clock times that are partially written. Some of the clock times contain just the hours and some others contain just hours and minutes.

Time Beyond 24 Hours

In this example, we go beyond the regular 24-hour clock. In fact, we even go beyond 60 minutes and 60 seconds.


All Time Tools

Convert Days to Hours

Convert days to hours

Convert Hours to Days

Convert hours to days

Convert Seconds to Time

Convert seconds to time format

Truncate Clock Time

Truncate clock time to specified precision

Time Between Dates

Calculate time between two dates

Crontab Guru

Generate and understand cron expressions

Check Leap Years

Check if a year is a leap year

Convert Unix to Date

Convert Unix timestamp to date

Convert time to decimal

Convert human time to decimal time