How do I convert time to seconds?
Multiply hours by 3600, multiply minutes by 60, and add the seconds.
Date & Time
Convert time to seconds directly in your browser. Turn HH:MM:SS, minutes and seconds, or readable durations into total seconds.
Convert time to seconds directly in your browser. Turn HH:MM:SS, minutes and seconds, or readable durations into total seconds.
This tool runs in your browser. Your input is processed locally and is not uploaded.
Use this free time to seconds converter to convert a time duration into total seconds. Enter values like HH:MM:SS, minutes and seconds, or hours and minutes, and get the total seconds instantly.
Multiply hours by 3600, multiply minutes by 60, and add the seconds.
Yes. The converter can parse common duration formats such as HH:MM:SS, MM:SS, or separate hour, minute, and second values.
Yes. This converter treats the input as a duration, not as a time of day.
It is useful for logs, video processing, timers, exports, scripts, spreadsheets, and duration calculations.